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ksirc Denial of Service vulnerability
Posted by Philipp Esselbach on: 01/10/2007 12:58 PM [ Print | 0 comment(s) ]
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
CVE-2006-6811
http://www.milw0rm.com/exploits/3023
http://www.securityfocus.com/bid/21790
1. Systems affected:
ksirc as shipped with KDE 3.5.5 or older. KDE 3.5.6 and newer is not affected.
Original Release Date: 2007-01-09
URL: http://www.kde.org/info/security/advisory-20070109-1.txt
0. References
CVE-2006-6811
http://www.milw0rm.com/exploits/3023
http://www.securityfocus.com/bid/21790
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 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
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 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
