USN-932-1: KDM vulnerability

Ubuntu Security Notice USN-932-1

19th April, 2010

kdebase-workspace vulnerability

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

  • Ubuntu 9.10
  • Ubuntu 9.04
  • Ubuntu 8.10

Software description

  • kdebase-workspace

Details

Sebastian Krahmer discovered a race condition in the KDE Display Manager
(KDM). A local attacker could exploit this to change the permissions on
arbitrary files, thus allowing privilege escalation.

Update instructions

The problem can be corrected by updating your system to the following package version:

Ubuntu 9.10:
kdm 4:4.3.2-0ubuntu7.2
Ubuntu 9.04:
kdm 4:4.2.2-0ubuntu2.1
Ubuntu 8.10:
kdm 4:4.1.4-0ubuntu1~intrepid3.2

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

After a standard system upgrade you need to reboot your computer to
effect the necessary changes.

References

CVE-2010-0436