USNs for ubuntu 9.04

USN-1009-1: GNU C Library vulnerabilities

Tavis Ormandy discovered multiple flaws in the GNU C Library’s handling of the LD_AUDIT environment variable when running a privileged binary. A local attacker could exploit this to gain root privileges. (CVE-2010-3847, CVE-2010-3856)

22 October 2010

USN-1008-1: libvirt vulnerabilities

It was discovered that libvirt would probe disk backing stores without consulting the defined format for the disk. A privileged attacker in the guest could exploit this to read arbitrary files on the host. This issue only affected Ubuntu 10.04 LTS. By default, guests are confined by an AppArmor profile which provided partial protection against…

21 October 2010

USN-997-1: Firefox and Xulrunner vulnerabilities

Paul Nickerson, Jesse Ruderman, Olli Pettay, Igor Bukanov, Josh Soref, Gary Kwong, Martijn Wargers, Siddharth Agarwal and Michal Zalewski discovered various flaws in the browser engine. An attacker could exploit this to crash the browser or possibly run arbitrary code as the user invoking the program. (CVE-2010-3175, CVE-2010-3176) Alexander…

20 October 2010

USN-1007-1: NSS vulnerabilities

Richard Moore discovered that NSS would sometimes incorrectly match an SSL certificate which had a Common Name that used a wildcard followed by a partial IP address. While it is very unlikely that a Certificate Authority would issue such a certificate, if an attacker were able to perform a man-in-the-middle attack, this flaw could be exploited to…

20 October 2010

USN-1000-1: Linux kernel vulnerabilities

Dan Rosenberg discovered that the RDS network protocol did not correctly check certain parameters. A local attacker could exploit this gain root privileges. (CVE-2010-3904) Al Viro discovered a race condition in the TTY driver. A local attacker could exploit this to crash the system, leading to a denial of service. (CVE-2009-4895) Dan Rosenberg…

19 October 2010

USN-1005-1: poppler vulnerabilities

It was discovered that poppler contained multiple security issues when parsing malformed PDF documents. If a user or automated system were tricked into opening a crafted PDF file, an attacker could cause a denial of service or execute arbitrary code with privileges of the user invoking the program.

19 October 2010

USN-1003-1: OpenSSL vulnerabilities

It was discovered that OpenSSL incorrectly handled return codes from the bn_wexpand function calls. A remote attacker could trigger this flaw in services that used SSL to cause a denial of service or possibly execute arbitrary code with application privileges. This issue only affected Ubuntu 6.06 LTS, 8.04 LTS, 9.04 and 9.10. (CVE-2009-3245) It…

7 October 2010

USN-1002-1: PostgreSQL vulnerability

It was discovered that PostgreSQL did not properly enforce permissions within sessions when PL/Perl and PL/Tcl functions or operators were redefined. A remote authenticated attacker could exploit this to execute arbitrary code with permissions of a different user, possibly leading to privilege escalation.

7 October 2010

USN-1001-1: LVM2 vulnerability

The cluster logical volume manager daemon (clvmd) in LVM2 did not correctly validate credentials. A local user could use this flaw to manipulate logical volumes without root privileges and cause a denial of service in the cluster.

6 October 2010

USN-995-1: libMikMod vulnerabilities

It was discovered that libMikMod incorrectly handled songs with different channel counts. If a user were tricked into opening a crafted song file, an attacker could cause a denial of service. (CVE-2007-6720) It was discovered that libMikMod incorrectly handled certain malformed XM files. If a user were tricked into opening a crafted XM file, an…

29 September 2010

USN-994-1: libHX vulnerability

It was discovered that libHX incorrectly handled certain parameters to the HX_split function. An attacker could use this flaw to cause a denial of service or possibly execute arbitrary code with the privileges of the user. The default compiler options for affected releases should reduce the vulnerability to a denial of service.

29 September 2010

USN-993-1: libgdiplus vulnerability

Stefan Cornelius discovered that libgdiplus incorrectly handled certain image files. If a user or automated system were tricked into opening a crafted image file, an attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program.

29 September 2010

USN-992-1: Avahi vulnerabilities

It was discovered that Avahi incorrectly handled certain mDNS query packets when the reflector feature is enabled, which is not the default configuration on Ubuntu. A remote attacker could send crafted mDNS queries and perform a denial of service on the server and on the network. This issue only affected Ubuntu 8.04 LTS and 9.04….

29 September 2010

USN-991-1: quassel vulnerability

Jima discovered that quassel would respond to a single privmsg containing multiple CTCP requests with multiple NOTICEs, possibly resulting in a denial of service against the IRC connection.

23 September 2010

USN-990-2: Apache vulnerability

USN-860-1 introduced a partial workaround to Apache that disabled client initiated TLS renegotiation in order to mitigate CVE-2009-3555. USN-990-1 introduced the new RFC5746 renegotiation extension in openssl, and completely resolves the issue. After updating openssl, an Apache server will allow both patched and unpatched web browsers to connect,…

21 September 2010

USN-990-1: OpenSSL vulnerability

Marsh Ray and Steve Dispensa discovered a flaw in the TLS and SSLv3 protocols. If an attacker could perform a man in the middle attack at the start of a TLS connection, the attacker could inject arbitrary content at the beginning of the user’s session. This update adds backported support for the new RFC5746 renegotiation extension and will use it…

21 September 2010

USN-989-1: PHP vulnerabilities

Auke van Slooten discovered that PHP incorrectly handled certain xmlrpc requests. An attacker could exploit this issue to cause the PHP server to crash, resulting in a denial of service. This issue only affected Ubuntu 6.06 LTS, 8.04 LTS, 9.04 and 9.10. (CVE-2010-0397) It was discovered that the pseudorandom number generator in PHP did…

20 September 2010

USN-986-3: dpkg vulnerability

USN-986-1 fixed vulnerabilities in bzip2. dpkg statically links against libbz2 and needed to be rebuilt to use the updated libbz2. Original advisory details: An integer overflow was discovered in bzip2. If a user or automated system were tricked into decompressing a crafted bz2 file, an attacker could cause bzip2 or any application linked…

20 September 2010

USN-986-2: ClamAV vulnerability

USN-986-1 fixed a vulnerability in bzip2. This update provides the corresponding update for ClamAV. Original advisory details: An integer overflow was discovered in bzip2. If a user or automated system were tricked into decompressing a crafted bz2 file, an attacker could cause bzip2 or any application linked against libbz2 to crash or…

20 September 2010

USN-986-1: bzip2 vulnerability

An integer overflow was discovered in bzip2. If a user or automated system were tricked into decompressing a crafted bz2 file, an attacker could cause bzip2 or any application linked against libbz2 to crash or possibly execute code as the user running the program.

20 September 2010

USN-988-1: Linux kernel vulnerabilities

Ben Hawkes discovered that the Linux kernel did not correctly validate memory ranges on 64bit kernels when allocating memory on behalf of 32bit system calls. On a 64bit system, a local attacker could perform malicious multicast getsockopt calls to gain root privileges. (CVE-2010-3081) Ben Hawkes discovered that the Linux kernel did not correctly…

17 September 2010

USN-975-2: Firefox and Xulrunner regression

USN-975-1 fixed vulnerabilities in Firefox and Xulrunner. Some users reported stability problems under certain circumstances. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Several dangling pointer vulnerabilities were discovered in Firefox. An attacker could exploit this to crash the browser or…

16 September 2010

USN-987-1: Samba vulnerability

Andrew Bartlett discovered that Samba did not correctly validate the length when parsing SIDs. A remote attacker could send a specially crafted request to the server and cause a denial of service, or possibly execute arbitrary code with the privileges of the Samba service (smbd). The default compiler options for Ubuntu 8.04 LTS and newer should…

14 September 2010

USN-975-1: Firefox and Xulrunner vulnerabilities

Several dangling pointer vulnerabilities were discovered in Firefox. An attacker could exploit this to crash the browser or possibly run arbitrary code as the user invoking the program. (CVE-2010-2760, CVE-2010-2767, CVE-2010-3167) Blake Kaplan and Michal Zalewski discovered several weaknesses in the XPCSafeJSObjectWrapper (SJOW) security…

8 September 2010

USN-984-1: LFTP vulnerability

It was discovered that LFTP incorrectly filtered filenames suggested by Content-Disposition headers. If a user or automated system were tricked into downloading a file from a malicious site, a remote attacker could create the file with an arbitrary name, such as a dotfile, and possibly run arbitrary code.

7 September 2010

USN-982-1: Wget vulnerability

It was discovered that Wget would use filenames provided by the server when following 3xx redirects. If a user or automated system were tricked into downloading a file from a malicious site, a remote attacker could create the file with an arbitrary name (e.g. .wgetrc), and possibly run arbitrary code.

2 September 2010

USN-981-1: libwww-perl vulnerability

It was discovered that libwww-perl incorrectly filtered filenames suggested by Content-Disposition headers. If a user were tricked into downloading a file from a malicious site, a remote attacker could overwrite hidden files in the user’s directory.

