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Category:   Application (Generic)  >   KDE Vendors:   KDE.org
KDE langen2kvtml Temporary File Flaw May Let Local Users Gain Elevated Privileges
SecurityTracker Alert ID:  1014675
SecurityTracker URL:  http://securitytracker.com/id/1014675
CVE Reference:   CVE-2005-2101   (Links to External Site)
Updated:  Jun 8 2008
Original Entry Date:  Aug 15 2005
Impact:   Modification of system information, Modification of user information, User access via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 3.0 - 3.4.2
Description:   A vulnerability was reported in KDE in langen2kvtml. A local user can obtain elevated privileges.

langen2kvtml processes temporary files in an unsafe manner. A local user can create a symbolic link (symlink) from a critical file on the system to a predictable temporary file in '/tmp' to be used by langen2kvtml. Then, when a target user runs langen2kvtml, the symlinked file may be overwritten with the privileges of the target user.

Ben Burton notified the vendor of this vulnerability. Javier Fernandez-Sanguino Pena discovered this vulnerability.

Impact:   A local user may be able to obtain elevated privileges on the target system.
Solution:   The vendor has issued a patch:

Patch for KDE 3.4.2 is available from
ftp://ftp.kde.org/pub/kde/security_patches :

0e82c5810df3b04370188ba13cc50203 post-3.4.2-kdeedu.diff

Vendor URL:  www.kde.org/info/security/advisory-20050815-1.txt (Links to External Site)
Cause:   Access control error, State error
Underlying OS:  Linux (Any)

Message History:   None.


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