[KDE Security Advisory] ksirc Denial of Service vulnerability Jan 09 2007 03:32PM
Dirk Mueller (mueller kde org)

KDE Security Advisory: ksirc denial of service vulnerability
Original Release Date: 2007-01-09
URL: http://www.kde.org/info/security/advisory-20070109-1.txt

0. References


1. Systems affected:

ksirc as shipped with KDE 3.5.5 or older. KDE 3.5.6 and
newer is not affected.

2. Overview:

On 2006-12-27, a proof of concept for arbitrary code execution
in ksirc was published by Federico L. Bossi Bonin. The published
exploit triggers an assertion in ksirc and results in a
a NULL pointer dereference (crash) for non-debug builds.

3. Impact:

A malicious IRC server can crash the ksirc client. No arbitrary
code execution is possible by this vulnerability.

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 3.5.5 is available from
ftp://ftp.kde.org/pub/kde/security_patches :

72897a581daa9f71bdf61238f4c3e693 post-3.5.5-kdenetwork-ksirc.diff

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