Ubuntu Security Notice USN-1958-1
18th September, 2013
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 13.04
- Ubuntu 12.10
- Ubuntu 12.04 LTS
language-selector could be tricked into bypassing polkit authorizations.
- language-selector - Language selector for Ubuntu
It was discovered that language-selector was using polkit in an unsafe
manner. A local attacker could possibly use this issue to bypass intended
The problem can be corrected by updating your system to the following package version:
- Ubuntu 13.04:
- language-selector-common 0.110.1
- Ubuntu 12.10:
- language-selector-common 0.90.1
- Ubuntu 12.04 LTS:
- language-selector-common 0.79.4
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.