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KDE KDM Arbitrary File Reading Vulnerability
Secunia Advisory: SA20602
Release Date: 2006-06-15
Popularity: 9,379 views

Critical:
Less critical
Impact: Exposure of sensitive information
Where: Local system
Solution Status: Vendor Patch

Software:KDE 3.x

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CVE reference:CVE-2006-2449


Description:
A vulnerability has been reported in KDE, which can be exploited by malicious, local users to gain knowledge of sensitive information.

KDM allows users to specify the session type for login, which is stored permanently in the user's home directory. This information is read insecurely by the "ReadDmrc()" function and can be exploited via symlink attacks to read the contents of any file on the system.

The vulnerability affects KDE 3.2.0 through 3.5.3.

Solution:
Apply patches.

KDE 3.4.0 - KDE 3.5.3:
ftp://ftp.kde.org/pub/kde/security_patches/post-3.5.0-kdebase-kdm.diff
9daecff07d57dabba35da247e752916a

KDE 3.3.x:
ftp://ftp.kde.org/pub/kde/security_patches/post-3.3.0-kdebase-kdm.diff
f2e1424d97f2cd18674bef833274c5e3

KDE 3.2.x:
ftp://ftp.kde.org/pub/kde/security_patches/post-3.2.0-kdebase-kdm.diff
8aa6b41cccca4216c6eb1cf705c2370a

Provided and/or discovered by:
The vendor credits Ludwig Nussel.

Original Advisory:
http://www.kde.org/info/security/advisory-20060614-1.txt


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