USN-2304-1: KDE-Libs vulnerability

Ubuntu Security Notice USN-2304-1

31st July, 2014

kde4libs vulnerability

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

  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS

Summary

kauth could be tricked into bypassing polkit authorizations.

Software description

  • kde4libs - KDE 4 core applications and libraries

Details

It was discovered that kauth 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 14.04 LTS:
kdelibs5-plugins 4:4.13.2a-0ubuntu0.3
Ubuntu 12.04 LTS:
kdelibs5-plugins 4:4.8.5-0ubuntu0.4

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-2014-5033