KDE KDM Symlink Bug Lets Local Users View Files
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SecurityTracker Alert ID: 1016297 |
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SecurityTracker URL: http://securitytracker.com/id/1016297
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CVE Reference:
CVE-2006-2449
(Links to External Site)
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Date: Jun 14 2006
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Impact:
Disclosure of system information, Disclosure of user information
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 3.2.0 through 3.5.3
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Description:
A vulnerability was reported in KDE. A local user can view restricted files.
KDM stores the user's selection of the session type for login in a file in the user's home directory. A local user can create a symbolic link (symlink) from a critical file on the system to this file. Then, the local user can invoke KDM to view the contents of the symlinked file.
Ludwig Nussel reported this vulnerability.
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Impact:
A local user can view the contents of files that they do not otherwise have privileges to view.
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Solution:
The vendor has issued the following fixes:
A patch for KDE 3.4.0 - KDE 3.5.3 is available from
ftp://ftp.kde.org/pub/kde/security_patches :
9daecff07d57dabba35da247e752916a post-3.5.0-kdebase-kdm.diff
A patch for KDE 3.3.x is available from
ftp://ftp.kde.org/pub/kde/security_patches :
f2e1424d97f2cd18674bef833274c5e3 post-3.3.0-kdebase-kdm.diff
A patch for KDE 3.2.x is available from
ftp://ftp.kde.org/pub/kde/security_patches :
8aa6b41cccca4216c6eb1cf705c2370a post-3.2.0-kdebase-kdm.diff
The KDE security advisory is available at:
http://www.kde.org/info/security/advisory-20060614-1.txt
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Vendor URL: www.kde.org/info/security/advisory-20060614-1.txt (Links to External Site)
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Cause:
State error
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Underlying OS:
Linux (Any), UNIX (Any)
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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Date: Wed, 14 Jun 2006 13:36:56 -0400
Subject: KDE Security Advisory: KDM symlink attack vulnerability
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http://www.kde.org/info/security/advisory-20060614-1.txt
CVE-2006-2449
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