USN-2831-2: foomatic-filters vulnerability

7 December 2015

foomatic-filters vulnerability

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

  • Ubuntu 12.04 LTS

Summary

foomatic-filters could be made to run programs as the lp user if it processed a specially crafted print job.

Software Description

  • foomatic-filters - OpenPrinting printer support - filters

Details

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.

Update instructions

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

Ubuntu 12.04 LTS
foomatic-filters - 4.0.16-0ubuntu0.3

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.

References