USN-1958-1: language-selector vulnerability

Ubuntu Security Notice USN-1958-1

18th September, 2013

language-selector vulnerability

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

  • Ubuntu 13.04
  • Ubuntu 12.10
  • Ubuntu 12.04 LTS

Summary

language-selector could be tricked into bypassing polkit authorizations.

Software description

  • language-selector - Language selector for Ubuntu

Details

It was discovered that language-selector was using polkit in an unsafe
manner. A local attacker could possibly use this issue to bypass intended
polkit authorizations.

Update instructions

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.

References

CVE-2013-1066