31 August 2010

USN-980-1: bogofilter vulnerability

Julius Plenz discovered that bogofilter incorrectly handled certain malformed encodings. By sending a specially crafted email, a remote attacker could exploit this and cause bogofilter to crash, resulting in a denial of service.

31 August 2010

USN-979-1: okular vulnerability

Stefan Cornelius of Secunia Research discovered a boundary error during RLE decompression in the “TranscribePalmImageToJPEG()” function in generators/plucker/inplug/image.cpp of okular when processing images embedded in PDB files, which can be exploited to cause a heap-based buffer overflow. (CVE-2010-2575)

27 August 2010

USN-977-1: MoinMoin vulnerabilities

It was discovered that MoinMoin did not properly sanitize its input, resulting in cross-site scripting (XSS) vulnerabilities. With cross-site scripting vulnerabilities, if a user were tricked into viewing server output during a crafted server request, a remote attacker could exploit this to modify the contents, or steal confidential data, within…

25 August 2010

USN-976-1: Tomcat vulnerability

It was discovered that Tomcat incorrectly handled invalid Transfer-Encoding headers. A remote attacker could send specially crafted requests containing invalid headers to the server and cause a denial of service, or possibly obtain sensitive information from other requests.

25 August 2010

USN-974-1: Linux kernel vulnerabilities

Gael Delalleu, Rafal Wojtczuk, and Brad Spengler discovered that the memory manager did not properly handle when applications grow stacks into adjacent memory regions. A local attacker could exploit this to gain control of certain applications, potentially leading to privilege escalation, as demonstrated in attacks against the X server….

19 August 2010

USN-973-1: KOffice vulnerabilities

Will Dormann, Alin Rad Pop, Braden Thomas, and Drew Yao discovered that the Xpdf used in KOffice contained multiple security issues in its JBIG2 decoder. If a user or automated system were tricked into opening a crafted PDF file, an attacker could cause a denial of service or execute arbitrary code with privileges of the user invoking the program….

17 August 2010

USN-972-1: FreeType vulnerabilities

It was discovered that FreeType did not correctly handle certain malformed font files. If a user were tricked into using a specially crafted font file, a remote attacker could cause FreeType to crash or possibly execute arbitrary code with user privileges.

17 August 2010

USN-971-1: OpenJDK vulnerabilities

It was discovered that the IcedTea plugin did not correctly check certain accesses. If a user or automated system were tricked into running a specially crafted Java applet, a remote attacker could read arbitrary files with user privileges, leading to a loss of privacy. (CVE-2010-2548, CVE-2010-2783)

16 August 2010

USN-970-1: GnuPG2 vulnerability

It was discovered that GPGSM in GnuPG2 did not correctly handle certificates with a large number of Subject Alternate Names. If a user or automated system were tricked into processing a specially crafted certificate, an attacker could cause a denial of service or execute arbitrary code with privileges of the user invoking the program.

11 August 2010

USN-967-1: w3m vulnerability

Ludwig Nussel discovered w3m does not properly handle SSL/TLS certificates with NULL characters in the certificate name. An attacker could exploit this to perform a man in the middle attack to view sensitive information or alter encrypted communications. (CVE-2010-2074)

9 August 2010

USN-965-1: OpenLDAP vulnerabilities

Using the Codenomicon LDAPv3 test suite, Ilkka Mattila and Tuomas Salomäki discovered that the slap_modrdn2mods function in modrdn.c in OpenLDAP does not check the return value from a call to the smr_normalize function. A remote attacker could use specially crafted modrdn requests to crash the slapd daemon or possibly execute arbitrary code….

9 August 2010

USN-969-1: PCSC-Lite vulnerability

It was discovered that the PC/SC service did not correctly handle malformed messages. A local attacker could exploit this to execute arbitrary code with root privileges.

5 August 2010

USN-966-1: Linux kernel vulnerabilities

Junjiro R. Okajima discovered that knfsd did not correctly handle strict overcommit. A local attacker could exploit this to crash knfsd, leading to a denial of service. (Only Ubuntu 6.06 LTS and 8.04 LTS were affected.) (CVE-2008-7256, CVE-2010-1643) Chris Guo, Jukka Taimisto, and Olli Jarva discovered that SCTP did not correctly handle invalid…

4 August 2010

USN-930-6: Firefox and Xulrunner vulnerability

USN-957-1 fixed vulnerabilities in Firefox and Xulrunner. Daniel Holbert discovered that the fix for CVE-2010-1214 introduced a regression which did not properly initialize a plugin pointer. If a user were tricked into viewing a malicious site, a remote attacker could use this to crash the browser or run arbitrary code as the user invoking the…

26 July 2010

USN-930-4: Firefox and Xulrunner vulnerabilities

USN-930-1 fixed vulnerabilities in Firefox and Xulrunner. This update provides the corresponding updates for Ubuntu 9.04 and 9.10, along with additional updates affecting Firefox 3.6.6. Several flaws were discovered in the browser engine of Firefox. If a user were tricked into viewing a malicious site, a remote attacker could use this to crash…

23 July 2010

USN-930-5: ant, apturl, Epiphany, gluezilla, gnome-python-extras, liferea, mozvoikko, OpenJDK, packagekit, ubufox, webfav, yelp update

USN-930-4 fixed vulnerabilities in Firefox and Xulrunner on Ubuntu 9.04 and 9.10. This update provides updated packages for use with Firefox 3.6 and Xulrunner 1.9.2. Original advisory details: If was discovered that Firefox could be made to access freed memory. If a user were tricked into viewing a malicious site, a remote attacker could …

23 July 2010

USN-927-8: Thunderbird update

USN-927-1 fixed vulnerabilities in NSS. This update provides the Thunderbird update to use the new NSS. Original advisory details: Marsh Ray and Steve Dispensa discovered a flaw in the TLS and SSLv3 protocols. If an attacker could perform a man in the middle attack at the start of a TLS connection, the attacker could inject arbitrary content…

23 July 2010

USN-927-7: nspr update

USN-927-4 fixed vulnerabilities in NSS. This update provides the NSPR needed to use the new NSS. Original advisory details: Marsh Ray and Steve Dispensa discovered a flaw in the TLS and SSLv3 protocols. If an attacker could perform a man in the middle attack at the start of a TLS connection, the attacker could inject arbitrary content at the…

23 July 2010

USN-927-6: NSS vulnerability

USN-927-1 fixed vulnerabilities in NSS on Ubuntu 9.10. This update provides the corresponding updates for Ubuntu 9.04. Original advisory details: Marsh Ray and Steve Dispensa discovered a flaw in the TLS and SSLv3 protocols. If an attacker could perform a man in the middle attack at the start of a TLS connection, the attacker could inject…

23 July 2010

USN-963-1: FreeType vulnerabilities

Robert Święcki discovered that FreeType did not correctly handle certain malformed font files. If a user were tricked into using a specially crafted font file, a remote attacker could execute arbitrary code with user privileges.

20 July 2010

USN-962-1: VTE vulnerability

Janne Snabb discovered that applications using VTE, such as gnome-terminal, did not correctly filter window and icon title request escape codes. If a user were tricked into viewing specially crafted output in their terminal, a remote attacker could execute arbitrary commands with user privileges.

15 July 2010

USN-961-1: Ghostscript vulnerabilities

David Srbecky discovered that Ghostscript incorrectly handled debug logging. If a user or automated system were tricked into opening a crafted PDF file, an attacker could cause a denial of service or execute arbitrary code with privileges of the user invoking the program. This issue only affected Ubuntu 9.04 and Ubuntu 9.10. The default compiler…

13 July 2010

USN-960-1: libpng vulnerabilities

It was discovered that libpng did not properly handle certain malformed PNG images. If a user or automated system were tricked into opening a crafted PNG file, an attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2010-1205) It was discovered that libpng did not…

8 July 2010

USN-956-1: sudo vulnerability

Evan Broder and Anders Kaseorg discovered that sudo did not properly sanitize its environment when configured to use secure_path (the default in Ubuntu). A local attacker could exploit this to execute arbitrary code as root if sudo was configured to allow the attacker to use a program that interpreted the PATH environment variable.

30 June 2010

USN-952-1: CUPS vulnerabilities

Adrian Pastor and Tim Starling discovered that the CUPS web interface incorrectly protected against cross-site request forgery (CSRF) attacks. If an authenticated user were tricked into visiting a malicious website while logged into CUPS, a remote attacker could modify the CUPS configuration and possibly steal confidential data….

21 June 2010

USN-955-2: libpam-opie vulnerability

USN-955-1 fixed vulnerabilities in OPIE. This update provides rebuilt libpam-opie packages against the updated libopie library. Original advisory details: Maksymilian Arciemowicz and Adam Zabrocki discovered that OPIE incorrectly handled long usernames. A remote attacker could exploit this with a crafted username and make applications linked…

21 June 2010

USN-954-1: tiff vulnerabilities

Kevin Finisterre discovered that the TIFF library did not correctly handle certain image structures. If a user or automated system were tricked into opening a specially crafted TIFF image, a remote attacker could execute arbitrary code with user privileges, or crash the application, leading to a denial of service. (CVE-2010-1411) Dan Rosenberg…

21 June 2010

USN-955-1: OPIE vulnerability

Maksymilian Arciemowicz and Adam Zabrocki discovered that OPIE incorrectly handled long usernames. A remote attacker could exploit this with a crafted username and make applications linked against libopie crash, leading to a denial of service.

