USN-2254-1: PHP vulnerabilities

Releases

• Ubuntu 14.04 ESM
• Ubuntu 13.10
• Ubuntu 12.04
• Ubuntu 10.04

Packages

• php5 - HTML-embedded scripting language interpreter

Details

Christian Hoffmann discovered that the PHP FastCGI Process Manager (FPM)
set incorrect permissions on the UNIX socket. A local attacker could use
this issue to possibly elevate their privileges. This issue only affected
Ubuntu 12.04 LTS, Ubuntu 13.10, and Ubuntu 14.04 LTS. (CVE-2014-0185)

Francisco Alonso discovered that the PHP Fileinfo component incorrectly
handled certain CDF documents. A remote attacker could use this issue to
cause PHP to hang or crash, resulting in a denial of service.
(CVE-2014-0237, CVE-2014-0238)

Stefan Esser discovered that PHP incorrectly handled DNS TXT records. A
remote attacker could use this issue to cause PHP to crash, resulting in a
denial of service, or possibly execute arbitrary code. (CVE-2014-4049)

Update instructions

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

Ubuntu 14.04

• libapache2-mod-php5 - 5.5.9+dfsg-1ubuntu4.1
• php5-cgi - 5.5.9+dfsg-1ubuntu4.1
• php5-cli - 5.5.9+dfsg-1ubuntu4.1
• php5-fpm - 5.5.9+dfsg-1ubuntu4.1

Ubuntu 13.10

• libapache2-mod-php5 - 5.5.3+dfsg-1ubuntu2.4
• php5-cgi - 5.5.3+dfsg-1ubuntu2.4
• php5-cli - 5.5.3+dfsg-1ubuntu2.4
• php5-fpm - 5.5.3+dfsg-1ubuntu2.4

Ubuntu 12.04

• libapache2-mod-php5 - 5.3.10-1ubuntu3.12
• php5-cgi - 5.3.10-1ubuntu3.12
• php5-cli - 5.3.10-1ubuntu3.12
• php5-fpm - 5.3.10-1ubuntu3.12

Ubuntu 10.04

• libapache2-mod-php5 - 5.3.2-1ubuntu4.25
• php5-cgi - 5.3.2-1ubuntu4.25
• php5-cli - 5.3.2-1ubuntu4.25

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

References

• CVE-2014-0185
• CVE-2014-0237
• CVE-2014-0238
• CVE-2014-4049