Ubuntu Security Notice USN-1956-1
18th September, 2013
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 13.04
- Ubuntu 12.10
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS
HPLIP could be tricked into bypassing polkit authorizations.
- hplip - HP Linux Printing and Imaging System (HPLIP)
It was discovered that HPLIP was using polkit in an unsafe manner. A local
attacker could possibly use this issue to bypass intended polkit
The problem can be corrected by updating your system to the following package version:
- Ubuntu 13.04:
- hplip 3.13.3-1ubuntu0.1
- Ubuntu 12.10:
- hplip 3.12.6-3ubuntu4.1
- Ubuntu 12.04 LTS:
- hplip 3.12.2-1ubuntu3.2
- Ubuntu 10.04 LTS:
- hplip 3.10.2-2ubuntu2.3
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to reboot your computer to make
all the necessary changes.