KDE KRunner Race Condition Lets Physically Local Users Bypass the Screen Lock
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SecurityTracker Alert ID: 1023641 |
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SecurityTracker URL: http://securitytracker.com/id/1023641
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CVE Reference:
CVE-2010-0923
(Links to External Site)
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Updated: Mar 7 2010
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Original Entry Date: Feb 22 2010
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Impact:
User access via local system
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 4.4.0 only
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Description:
A vulnerability was reported in KDE. A physically local user can bypass the screen lock mechanism on the target system.
A physically local user can exploit a race condition in the KRunner lock module to cause a process to crash and grant the user access to the desktop.
The vulnerability affects the locking mechanism in KRunner and not KScreenSaver. The system may be affected even if no screen saver is used.
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Impact:
A physically local user can bypass the screen lock mechanism on the target system.
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Solution:
The vendor has issued a fix.
Patches for KDE 4.4.0 are available via SVN at:
http://websvn.kde.org/?view=rev&revision=1089241
The vendor's advisory is available at:
http://www.kde.org/info/security/advisory-20100217-1.txt
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Vendor URL: www.kde.org/info/security/advisory-20100217-1.txt (Links to External Site)
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Cause:
Access control error, State error
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Underlying OS:
Linux (Any)
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Message History:
None.
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Source Message Contents
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Date: Mon, 22 Feb 2010 20:06:15 +0000
Subject: KDE KRunner
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http://www.kde.org/info/security/advisory-20100217-1.txt
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