From: Dirk Mueller <mueller@kde.org.>
To: [email protected]Subject: [KDE Security Advisory] kcheckpass local root vulnerability
Date: Mon, 5 Sep 2005 13:14:45 +0200
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KDE Security Advisory: kcheckpass local root vulnerability
Original Release Date: 2008-09-05
URL: http://www.kde.org/info/security/advisory-20050905-1.txt
0. References
CAN-2005-2494
1. Systems affected:
All KDE releases starting from KDE 3.2.0 up to including
KDE 3.4.2.
2. Overview:
Ilja van Sprundel from suresec.org notified the KDE
security team about a serious lock file handling error
in kcheckpass that can, in some configurations, be used
to gain root access.
In order for an exploit to succeed, the directory /var/lock
has to be writeable for a user that is allowed to invoke
kcheckpass.
3. Impact:
A local user can escalate its privileges to the root user.
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:
Patch for KDE 3.4.2 is available from=20
ftp://ftp.kde.org/pub/kde/security_patches :
86f7d6fd68568dfd1edcae453958ba31 post-3.4.2-kdebase-kcheckpass.diff
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