USN-1702-1: PHP vulnerability
22 January 2013
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.
- 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.
The problem can be corrected by updating your system to the following package versions:
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.