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Category:   Application (Generic)  >   imlib2 Vendors:   [Multiple Authors/Vendors]
imlib2 BMP Decoding Buffer Overflow May Let Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1011105
SecurityTracker URL:  http://securitytracker.com/id/1011105
CVE Reference:   CVE-2004-0802   (Links to External Site)
Date:  Aug 31 2004
Impact:   Denial of service via network, Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  Exploit Included:  Yes  
Version(s): 1.1.1 and prior versions
Description:   A vulnerability was reported in imlib2 in the processing of BMP images. A remote user can cause imlib2 to crash or potentially execute arbitrary code.

The vendor reported that a remote user can create a specially crafted BMP image file containing runlength-encoded images that, when decoded by the target user, will cause imlib2 to crash.

Marcus Meissner discovered this vulnerability.

A demonstration exploit image from Chris Evans is available at:

http://bugzilla.gnome.org/attachment.cgi?id=30933&action=view

Impact:   A remote user can create a BMP file that, when decoded by the target user, will cause imlib2 to crash. It may also be possible to cause arbitrary code to be executed. The specific impact depends on the application using imlib2.
Solution:   A fix is available via CVS:

http://cvs.sourceforge.net/viewcvs.py/enlightenment/e17/

Cause:   Boundary error

Message History:   This archive entry has one or more follow-up message(s) listed below.
Sep 8 2004 (Mandrake Issues Fix) imlib2 BMP Decoding Buffer Overflow May Let Remote Users Execute Arbitrary Code
Mandrake has released a fix.
Sep 19 2004 (Sun Issues Fix for Sun Java Desktop System) imlib2 BMP Decoding Buffer Overflow May Let Remote Users Execute Arbitrary Code
Sun has issued a fix for Sun Java Desktop System (JDS).
Sep 23 2004 (Debian Issues Fix) imlib2 BMP Decoding Buffer Overflow May Let Remote Users Execute Arbitrary Code
Debian has released a fix.
Sep 28 2004 (Conectiva Issues Fix) imlib2 BMP Decoding Buffer Overflow May Let Remote Users Execute Arbitrary Code
Conectiva has released a fix.



 Source Message Contents



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