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TITLE:
KDE Desktop Communication Protocol Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA14591

VERIFY ADVISORY:
http://secunia.com/advisories/14591/

CRITICAL:
Not critical

IMPACT:
DoS

WHERE:
Local system

SOFTWARE:
KDE 3.x
http://secunia.com/product/219/

DESCRIPTION:
Sebastian Krahmer has reported a vulnerability in KDE, which can be
exploited by malicious, local users to cause a DoS (Denial of
Service).

The vulnerability is caused due to an error in the authentication
process in the DCOP (Desktop Communication Protocol) daemon
dcopserver. This can be exploited to lock the dcopserver for
arbitrary local users.

Successful exploitation may result in decreased desktop functionality
for the affected user.

The vulnerability has been reported in versions prior to 3.4.

SOLUTION:
Upgrade to KDE 3.4 or apply patch.

Patch for KDE 3.1.x:
ftp://ftp.kde.org/pub/kde/security_patches/post-3.1.5-kdelibs-dcop.patch
377c49d8224612fbf09f70f3c09d52f5

Patch for KDE 3.2.x:
ftp://ftp.kde.org/pub/kde/security_patches/post-3.2.3-kdelibs-dcop.patch
0948701bffb082c65784dc8a2b648ef0

Patch for KDE 3.3.x:
ftp://ftp.kde.org/pub/kde/security_patches/post-3.3.2-kdelibs-dcop.patch
7309e259ae1f29be08bbb70e580da3fb

PROVIDED AND/OR DISCOVERED BY:
Sebastian Krahmer, SUSE LINUX Security Team.

ORIGINAL ADVISORY:
http://www.kde.org/info/security/advisory-20050316-1.txt

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