21 June 2010

USN-953-1: fastjar vulnerability

Dan Rosenberg discovered that fastjar incorrectly handled file paths containing “..” when unpacking archives. If a user or an automated system were tricked into unpacking a specially crafted jar file, arbitrary files could be overwritten with user privileges.

21 June 2010

USN-951-1: Samba vulnerability

Jun Mao discovered that Samba did not correctly validate SMB1 packet contents. An unauthenticated remote attacker could send specially crafted network traffic that could execute arbitrary code as the root user.

16 June 2010

USN-950-1: MySQL vulnerabilities

It was discovered that MySQL did not check privileges before uninstalling plugins. An authenticated user could uninstall arbitrary plugins, bypassing intended restrictions. This issue only affected Ubuntu 9.10 and 10.04 LTS. (CVE-2010-1621) It was discovered that MySQL could be made to delete another user’s data and index files. An authenticated…

9 June 2010

USN-949-1: OpenOffice.org vulnerability

Marc Schoenefeld discovered that OpenOffice.org would run document macros from the macro browser, even when macros were disabled. If a user were tricked into opening a specially crafted document and examining a macro, a remote attacker could execute arbitrary code with user privileges.

8 June 2010

USN-947-1: Linux kernel vulnerabilities

It was discovered that the Linux kernel did not correctly handle memory protection of the Virtual Dynamic Shared Object page when running a 32-bit application on a 64-bit kernel. A local attacker could exploit this to cause a denial of service. (Only affected Ubuntu 6.06 LTS.) (CVE-2009-4271) It was discovered that the r8169 network driver did…

3 June 2010

USN-945-1: ClamAV vulnerabilities

It was discovered that ClamAV did not properly reallocate memory when processing certain PDF files. A remote attacker could send a specially crafted PDF and crash ClamAV. (CVE-2010-1639) An out of bounds memory access flaw was discovered in ClamAV. A remote attacker could send a specially crafted Portable Executable (PE) file and crash ClamAV….

27 May 2010

USN-944-1: GNU C Library vulnerabilities

Maksymilian Arciemowicz discovered that the GNU C library did not correctly handle integer overflows in the strfmon function. If a user or automated system were tricked into processing a specially crafted format string, a remote attacker could crash applications, leading to a denial of service. (Ubuntu 10.04 was not affected.)…

25 May 2010

USN-942-1: PostgreSQL vulnerabilities

It was discovered that the Safe.pm module as used by PostgreSQL did not properly restrict PL/perl procedures. If PostgreSQL was configured to use Perl stored procedures, a remote authenticated attacker could exploit this to execute arbitrary Perl code. (CVE-2010-1169) It was discovered that PostgreSQL did not properly check permissions…

21 May 2010

USN-941-1: MoinMoin vulnerability

It was discovered that MoinMoin incorrectly handled hierarchical access control lists. Users could bypass intended access controls under certain circumstances.

20 May 2010

USN-940-1: Kerberos vulnerabilities

It was discovered that Kerberos did not correctly free memory in the GSSAPI and kdb libraries. If a remote attacker were able to manipulate an application using these libraries carefully, the service could crash, leading to a denial of service. (Only Ubuntu 6.06 LTS was affected.) (CVE-2007-5902, CVE-2007-5971, CVE-2007-5972) Joel Johnson, Brian…

19 May 2010

USN-939-1: X.org vulnerabilities

Loïc Minier discovered that xvfb-run did not correctly keep the X.org session cookie private. A local attacker could gain access to any local sessions started by xvfb-run. Ubuntu 9.10 was not affected. (CVE-2009-1573) It was discovered that the X.org server did not correctly handle certain calculations. A remote attacker could exploit this…

18 May 2010

USN-938-1: KDENetwork vulnerabilities

It was discovered that KGet did not properly perform input validation when processing metalink files. If a user were tricked into opening a crafted metalink file, a remote attacker could overwrite files via directory traversal, which could eventually lead to arbitrary code execution. (CVE-2010-1000) It was discovered that KGet would not always…

13 May 2010

USN-937-1: TeX Live vulnerabilities

It was discovered that TeX Live incorrectly handled certain long .bib bibliography files. If a user or automated system were tricked into processing a specially crafted bib file, an attacker could cause a denial of service via application crash. This issue only affected Ubuntu 8.04 LTS, 9.04 and 9.10. (CVE-2009-1284) Marc Schoenefeld, Karel Šrot…

6 May 2010

USN-936-1: dvipng vulnerability

Dan Rosenberg discovered that dvipng incorrectly handled certain malformed dvi files. If a user or automated system were tricked into processing a specially crafted dvi file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program.

6 May 2010

USN-934-1: Netpbm vulnerability

Marc Schoenefeld discovered a buffer overflow in Netpbm when loading certain images. If a user or automated system were tricked into opening a specially crafted XPM image, a remote attacker could crash Netpbm. The default compiler options for affected releases should reduce the vulnerability to a denial of service.

29 April 2010

USN-933-1: PostgreSQL vulnerability

It was discovered that PostgreSQL did not properly sanitize its input when using substring() with a SELECT statement. A remote authenticated attacker could exploit this to cause a denial of service via application crash.

28 April 2010

USN-931-2: FFmpeg regression

USN-931-1 fixed vulnerabilities in FFmpeg. The update introduced a regression when trying to play certain multimedia files. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that FFmpeg contained multiple security issues when handling certain multimedia files. If a user were…

26 April 2010

USN-929-2: irssi regression

USN-929-1 fixed vulnerabilities in irssi. The upstream changes introduced a regression when using irssi with SSL and an IRC proxy. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that irssi did not perform certificate host validation when using SSL connections. An attacker could…

20 April 2010

USN-932-1: KDM vulnerability

Sebastian Krahmer discovered a race condition in the KDE Display Manager (KDM). A local attacker could exploit this to change the permissions on arbitrary files, thus allowing privilege escalation.

19 April 2010

USN-931-1: FFmpeg vulnerabilities

It was discovered that FFmpeg contained multiple security issues when handling certain multimedia files. If a user were tricked into opening a crafted multimedia file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program.

19 April 2010

USN-929-1: irssi vulnerabilities

It was discovered that irssi did not perform certificate host validation when using SSL connections. An attacker could exploit this to perform a man in the middle attack to view sensitive information or alter encrypted communications. (CVE-2010-1155) Aurelien Delaitre discovered that irssi could be made to dereference a NULL pointer when a user…

15 April 2010

USN-890-6: CMake vulnerabilities

USN-890-1 fixed vulnerabilities in Expat. This update provides the corresponding updates for CMake. Original advisory details: Jukka Taimisto, Tero Rontti and Rauli Kaksonen discovered that Expat did not properly process malformed XML. If a user or application linked against Expat were tricked into opening a crafted XML file, an attacker…

15 April 2010

USN-928-1: Sudo vulnerability

Valerio Costamagna discovered that sudo did not properly validate the path for the ‘sudoedit’ pseudo-command when the PATH contained only a dot (‘.’). If secure_path and ignore_dot were disabled, a local attacker could exploit this to execute arbitrary code as root if sudo was configured to allow the attacker to use sudoedit. By default,…

15 April 2010

USN-920-1: Firefox 3.0 and Xulrunner vulnerabilities

Martijn Wargers, Josh Soref, Jesse Ruderman, and Ehsan Akhgari discovered flaws in the browser engine of Firefox. If a user were tricked into viewing a malicious website, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2010-0174) It was discovered that…

9 April 2010

USN-926-1: ClamAV vulnerabilities

It was discovered that ClamAV did not properly verify its input when processing CAB files. A remote attacker could send a specially crafted CAB file to evade malware detection. (CVE-2010-0098) It was discovered that ClamAV did not properly verify its input when processing CAB files. A remote attacker could send a specially crafted CAB file and…

8 April 2010

USN-925-1: MoinMoin vulnerabilities

It was discovered that MoinMoin did not properly sanitize its input when processing Despam actions, resulting in cross-site scripting (XSS) vulnerabilities. If a privileged wiki user were tricked into performing the Despam action on a page with a crafted title, a remote attacker could exploit this to execute JavaScript code. (CVE-2010-0828) It…

8 April 2010

USN-924-1: Kerberos vulnerabilities

Sol Jerome discovered that the Kerberos kadmind service did not correctly free memory. An unauthenticated remote attacker could send specially crafted traffic to crash the kadmind process, leading to a denial of service. (CVE-2010-0629) It was discovered that Kerberos did not correctly free memory in the GSSAPI library. If a remote attacker…

7 April 2010

USN-923-1: OpenJDK vulnerabilities

Marsh Ray and Steve Dispensa discovered a flaw in the TLS and SSLv3 protocols. If an attacker could perform a man in the middle attack at the start of a TLS connection, the attacker could inject arbitrary content at the beginning of the user’s session. (CVE-2009-3555) It was discovered that Loader-constraint table,…

7 April 2010

USN-922-1: libnss-db vulnerability

Stephane Chazelas discovered that libnss-db did not correctly set up a database environment. A local attacker could exploit this to read the first line of arbitrary files, leading to a loss of privacy and possibly privilege escalation.

31 March 2010

USN-919-1: Emacs vulnerability

Dan Rosenberg discovered that the email helper in Emacs did not correctly check file permissions. A local attacker could perform a symlink race to read or append to another user’s mailbox if it was stored under a group-writable group-“mail” directory.

29 March 2010

USN-918-1: Samba vulnerability

It was discovered the Samba handled symlinks in an unexpected way when both “wide links” and “UNIX extensions” were enabled, which is the default. A remote attacker could create symlinks and access arbitrary files from the server.

24 March 2010

USN-915-1: Thunderbird vulnerabilities

Several flaws were discovered in the JavaScript engine of Thunderbird. If a user had JavaScript enabled and were tricked into viewing malicious web content, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-0689, CVE-2009-2463, CVE-2009-3075) Josh…

18 March 2010

USN-914-1: Linux kernel vulnerabilities

Mathias Krause discovered that the Linux kernel did not correctly handle missing ELF interpreters. A local attacker could exploit this to cause the system to crash, leading to a denial of service. (CVE-2010-0307) Marcelo Tosatti discovered that the Linux kernel’s hardware virtualization did not correctly handle reading the /dev/port special…

17 March 2010

USN-913-1: libpng vulnerabilities

It was discovered that libpng did not properly initialize memory when decoding certain 1-bit interlaced images. If a user or automated system were tricked into processing crafted PNG images, an attacker could possibly use this flaw to read sensitive information stored in memory. This issue only affected Ubuntu 6.06 LTS, 8.04 LTS, 8.10 and 9.04….

16 March 2010

USN-912-1: Audio File Library vulnerability

It was discovered that Audio File Library contained a heap-based buffer overflow. If a user or automated system processed a crafted WAV file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program. The default compiler options for Ubuntu should…

16 March 2010

USN-911-1: MoinMoin vulnerabilities

It was discovered that several wiki actions and preference settings in MoinMoin were not protected from cross-site request forgery (CSRF). If an authenticated user were tricked into visiting a malicious website while logged into MoinMoin, a remote attacker could change the user’s configuration or wiki content. (CVE-2010-0668, CVE-2010-0717) It…

11 March 2010

USN-909-1: dpkg vulnerability

William Grant discovered that dpkg-source did not safely apply diffs when unpacking source packages. If a user or an automated system were tricked into unpacking a specially crafted source package, a remote attacker could modify files outside the target unpack directory, leading to a denial of service or potentially gaining access to the system.

11 March 2010

USN-908-1: Apache vulnerabilities

It was discovered that mod_proxy_ajp did not properly handle errors when a client doesn’t send a request body. A remote attacker could exploit this with a crafted request and cause a denial of service. This issue affected Ubuntu 8.04 LTS, 8.10, 9.04 and 9.10. (CVE-2010-0408) It was discovered that Apache did not properly handle headers…

10 March 2010

USN-907-1: gnome-screensaver vulnerabilities

It was discovered that gnome-screensaver did not correctly lock all screens when monitors get hotplugged. An attacker with physical access could use this flaw to gain access to a locked session. (CVE-2010-0285) It was discovered that gnome-screensaver did not correctly handle keyboard grab when monitors get hotplugged. An attacker with physical…

8 March 2010

USN-906-1: CUPS vulnerabilities

It was discovered that the CUPS scheduler did not properly handle certain network operations. A remote attacker could exploit this flaw and cause the CUPS server to crash, resulting in a denial of service. This issue only affected Ubuntu 8.04 LTS, 8.10, 9.04 and 9.10. (CVE-2009-3553, CVE-2010-0302) Ronald Volgers discovered that the CUPS lppasswd…

3 March 2010

USN-905-1: sudo vulnerabilities

It was discovered that sudo did not properly validate the path for the ‘sudoedit’ pseudo-command. A local attacker could exploit this to execute arbitrary code as root if sudo was configured to allow the attacker to use sudoedit. The sudoedit pseudo-command is not used in the default installation of Ubuntu. (CVE-2010-0426) It was discovered that…

26 February 2010

USN-904-1: Squid vulnerability

It was discovered that Squid incorrectly handled certain malformed packets received on the HTCP port. A remote attacker could exploit this with a specially-crafted packet and cause Squid to crash, resulting in a denial of service.

24 February 2010

USN-903-1: OpenOffice.org vulnerabilities

It was discovered that the XML HMAC signature system did not correctly check certain lengths. If an attacker sent a truncated HMAC, it could bypass authentication, leading to potential privilege escalation. (CVE-2009-0217) Sebastian Apelt and Frank Reißner discovered that OpenOffice did not correctly import XPM and GIF images. If a user were…

24 February 2010

USN-902-1: Pidgin vulnerabilities

Fabian Yamaguchi discovered that Pidgin incorrectly validated all fields of an incoming message in the MSN protocol handler. A remote attacker could send a specially crafted message and cause Pidgin to crash, leading to a denial of service. (CVE-2010-0277) Sadrul Habib Chowdhury discovered that Pidgin incorrectly handled certain nicknames in…

22 February 2010

USN-895-1: Firefox 3.0 and Xulrunner 1.9 vulnerabilities

Several flaws were discovered in the browser engine of Firefox. If a user were tricked into viewing a malicious website, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2010-0159) Orlando Barrera II discovered a flaw in the Web Workers implementation…

17 February 2010

USN-901-1: Squid vulnerabilities

It was discovered that Squid incorrectly handled certain auth headers. A remote attacker could exploit this with a specially-crafted auth header and cause Squid to go into an infinite loop, resulting in a denial of service. This issue only affected Ubuntu 8.10, 9.04 and 9.10. (CVE-2009-2855) It was discovered that Squid incorrectly handled…

16 February 2010

USN-900-1: Ruby vulnerabilities

Emmanouel Kellinis discovered that Ruby did not properly handle certain string operations. An attacker could exploit this issue and possibly execute arbitrary code with application privileges. (CVE-2009-4124) Giovanni Pellerano, Alessandro Tanasi, and Francesco Ongaro discovered that Ruby did not properly sanitize data written to log files. An…

16 February 2010

USN-899-1: Tomcat vulnerabilities

It was discovered that Tomcat did not correctly validate WAR filenames or paths when deploying. A remote attacker could send a specially crafted WAR file to be deployed and cause arbitrary files and directories to be created, overwritten, or deleted.

11 February 2010

USN-897-1: MySQL vulnerabilities

It was discovered that MySQL could be made to overwrite existing table files in the data directory. An authenticated user could use the DATA DIRECTORY and INDEX DIRECTORY options to possibly bypass privilege checks. This update alters table creation behaviour by disallowing the use of the MySQL data directory in DATA DIRECTORY and INDEX DIRECTORY…

10 February 2010

USN-894-1: Linux kernel vulnerabilities

Amerigo Wang and Eric Sesterhenn discovered that the HFS and ext4 filesystems did not correctly check certain disk structures. If a user were tricked into mounting a specially crafted filesystem, a remote attacker could crash the system or gain root privileges. (CVE-2009-4020, CVE-2009-4308) It was discovered that FUSE did not correctly check…

5 February 2010

USN-892-1: FUSE vulnerability

Dan Rosenberg discovered that FUSE did not correctly check mount locations. A local attacker, with access to use FUSE, could unmount arbitrary locations, leading to a denial of service.

28 January 2010

USN-893-1: Samba vulnerability

Ronald Volgers discovered that the mount.cifs utility, when installed as a setuid program, suffered from a race condition when verifying user permissions. A local attacker could trick samba into mounting over arbitrary locations, leading to a root privilege escalation.

28 January 2010

USN-891-1: lintian vulnerabilities

Raphael Geissert discovered that lintian did not correctly validate certain filenames when processing input. If a user or an automated system were tricked into running lintian on a specially crafted set of files, a remote attacker could execute arbitrary code with user privileges.

