Module::Signature could be made to run programs if it verified a signature.
Florian Weimer discovered that the Module::Signature perl module incorrectly loaded unknown ciphers from relative directories. An attacker could possibly use this flaw to execute arbitrary code when a signature is verified.
3 July 2013
A security issue affects these releases of Ubuntu and its derivatives:
Module::Signature could be made to run programs if it verified a signature.
Florian Weimer discovered that the Module::Signature perl module incorrectly loaded unknown ciphers from relative directories. An attacker could possibly use this flaw to execute arbitrary code when a signature is verified.
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