Ubuntu Security Notice USN-2838-2
16th 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
Adam Chester 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:
foomatic-filters
4.0.16-0ubuntu0.4
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.