PHP could be made to expose sensitive information over the network.
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.
22 January 2013
A security issue affects these releases of Ubuntu and its derivatives:
PHP could be made to expose sensitive information over the network.
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.
Vulmon