USN-1702-1: PHP vulnerability

22 January 2013

php5 vulnerability

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

  • Ubuntu 12.04 LTS


PHP could be made to expose sensitive information over the network.

Software Description

  • php5 - HTML-embedded scripting language interpreter


It was discovered that PHP incorrectly handled the openssl_encrypt function when used with an empty string. An attacker could use this flaw to cause PHP to disclose arbitrary memory contents and possibly expose sensitive information.

Update instructions

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

Ubuntu 12.04 LTS
php5 - 5.3.10-1ubuntu3.5

To update your system, please follow these instructions:

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