USN-3598-2: curl vulnerabilities

Releases

• Ubuntu 12.04

Packages

• curl - HTTP, HTTPS, and FTP client and client libraries

Details

USN-3598-1 fixed a vulnerability in curl. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

Phan Thanh discovered that curl incorrectly handled certain FTP paths. An
attacker could use this to cause a denial of service or possibly execute
arbitrary code. (CVE-2018-1000120)

Dario Weisser discovered that curl incorrectly handled certain LDAP URLs.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2018-1000121)

Max Dymond discovered that curl incorrectly handled certain RTSP data. An
attacker could possibly use this to cause a denial of service or even to
get access to sensitive data. (CVE-2018-1000122)

Max Dymond discovered that curl incorrectly handled certain RTSP responses.
If a user or automated system were tricked into connecting to a malicious
server, a remote attacker could use this issue to cause curl to crash,
resulting in a denial of service, or possibly obtain sensitive information.
(CVE-2018-1000301)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 12.04

• libcurl3-nss - 7.22.0-3ubuntu4.21
• curl - 7.22.0-3ubuntu4.21
• libcurl3-gnutls - 7.22.0-3ubuntu4.21
• libcurl3 - 7.22.0-3ubuntu4.21

In general, a standard system update will make all the necessary changes.

References

• CVE-2018-1000120
• CVE-2018-1000121
• CVE-2018-1000122
• CVE-2018-1000301

Related notices

• USN-3598-1: libcurl3-udeb, curl, libcurl3-gnutls, libcurl4-gnutls-dev, libcurl4-openssl-dev, libcurl3, libcurl4-doc, libcurl3-nss, libcurl4-nss-dev, curl-udeb
• USN-3648-1: libcurl3-udeb, curl, libcurl3-gnutls, libcurl4-gnutls-dev, libcurl4-openssl-dev, libcurl4-nss-dev, libcurl3, libcurl4, libcurl3-nss, libcurl4-doc, curl-udeb