USN-1960-1: Software Properties vulnerability

18 September 2013

software-properties vulnerability

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

  • Ubuntu 13.04
  • Ubuntu 12.10
  • Ubuntu 12.04 LTS

Summary

Software Properties could be tricked into bypassing polkit authorizations.

Software Description

  • software-properties - manage the repositories that you install software from

Details

It was discovered that Software Properties 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 versions:

Ubuntu 13.04
software-properties-common - 0.92.17.3
Ubuntu 12.10
software-properties-common - 0.92.9.3
Ubuntu 12.04 LTS
software-properties-common - 0.82.7.5

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