28 January 2010

USN-803-2: Dhcp vulnerability

USN-803-1 fixed a vulnerability in Dhcp. Due to an error, the patch to fix the vulnerability was not properly applied on Ubuntu 8.10 and higher. Even with the patch improperly applied, the default compiler options reduced the vulnerability to a denial of service. Additionally, in Ubuntu 9.04 and higher, users were also protected by the AppArmor…

27 January 2010

USN-890-3: Python 2.4 vulnerabilities

USN-890-1 fixed vulnerabilities in Expat. This update provides the corresponding updates for the PyExpat module in Python 2.4. Original advisory details: Jukka Taimisto, Tero Rontti and Rauli Kaksonen discovered that Expat did not properly process malformed XML. If a user or application linked against Expat were tricked into opening a crafted…

22 January 2010

USN-890-2: Python 2.5 vulnerabilities

USN-890-1 fixed vulnerabilities in Expat. This update provides the corresponding updates for the PyExpat module in Python 2.5. Original advisory details: Jukka Taimisto, Tero Rontti and Rauli Kaksonen discovered that Expat did not properly process malformed XML. If a user or application linked against Expat were tricked into opening a crafted…

21 January 2010

USN-890-1: Expat vulnerabilities

Jukka Taimisto, Tero Rontti and Rauli Kaksonen discovered that Expat did not properly process malformed XML. If a user or application linked against Expat were tricked into opening a crafted XML file, an attacker could cause a denial of service via application crash. (CVE-2009-2625, CVE-2009-3720) It was discovered that Expat did not properly…

20 January 2010

USN-889-1: gzip vulnerabilities

It was discovered that gzip incorrectly handled certain malformed compressed files. If a user or automated system were tricked into opening a specially crafted gzip file, an attacker could cause gzip to crash or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-2624) Aki Helin discovered that gzip…

20 January 2010

USN-888-1: Bind vulnerabilities

It was discovered that Bind would incorrectly cache bogus NXDOMAIN responses. When DNSSEC validation is in use, a remote attacker could exploit this to cause a denial of service, and possibly poison DNS caches. (CVE-2010-0097) USN-865-1 provided updated Bind packages to fix a security vulnerability. The upstream security patch to fix…

20 January 2010

USN-885-1: Transmission vulnerabilities

It was discovered that the Transmission web interface was vulnerable to cross-site request forgery (CSRF) attacks. If a user were tricked into opening a specially crafted web page in a browser while Transmission was running, an attacker could trigger commands in Transmission. This issue affected Ubuntu 9.04. (CVE-2009-1757) Dan Rosenberg…

18 January 2010

USN-887-1: LibThai vulnerability

Tim Starling discovered that LibThai did not correctly handle long strings. A remote attacker could use specially-formed strings to execute arbitrary code with the user’s privileges.

18 January 2010

USN-886-1: Pidgin vulnerabilities

It was discovered that Pidgin did not properly handle certain topic messages in the IRC protocol handler. If a user were tricked into connecting to a malicious IRC server, an attacker could cause Pidgin to crash, leading to a denial of service. This issue only affected Ubuntu 8.04 LTS, Ubuntu 8.10 and Ubuntu 9.04. (CVE-2009-2703) It was…

18 January 2010

USN-884-1: OpenSSL vulnerability

It was discovered that OpenSSL did not correctly free unused memory in certain situations. A remote attacker could trigger this flaw in services that used SSL, causing the service to use all available system memory, leading to a denial of service.

14 January 2010

USN-883-1: network-manager-applet vulnerabilities

It was discovered that NetworkManager did not ensure that the Certification Authority (CA) certificate file remained present when using WPA Enterprise or 802.1x networks. A remote attacker could use this flaw to spoof the identity of a wireless network and view sensitive information. (CVE-2009-4144) It was discovered that the connection editor…

13 January 2010

USN-882-1: PHP vulnerabilities

Maksymilian Arciemowicz discovered that PHP did not properly handle the ini_restore function. An attacker could exploit this issue to obtain random memory contents or to cause the PHP server to crash, resulting in a denial of service. (CVE-2009-2626) It was discovered that the htmlspecialchars function did not properly handle certain character…

13 January 2010

USN-881-1: Kerberos vulnerability

It was discovered that Kerberos did not correctly handle invalid AES blocks. An unauthenticated remote attacker could send specially crafted traffic that would crash the KDC service, leading to a denial of service, or possibly execute arbitrary code with root privileges.

12 January 2010

USN-877-1: Firefox 3.0 and Xulrunner 1.9 regression

USN-873-1 fixed vulnerabilities in Firefox and Xulrunner. The upstream changes introduced a regression when using NTLM authentication. This update fixes the problem and adds additional stability fixes. We apologize for the inconvenience. Original advisory details: Jesse Ruderman, Josh Soref, Martijn Wargers, Jose Angel, Olli Pettay, and David…

8 January 2010

USN-880-1: GIMP vulnerabilities

Stefan Cornelius discovered that GIMP did not correctly handle certain malformed BMP files. If a user were tricked into opening a specially crafted BMP file, an attacker could execute arbitrary code with the user’s privileges. (CVE-2009-1570) Stefan Cornelius discovered that GIMP did not correctly handle certain malformed PSD files. If a user…

7 January 2010

USN-876-1: PostgreSQL vulnerabilities

It was discovered that PostgreSQL did not properly handle certificates with NULL characters in the Common Name field of X.509 certificates. An attacker could exploit this to perform a man in the middle attack to view sensitive information or alter encrypted communications. (CVE-2009-4034) It was discovered that PostgreSQL did not properly manage…

3 January 2010

USN-873-1: Firefox 3.0 and Xulrunner 1.9 vulnerabilities

Jesse Ruderman, Josh Soref, Martijn Wargers, Jose Angel, Olli Pettay, and David James discovered several flaws in the browser and JavaScript engines of Firefox. If a user were tricked into viewing a malicious website, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the…

18 December 2009

USN-872-1: KDE 4 Runtime vulnerabilities

It was discovered that the KIO subsystem of KDE did not properly perform input validation when processing help:// URIs. If a user or KIO application processed a crafted help:// URI, an attacker could trigger JavaScript execution or access files via directory traversal.

11 December 2009

USN-871-2: KDE 4 vulnerabilities

USN-871-1 fixed vulnerabilities in KDE. This update provides the corresponding updates for KDE 4. This update also fixes a directory traversal flaw in KDE when processing help:// URLs. This issue only affected Ubuntu 8.10. Original advisory details: It was discovered that the KDE libraries could use KHTML to process an unknown MIME type. If a…

11 December 2009

USN-871-1: KDE vulnerabilities

A buffer overflow was found in the KDE libraries when converting a string to a floating point number. If a user or application linked against kdelibs were tricked into processing crafted input, an attacker could cause a denial of service (via application crash) or possibly execute arbitrary code with the privileges of the user invoking the…

11 December 2009

USN-867-1: Ntp vulnerability

Robin Park and Dmitri Vinokurov discovered a logic error in ntpd. A remote attacker could send a crafted NTP mode 7 packet with a spoofed IP address of an affected server and cause a denial of service via CPU and disk resource consumption.

8 December 2009

USN-865-1: Bind vulnerability

Michael Sinatra discovered that Bind did not correctly validate certain records added to its cache. When DNSSEC validation is in use, a remote attacker could exploit this to spoof DNS entries and poison DNS caches. Among other things, this could lead to misdirected email and web traffic.

7 December 2009

USN-864-1: Linux kernel vulnerabilities

It was discovered that the AX.25 network subsystem did not correctly check integer signedness in certain setsockopt calls. A local attacker could exploit this to crash the system, leading to a denial of service. Ubuntu 9.10 was not affected. (CVE-2009-2909) Jan Beulich discovered that the kernel could leak register contents to 32-bit processes…

5 December 2009

USN-862-1: PHP vulnerabilities

Maksymilian Arciemowicz discovered that PHP did not properly validate arguments to the dba_replace function. If a script passed untrusted input to the dba_replace function, an attacker could truncate the database. This issue only applied to Ubuntu 6.06 LTS, 8.04 LTS, and 8.10. (CVE-2008-7068) It was discovered that PHP’s…

26 November 2009

USN-861-1: libvorbis vulnerabilities

It was discovered that libvorbis did not correctly handle ogg files with underpopulated Huffman trees. If a user were tricked into opening a specially crafted ogg file with an application that uses libvorbis, an attacker could cause a denial of service. (CVE-2008-2009) It was discovered that libvorbis did not correctly handle certain…

24 November 2009

USN-860-1: Apache vulnerabilities

Marsh Ray and Steve Dispensa discovered a flaw in the TLS and SSLv3 protocols. If an attacker could perform a man in the middle attack at the start of a TLS connection, the attacker could inject arbitrary content at the beginning of the user’s session. The flaw is with TLS renegotiation and potentially affects any software that supports this…

19 November 2009

USN-859-1: OpenJDK vulnerabilities

Dan Kaminsky discovered that SSL certificates signed with MD2 could be spoofed given enough time. As a result, an attacker could potentially create a malicious trusted certificate to impersonate another site. This update handles this issue by completely disabling MD2 for certificate validation in OpenJDK. (CVE-2009-2409) It was discovered that…

12 November 2009

USN-857-1: Qt vulnerabilities

It was discovered that QtWebKit did not properly handle certain SVGPathList data structures. If a user were tricked into viewing a malicious website, an attacker could exploit this to execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-0945) Several flaws were discovered in the QtWebKit browser and…

10 November 2009

USN-856-1: CUPS vulnerability

Aaron Sigel discovered that the CUPS web interface incorrectly protected against cross-site scripting (XSS) and cross-site request forgery (CSRF) attacks. If an authenticated user were tricked into visiting a malicious website while logged into CUPS, a remote attacker could modify the CUPS configuration and possibly steal confidential data.

10 November 2009

USN-855-1: libhtml-parser-perl vulnerability

Mark Martinec discovered that HTML::Parser incorrectly handled strings with incomplete entities. An attacker could send specially crafted input to applications that use HTML::Parser and cause a denial of service.

