USN-2831-2: foomatic-filters vulnerability

Ubuntu Security Notice USN-2831-2

7th 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 version:

Ubuntu 12.04 LTS:

To update your system, please follow these instructions: