Vulnerabilidad en KDE

KDE Security Advisory: KDM Local Privilege Escalation Vulnerability
Original Release Date: 2010-04-13
URL: http://www.kde.org/info/security/advisory-20100413-1.txt

0. References
 CVE-2010-0436


1. Systems affected:

 KDM as shipped with KDE SC 2.2.0 up to including KDE SC 4.4.2


2. Overview:

 KDM contains a race condition that allows local attackers to
 make arbitrary files on the system world-writeable. This can
 happen while KDM tries to create its control socket during
 user login. This vulnerability has been discovered by
 Sebastian Krahmer from the SUSE Security Team.

3. Impact:

 A local attacker with a valid local account can under
 certain circumstances make use of this vulnerability to
 execute arbitrary code as root.

4. Solution:

 Source code patches have been made available which fix these
 vulnerabilities. Contact your OS vendor / binary package provider
 for information about how to obtain updated binary packages.

5. Patch:

 A patch for KDE 4.3.x-4.4.x is available from
 ftp://ftp.kde.org/pub/kde/security_patches :

 68c1dfe76e80812e5e049bb599b3374e  kdebase-workspace-4.3.5-CVE-2010-0436.diff