5 November 2009

USN-854-1: GD library vulnerabilities

Tomas Hoger discovered that the GD library did not properly handle the number of colors in certain malformed GD images. If a user or automated system were tricked into processing a specially crafted GD image, an attacker could cause a denial of service or possibly execute arbitrary code. (CVE-2009-3546) It was discovered that the GD library did…

5 November 2009

USN-853-1: Firefox and Xulrunner vulnerabilities

Alin Rad Pop discovered a heap-based buffer overflow in Firefox when it converted strings to floating point numbers. If a user were tricked into viewing a malicious website, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-1563) Jeremy Brown…

31 October 2009

USN-850-2: poppler regression

USN-850-1 fixed vulnerabilities in poppler. The security fix for CVE-2009-3605 introduced a regression that would cause certain applications, such as Okular, to segfault when opening certain PDF files. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that poppler contained multiple…

22 October 2009

USN-852-1: Linux kernel vulnerabilities

Solar Designer discovered that the z90crypt driver did not correctly check capabilities. A local attacker could exploit this to shut down the device, leading to a denial of service. Only affected Ubuntu 6.06. (CVE-2009-1883) Michael Buesch discovered that the SGI GRU driver did not correctly check the length when setting options. A local…

22 October 2009

USN-850-1: poppler vulnerabilities

It was discovered that poppler contained multiple security issues when parsing malformed PDF documents. If a user or automated system were tricked into opening a crafted PDF file, an attacker could cause a denial of service or execute arbitrary code with privileges of the user invoking the program.

21 October 2009

USN-849-1: libsndfile vulnerabilities

Tobias Klein discovered a heap-based buffer overflow in libsndfile. If a user or automated system processed a crafted VOC file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-1788) Erik de Castro Lopo discovered a similar…

15 October 2009

USN-848-1: Zope vulnerabilities

It was discovered that the Zope Object Database (ZODB) database server (ZEO) improperly filtered certain commands when a database is shared among multiple applications or application instances. A remote attacker could send malicious commands to the server and execute arbitrary code. (CVE-2009-0668) It was discovered that the Zope Object Database…

14 October 2009

USN-847-1: Devscripts vulnerability

Raphael Geissert discovered that uscan, a part of devscripts, did not properly sanitize its input when processing pathnames. If uscan processed a crafted filename for a file on a remote server, an attacker could execute arbitrary code with the privileges of the user invoking the program.

8 October 2009

USN-846-1: ICU vulnerability

It was discovered that ICU did not properly handle invalid byte sequences during Unicode conversion. If an application using ICU processed crafted data, content security mechanisms could be bypassed, potentially leading to cross-site scripting (XSS) attacks.

8 October 2009

USN-844-1: mimeTeX vulnerabilities

Chris Evans discovered that mimeTeX incorrectly handled certain long tags. An attacker could exploit this with a crafted mimeTeX expression and cause a denial of service or possibly execute arbitrary code. (CVE-2009-1382) Chris Evans discovered that mimeTeX contained certain directives that may be unsuitable for handling untrusted user input….

8 October 2009

USN-842-1: Wget vulnerability

It was discovered that Wget did not correctly handle SSL certificates with zero bytes in the Common Name. A remote attacker could exploit this to perform a man in the middle attack to view sensitive information or alter encrypted communications.

6 October 2009

USN-843-1: BackupPC vulnerability

It was discovered that BackupPC did not restrict normal users from setting the ClientNameAlias parameter. An authenticated user could exploit this to gain access to unauthorized hosts. This update fixed the issue by preventing normal users from modifying the ClientNameAlias configuration parameter.

6 October 2009

USN-841-1: GLib vulnerability

Arand Nash discovered that applications linked to GLib (e.g. Nautilus) did not correctly copy symlinks. If a user copied symlinks with GLib, the symlink target files would become world-writable, allowing local attackers to gain access to potentially sensitive information.

5 October 2009

USN-840-1: OpenOffice.org vulnerabilities

Dyon Balding discovered flaws in the way OpenOffice.org handled tables. If a user were tricked into opening a specially crafted Word document, a remote attacker might be able to execute arbitrary code with user privileges. (CVE-2009-0200, CVE-2009-0201) A memory overflow flaw was discovered in OpenOffice.org’s handling of EMF files. If a user…

1 October 2009

USN-839-1: Samba vulnerabilities

J. David Hester discovered that Samba incorrectly handled users that lack home directories when the automated [homes] share is enabled. An authenticated user could connect to that share name and gain access to the whole filesystem. (CVE-2009-2813) Tim Prouty discovered that the smbd daemon in Samba incorrectly handled certain unexpected network…

1 October 2009

USN-838-1: Dovecot vulnerabilities

It was discovered that the ACL plugin in Dovecot would incorrectly handle negative access rights. An attacker could exploit this flaw to access the Dovecot server, bypassing the intended access restrictions. This only affected Ubuntu 8.04 LTS. (CVE-2008-4577) It was discovered that the ManageSieve service in Dovecot incorrectly handled “..” in…

28 September 2009

USN-837-1: Newt vulnerability

Miroslav Lichvar discovered that Newt incorrectly handled rendering in a text box. An attacker could exploit this and cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program.

24 September 2009

USN-836-1: WebKit vulnerabilities

It was discovered that WebKit did not properly handle certain SVGPathList data structures. If a user were tricked into viewing a malicious website, an attacker could exploit this to execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-0945) Several flaws were discovered in the WebKit browser and JavaScript…

23 September 2009

USN-835-1: neon vulnerabilities

Joe Orton discovered that neon did not correctly handle SSL certificates with zero bytes in the Common Name. A remote attacker could exploit this to perform a man in the middle attack to view sensitive information or alter encrypted communications.

21 September 2009

USN-834-1: PostgreSQL vulnerabilities

It was discovered that PostgreSQL could be made to unload and reload an already loaded module by using the LOAD command. A remote authenticated attacker could exploit this to cause a denial of service. This issue did not affect Ubuntu 6.06 LTS. (CVE-2009-3229) Due to an incomplete fix for CVE-2007-6600, RESET ROLE and RESET SESSION AUTHORIZATION…

21 September 2009

USN-833-1: KDE-Libs vulnerability

It was discovered that KDE did not properly handle certificates with NULL characters in the Subject Alternative Name field of X.509 certificates. An attacker could exploit this to perform a man in the middle attack to view sensitive information or alter encrypted communications.

17 September 2009

USN-831-1: OpenEXR vulnerabilities

Drew Yao discovered several flaws in the way OpenEXR handled certain malformed EXR image files. If a user were tricked into opening a crafted EXR image file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-1720, CVE-2009-1721) It…

14 September 2009

USN-830-1: OpenSSL vulnerability

Dan Kaminsky discovered OpenSSL would still accept certificates with MD2 hash signatures. As a result, an attacker could potentially create a malicious trusted certificate to impersonate another site. This update handles this issue by completely disabling MD2 for certificate validation.

14 September 2009

USN-829-1: Qt vulnerability

It was discovered that Qt did not properly handle certificates with NULL characters in the Subject Alternative Name field of X.509 certificates. An attacker could exploit this to perform a man in the middle attack to view sensitive information or alter encrypted communications. (CVE-2009-2700)

10 September 2009

USN-821-1: Firefox and Xulrunner vulnerabilities

Several flaws were discovered in the Firefox browser and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-3070, CVE-2009-3071, CVE-2009-3072, CVE-2009-3074,…

10 September 2009

USN-828-1: PAM vulnerability

Russell Senior discovered that the system authentication module selection mechanism for PAM did not safely handle an empty selection. If an administrator had specifically removed the default list of modules or failed to chose a module when operating debconf in a very unlikely non-default configuration, PAM would allow any authentication…

8 September 2009

USN-810-3: NSS regression

USN-810-1 fixed vulnerabilities in NSS. Jozsef Kadlecsik noticed that the new libraries on amd64 did not correctly set stack memory flags, and caused applications using NSS (e.g. Firefox) to have an executable stack. This reduced the effectiveness of some defensive security protections. This update fixes the problem. We apologize for the…

2 September 2009

USN-827-1: Dnsmasq vulnerabilities

IvAin Arce, Pablo HernAin Jorge, Alejandro Pablo Rodriguez, MartA­n Coco, Alberto SoliAto Testa and Pablo Annetta discovered that Dnsmasq did not properly validate its input when processing TFTP requests for files with long names. A remote attacker could cause a denial of service or execute arbitrary code with user privileges. Dnsmasq runs as the…

1 September 2009

USN-826-1: Mono vulnerabilities

It was discovered that the XML HMAC signature system did not correctly check certain lengths. If an attacker sent a truncated HMAC, it could bypass authentication, leading to potential privilege escalation. (CVE-2009-0217) It was discovered that Mono did not properly escape certain attributes in the ASP.net class libraries which could result in…

26 August 2009

USN-825-1: libvorbis vulnerability

It was discovered that libvorbis did not correctly handle certain malformed ogg files. If a user were tricked into opening a specially crafted ogg file with an application that uses libvorbis, an attacker could execute arbitrary code with the user’s privileges. (CVE-2009-2663) USN-682-1 provided updated libvorbis packages to fix multiple…

24 August 2009

USN-824-1: PHP vulnerability

It was discovered that PHP did not properly handle certain malformed JPEG images when being parsed by the Exif module. A remote attacker could exploit this flaw and cause the PHP server to crash, resulting in a denial of service.

