USN-2391-1: php5 vulnerabilities

Ubuntu Security Notice USN-2391-1

30th October, 2014

php5 vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 14.10
  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS
  • Ubuntu 10.04 LTS

Summary

Several security issues were fixed in PHP.

Software description

  • php5 - HTML-embedded scripting language interpreter

Details

Symeon Paraschoudis discovered that PHP incorrectly handled the mkgmtime
function. A remote attacker could possibly use this issue to cause PHP to
crash, resulting in a denial of service. (CVE-2014-3668)

Symeon Paraschoudis discovered that PHP incorrectly handled unserializing
objects. A remote attacker could possibly use this issue to cause PHP to
crash, resulting in a denial of service. (CVE-2014-3669)

Otto Ebeling discovered that PHP incorrectly handled the exif_thumbnail
function. A remote attacker could use this issue to cause PHP to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2014-3670)

Francisco Alonso that PHP incorrectly handled ELF files in the fileinfo
extension. A remote attacker could possibly use this issue to cause PHP to
crash, resulting in a denial of service. (CVE-2014-3710)

It was discovered that PHP incorrectly handled NULL bytes when processing
certain URLs with the curl functions. A remote attacker could possibly use
this issue to bypass filename restrictions and obtain access to sensitive
files. (No CVE number)

Update instructions

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

Ubuntu 14.10:
php5-cli 5.5.12+dfsg-2ubuntu4.1
php5-cgi 5.5.12+dfsg-2ubuntu4.1
php5-xmlrpc 5.5.12+dfsg-2ubuntu4.1
php5-curl 5.5.12+dfsg-2ubuntu4.1
libapache2-mod-php5 5.5.12+dfsg-2ubuntu4.1
php5-fpm 5.5.12+dfsg-2ubuntu4.1
Ubuntu 14.04 LTS:
php5-cli 5.5.9+dfsg-1ubuntu4.5
php5-cgi 5.5.9+dfsg-1ubuntu4.5
php5-xmlrpc 5.5.9+dfsg-1ubuntu4.5
php5-curl 5.5.9+dfsg-1ubuntu4.5
libapache2-mod-php5 5.5.9+dfsg-1ubuntu4.5
php5-fpm 5.5.9+dfsg-1ubuntu4.5
Ubuntu 12.04 LTS:
php5-cli 5.3.10-1ubuntu3.15
php5-cgi 5.3.10-1ubuntu3.15
php5-xmlrpc 5.3.10-1ubuntu3.15
php5-curl 5.3.10-1ubuntu3.15
libapache2-mod-php5 5.3.10-1ubuntu3.15
php5-fpm 5.3.10-1ubuntu3.15
Ubuntu 10.04 LTS:
php5-cli 5.3.2-1ubuntu4.28
php5-cgi 5.3.2-1ubuntu4.28
libapache2-mod-php5 5.3.2-1ubuntu4.28
php5-curl 5.3.2-1ubuntu4.28
php5-xmlrpc 5.3.2-1ubuntu4.28

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

CVE-2014-3668, CVE-2014-3669, CVE-2014-3670, CVE-2014-3710