USN-2831-2: foomatic-filters vulnerability
7 December 2015
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS
foomatic-filters could be made to run programs as the lp user if it processed a specially crafted print job.
- foomatic-filters - OpenPrinting printer support - filters
Michal Kowalczyk discovered that the foomatic-filters foomatic-rip filter incorrectly stripped shell escape characters. A remote attacker could possibly use this issue to execute arbitrary code as the lp user.
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.