24 August 2009

USN-822-1: KDE-Libs vulnerabilities

It was discovered that KDE-Libs did not properly handle certain malformed SVG images. If a user were tricked into opening a specially crafted SVG image, an attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. This issue only affected Ubuntu 9.04. (CVE-2009-0945) It was…

24 August 2009

USN-817-1: Thunderbird vulnerabilities

Several flaws were discovered in the rendering engine of Thunderbird. If Javascript were enabled, an attacker could exploit these flaws to crash Thunderbird.

20 August 2009

USN-820-1: Pidgin vulnerability

Federico Muttis discovered that Pidgin did not properly handle certain malformed messages in the MSN protocol handler. A remote attacker could send a specially crafted message and possibly execute arbitrary code with user privileges.

20 August 2009

USN-809-1: GnuTLS vulnerabilities

Moxie Marlinspike and Dan Kaminsky independently discovered that GnuTLS did not properly handle certificates with NULL characters in the certificate name. An attacker could exploit this to perform a man in the middle attack to view sensitive information or alter encrypted communications. (CVE-2009-2730) Dan Kaminsky discovered GnuTLS would still…

19 August 2009

USN-802-2: Apache regression

USN-802-1 fixed vulnerabilities in Apache. The upstream fix for CVE-2009-1891 introduced a regression that would cause Apache children to occasionally segfault when mod_deflate is used. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that mod_proxy_http did not properly handle a…

19 August 2009

USN-819-1: Linux kernel vulnerability

Tavis Ormandy and Julien Tinnes discovered that Linux did not correctly initialize certain socket operation function pointers. A local attacker could exploit this to gain root privileges. By default, Ubuntu 8.04 and later with a non-zero /proc/sys/vm/mmap_min_addr setting were not vulnerable.

19 August 2009

USN-818-1: curl vulnerability

Scott Cantor discovered that Curl did not correctly handle SSL certificates with zero bytes in the Common Name. A remote attacker could exploit this to perform a man in the middle attack to view sensitive information or alter encrypted communications.

17 August 2009

USN-816-1: fetchmail vulnerability

Matthias Andree discovered that fetchmail did not properly handle certificates with NULL characters in the certificate name. A remote attacker could exploit this to perform a man in the middle attack to view sensitive information or alter encrypted communications.

12 August 2009

USN-815-1: libxml2 vulnerabilities

It was discovered that libxml2 did not correctly handle root XML document element DTD definitions. If a user were tricked into processing a specially crafted XML document, a remote attacker could cause the application linked against libxml2 to crash, leading to a denial of service. (CVE-2009-2414) It was discovered that libxml2 did not correctly…

11 August 2009

USN-814-1: OpenJDK vulnerabilities

It was discovered that the XML HMAC signature system did not correctly check certain lengths. If an attacker sent a truncated HMAC, it could bypass authentication, leading to potential privilege escalation. (CVE-2009-0217) It was discovered that JAR bundles would appear signed if only one element was signed. If a user were tricked into running…

11 August 2009

USN-813-3: apr-util vulnerability

USN-813-1 fixed vulnerabilities in apr. This update provides the corresponding updates for apr-util. Original advisory details: Matt Lewis discovered that apr did not properly sanitize its input when allocating memory. If an application using apr processed crafted input, a remote attacker could cause a denial of service or potentially…

8 August 2009

USN-812-1: Subversion vulnerability

Matt Lewis discovered that Subversion did not properly sanitize its input when processing svndiff streams, leading to various integer and heap overflows. If a user or automated system processed crafted input, a remote attacker could cause a denial of service or potentially execute arbitrary code as the user processing the input.

8 August 2009

USN-813-1: apr vulnerability

Matt Lewis discovered that apr did not properly sanitize its input when allocating memory. If an application using apr processed crafted input, a remote attacker could cause a denial of service or potentially execute arbitrary code as the user invoking the application.

8 August 2009

USN-811-1: Firefox and Xulrunner vulnerability

Juan Pablo Lopez Yacubian discovered that Firefox did not properly display invalid URLs. If a user were tricked into accessing a malicious website, an attacker could exploit this to spoof the location bar, such as in a phishing attack. Furthermore, if the malicious website had a valid SSL certificate, Firefox would display the spoofed page as…

8 August 2009

USN-810-2: NSPR update

USN-810-1 fixed vulnerabilities in NSS. This update provides the NSPR needed to use the new NSS. Original advisory details: Moxie Marlinspike discovered that NSS did not properly handle regular expressions in certificate names. A remote attacker could create a specially crafted certificate to cause a denial of service (via application crash)…

4 August 2009

USN-810-1: NSS vulnerabilities

Moxie Marlinspike discovered that NSS did not properly handle regular expressions in certificate names. A remote attacker could create a specially crafted certificate to cause a denial of service (via application crash) or execute arbitrary code as the user invoking the program. (CVE-2009-2404) Moxie Marlinspike and Dan Kaminsky independently…

4 August 2009

USN-808-1: Bind vulnerability

Micha Krause discovered that Bind did not correctly validate certain dynamic DNS update packets. An unauthenticated remote attacker could send specially crafted traffic to crash the DNS server, leading to a denial of service.

29 July 2009

USN-807-1: Linux kernel vulnerabilities

Michael Tokarev discovered that the RTL8169 network driver did not correctly validate buffer sizes. A remote attacker on the local network could send specially crafted traffic that would crash the system or potentially grant elevated privileges. (CVE-2009-1389) Julien Tinnes and Tavis Ormandy discovered that when executing setuid processes the…

28 July 2009

USN-798-1: Firefox and Xulrunner vulnerabilities

Several flaws were discovered in the Firefox browser and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-2462, CVE-2009-2463, CVE-2009-2464, CVE-2009-2465, CVE-2009-2466,…

22 July 2009

USN-805-1: Ruby vulnerabilities

It was discovered that Ruby did not properly validate certificates. An attacker could exploit this and present invalid or revoked X.509 certificates. (CVE-2009-0642) It was discovered that Ruby did not properly handle string arguments that represent large numbers. An attacker could exploit this and cause a denial of service. (CVE-2009-1904)

20 July 2009

USN-804-1: PulseAudio vulnerability

Tavis Ormandy, Julien Tinnes, and Yorick Koster discovered that PulseAudio did not safely re-execute itself. A local attacker could exploit this to gain root privileges.

16 July 2009

USN-803-1: dhcp vulnerability

It was discovered that the DHCP client as included in dhcp3 did not verify the length of certain option fields when processing a response from an IPv4 dhcp server. If a user running Ubuntu 6.06 LTS or 8.04 LTS connected to a malicious dhcp server, a remote attacker could cause a denial of service or execute arbitrary code as the user invoking the…

14 July 2009

USN-802-1: Apache vulnerabilities

It was discovered that mod_proxy_http did not properly handle a large amount of streamed data when used as a reverse proxy. A remote attacker could exploit this and cause a denial of service via memory resource consumption. This issue affected Ubuntu 8.04 LTS, 8.10 and 9.04. (CVE-2009-1890) It was discovered that mod_deflate did not abort…

13 July 2009

USN-801-1: tiff vulnerability

Tielei Wang and Tom Lane discovered that the TIFF library did not correctly handle certain malformed TIFF images. If a user or automated system were tricked into processing a malicious image, an attacker could execute arbitrary code with the privileges of the user invoking the program.

13 July 2009

USN-800-1: irssi vulnerability

It was discovered that irssi did not properly check the length of strings when processing WALLOPS messages. If a user connected to an IRC network where an attacker had IRC operator privileges, a remote attacker could cause a denial of service.

13 July 2009

USN-799-1: D-Bus vulnerability

It was discovered that the D-Bus library did not correctly validate signatures. If a local user sent a specially crafted D-Bus key, they could spoof a valid signature and bypass security policies.

13 July 2009

USN-796-1: Pidgin vulnerability

Yuriy Kaminskiy discovered that Pidgin did not properly handle certain messages in the ICQ protocol handler. A remote attacker could send a specially crafted message and cause Pidgin to crash.

6 July 2009

USN-797-1: tiff vulnerability

It was discovered that the TIFF library did not correctly handle certain malformed TIFF images. If a user or automated system were tricked into processing a malicious image, a remote attacker could cause an application linked against libtiff to crash, leading to a denial of service.

6 July 2009

USN-795-1: Nagios vulnerability

It was discovered that Nagios did not properly parse certain commands submitted using the WAP web interface. An authenticated user could exploit this flaw and execute arbitrary programs on the server.

