Ubuntu: 2163-1: PHP vulnerability
Posted by Benjamin D. Thomas   
Ubuntu PHP could be made to crash if it processed a specially crafted file.
==========================================================================
Ubuntu Security Notice USN-2163-1
April 07, 2014

php5 vulnerability
==========================================================================

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

- Ubuntu 13.10
- Ubuntu 12.10
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS

Summary:

PHP could be made to crash if it processed a specially crafted file.

Software Description:
- php5: HTML-embedded scripting language interpreter

Details:

It was discovered that PHP's embedded libmagic library incorrectly handled
PE executables. An attacker could use this issue to cause PHP to crash,
resulting in a denial of service.

Update instructions:

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

Ubuntu 13.10:
  libapache2-mod-php5             5.5.3+dfsg-1ubuntu2.3
  php5-cgi                        5.5.3+dfsg-1ubuntu2.3
  php5-cli                        5.5.3+dfsg-1ubuntu2.3

Ubuntu 12.10:
  libapache2-mod-php5             5.4.6-1ubuntu1.8
  php5-cgi                        5.4.6-1ubuntu1.8
  php5-cli                        5.4.6-1ubuntu1.8

Ubuntu 12.04 LTS:
  libapache2-mod-php5             5.3.10-1ubuntu3.11
  php5-cgi                        5.3.10-1ubuntu3.11
  php5-cli                        5.3.10-1ubuntu3.11

Ubuntu 10.04 LTS:
  libapache2-mod-php5             5.3.2-1ubuntu4.24
  php5-cgi                        5.3.2-1ubuntu4.24
  php5-cli                        5.3.2-1ubuntu4.24

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

References:
  http://www.ubuntu.com/usn/usn-2163-1
  CVE-2014-2270

Package Information:
  https://launchpad.net/ubuntu/+source/php5/5.5.3+dfsg-1ubuntu2.3
  https://launchpad.net/ubuntu/+source/php5/5.4.6-1ubuntu1.8
  https://launchpad.net/ubuntu/+source/php5/5.3.10-1ubuntu3.11
  https://launchpad.net/ubuntu/+source/php5/5.3.2-1ubuntu4.24