2 July 2009

USN-794-1: Perl vulnerability

It was discovered that the Compress::Raw::Zlib Perl module incorrectly handled certain zlib compressed streams. If a user or automated system were tricked into processing a specially crafted compressed stream or file, a remote attacker could crash the application, leading to a denial of service.

2 July 2009

USN-793-1: Linux kernel vulnerabilities

Igor Zhbanov discovered that NFS clients were able to create device nodes even when root_squash was enabled. An authenticated remote attacker could create device nodes with open permissions, leading to a loss of privacy or escalation of privileges. Only Ubuntu 8.10 and 9.04 were affected. (CVE-2009-1072) Dan Carpenter discovered that SELinux did…

2 July 2009

USN-782-1: Thunderbird vulnerabilities

Several flaws were discovered in the JavaScript engine of Thunderbird. If a user had JavaScript enabled and were tricked into viewing malicious web content, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-1303, CVE-2009-1305, CVE-2009-1392,…

25 June 2009

USN-792-1: OpenSSL vulnerabilities

It was discovered that OpenSSL did not limit the number of DTLS records it would buffer when they arrived with a future epoch. A remote attacker could cause a denial of service via memory resource consumption by sending a large number of crafted requests. (CVE-2009-1377) It was discovered that OpenSSL did not properly free memory when…

25 June 2009

USN-791-2: Moodle vulnerability

Christian Eibl discovered that the TeX filter in Moodle allowed any function to be used. An authenticated remote attacker could post a specially crafted TeX formula to execute arbitrary TeX functions, potentially reading any file accessible to the web server user, leading to a loss of privacy. (CVE-2009-1171, MSA-09-0009)

24 June 2009

USN-791-3: Smarty vulnerability

It was discovered that Smarty did not correctly filter certain math inputs. A remote attacker using Smarty via a web service could exploit this to execute subsets of shell commands as the web server user.

24 June 2009

USN-790-1: Cyrus SASL vulnerability

James Ralston discovered that the Cyrus SASL base64 encoding function could be used unsafely. If a remote attacker sent a specially crafted request to a service that used SASL, it could lead to a loss of privacy, or crash the application, resulting in a denial of service.

24 June 2009

USN-789-1: GStreamer Good Plugins vulnerability

Tielei Wang discovered that GStreamer Good Plugins did not correctly handle malformed PNG image files. If a user were tricked into opening a crafted PNG image file with a GStreamer application, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program.

22 June 2009

USN-788-1: Tomcat vulnerabilities

Iida Minehiko discovered that Tomcat did not properly normalise paths. A remote attacker could send specially crafted requests to the server and bypass security restrictions, gaining access to sensitive content. (CVE-2008-5515) Yoshihito Fukuyama discovered that Tomcat did not properly handle errors when the Java AJP connector and mod_jk load…

15 June 2009

USN-779-1: Firefox and Xulrunner vulnerabilities

Several flaws were discovered in the browser and JavaScript engines of Firefox. If a user were tricked into viewing a malicious website, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-1392, CVE-2009-1832, CVE-2009-1833, CVE-2009-1837,…

12 June 2009

USN-787-1: Apache vulnerabilities

Matthew Palmer discovered an underflow flaw in apr-util as included in Apache. An attacker could cause a denial of service via application crash in Apache using a crafted SVNMasterURI directive, .htaccess file, or when using mod_apreq2. This issue only affected Ubuntu 6.06 LTS. (CVE-2009-0023) Sander de Boer discovered that mod_proxy_ajp would…

11 June 2009

USN-786-1: apr-util vulnerabilities

Matthew Palmer discovered an underflow flaw in apr-util. An attacker could cause a denial of service via application crash in Apache using a crafted SVNMasterURI directive, .htaccess file, or when using mod_apreq2. Applications using libapreq2 are also affected. (CVE-2009-0023) It was discovered that the XML parser did not properly handle…

10 June 2009

USN-785-1: ipsec-tools vulnerabilities

It was discovered that ipsec-tools did not properly handle certain fragmented packets. A remote attacker could send specially crafted packets to the server and cause a denial of service. (CVE-2009-1574) It was discovered that ipsec-tools did not properly handle memory usage when verifying certificate signatures or processing…

9 June 2009

USN-784-1: ImageMagick vulnerability

It was discovered that ImageMagick did not properly verify the dimensions of TIFF files. If a user or automated system were tricked into opening a crafted TIFF file, an attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program.

8 June 2009

USN-783-1: eCryptfs vulnerability

Chris Jones discovered that the eCryptfs support utilities would report the mount passphrase into installation logs when an eCryptfs home directory was selected during Ubuntu installation. The logs are only readable by the root user, but this still left the mount passphrase unencrypted on disk, potentially leading to a loss of privacy.

8 June 2009

USN-781-1: Pidgin vulnerabilities

It was discovered that Pidgin did not properly handle certain malformed messages when sending a file using the XMPP protocol handler. If a user were tricked into sending a file, a remote attacker could send a specially crafted response and cause Pidgin to crash, or possibly execute arbitrary code with user privileges. (CVE-2009-1373) It was…

3 June 2009

USN-780-1: CUPS vulnerability

Anibal Sacco discovered that CUPS did not properly handle certain network operations. A remote attacker could exploit this flaw and cause the CUPS server to crash, resulting in a denial of service.

3 June 2009

USN-778-1: cron vulnerability

It was discovered that cron did not properly check the return code of the setgid() and initgroups() system calls. A local attacker could use this to escalate group privileges. Please note that cron versions 3.0pl1-64 and later were already patched to address the more serious setuid() check referred to by CVE-2006-2607.

1 June 2009

USN-777-1: Ntp vulnerabilities

A stack-based buffer overflow was discovered in ntpq. If a user were tricked into connecting to a malicious ntp server, a remote attacker could cause a denial of service in ntpq, or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-0159) Chris Ries discovered a stack-based overflow in ntp. If ntp was…

19 May 2009

USN-775-1: Quagga vulnerability

It was discovered that the BGP service in Quagga did not correctly handle certain AS paths containing 4-byte ASNs. An authenticated remote attacker could exploit this flaw to cause bgpd to abort, leading to a denial of service.

12 May 2009

USN-774-1: MoinMoin vulnerability

It was discovered that MoinMoin did not properly sanitize its input when attaching files, resulting in cross-site scripting (XSS) vulnerabilities. With cross-site scripting vulnerabilities, if a user were tricked into viewing server output during a crafted server request, a remote attacker could exploit this to modify the contents, or steal…

11 May 2009

USN-772-1: MPFR vulnerability

It was discovered that MPFR improperly handled string lengths in its print routines. If a user or automated system were tricked into processing specially crafted data with applications linked against MPFR, an attacker could cause a denial of service or execute arbitrary code with privileges of the user invoking the program.

7 May 2009

USN-771-1: libmodplug vulnerabilities

It was discovered that libmodplug did not correctly handle certain parameters when parsing MED media files. If a user or automated system were tricked into opening a crafted MED file, an attacker could execute arbitrary code with privileges of the user invoking the program. (CVE-2009-1438) Manfred Tremmel and Stanislav Brabec discovered that…

7 May 2009

USN-770-1: ClamAV vulnerability

A flaw was discovered in the clamav-milter initscript which caused the ownership of the current working directory to be changed to the ‘clamav’ user. This update attempts to repair the incorrect ownership for standard system directories, but it is recommended that the following command be performed to report any other directories that may be…

4 May 2009

USN-769-1: libwmf vulnerability

Tavis Ormandy discovered that libwmf incorrectly used memory after it had been freed when using its embedded GD library. If a user or automated system were tricked into opening a crafted WMF file, an attacker could cause a denial of service or execute arbitrary code with privileges of the user invoking the program.

4 May 2009

USN-768-1: Apport vulnerability

Stephane Chazelas discovered that Apport did not safely remove files from its crash report directory. If Apport had been enabled at some point, a local attacker could remove arbitrary files from the system.

29 April 2009

USN-765-1: Firefox and Xulrunner vulnerabilities

It was discovered that the upstream security fixes in USN-764-1 introduced a regression which could cause the browser to crash. If a user were tricked into viewing a malicious website, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program.

28 April 2009

USN-761-2: PHP vulnerabilities

USN-761-1 fixed vulnerabilities in PHP. This update provides the corresponding updates for Ubuntu 9.04. Original advisory details: It was discovered that PHP did not sanitize certain error messages when display_errors is enabled, which could result in browsers becoming vulnerable to cross-site scripting attacks when processing the output. …

27 April 2009

USN-767-1: FreeType vulnerability

Tavis Ormandy discovered that FreeType did not correctly handle certain large values in font files. If a user were tricked into using a specially crafted font file, a remote attacker could execute arbitrary code with user privileges.

27 April 2009

USN-766-1: acpid vulnerability

It was discovered that acpid did not properly handle a large number of connections. A local user could exploit this and monopolize CPU resources, leading to a denial of service.

27 April 2009

USN-764-1: Firefox and Xulrunner vulnerabilities

Several flaws were discovered in the browser engine. If a user were tricked into viewing a malicious website, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-1302, CVE-2009-1303, CVE-2009-1304, CVE-2009-1305) It was discovered that Firefox…

23 April 2009