Xvid Video Codec Macroblock Number Heap Buffer Overflow Vulnerability

Bugtraq ID:	35156
Class:	Boundary Condition Error
CVE:	CVE-2009-0893
Remote:	Yes
Local:	No
Published:	Jun 01 2009 12:00AM
Updated:	Jun 16 2009 08:59PM
Credit:	IBM X-Force
Vulnerable:	Xvid Xvid 1.2.1 Xvid Xvid 1.1.3 Xvid Xvid 1.1.2 Pardus Linux 2008 0
Not Vulnerable:	Xvid Xvid 1.2.2

Xvid Video Codec Macroblock Number Heap Buffer Overflow Vulnerability

The Xvid video codec is prone to a heap-based buffer-overflow vulnerability because the software fails to perform adequate boundary checks on user-supplied data.

An attacker can exploit this issue to execute arbitrary within the context of an application using the affected codec. Failed exploit attempts will result in a denial-of-service vulnerability.

Versions prior to Xvid 1.2.2 are vulnerable.

Xvid Video Codec Macroblock Number Heap Buffer Overflow Vulnerability

Currently we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Xvid Video Codec Macroblock Number Heap Buffer Overflow Vulnerability

Solution:
Vendor updates are available. Please see the references for details.


Xvid Xvid 1.1.2

• Xvid xvidcore-1.2.2.tar.gz
  http://downloads.xvid.org/downloads/xvidcore-1.2.2.tar.gz

Xvid Xvid 1.1.3

• Xvid xvidcore-1.2.2.tar.gz
  http://downloads.xvid.org/downloads/xvidcore-1.2.2.tar.gz

Xvid Xvid 1.2.1

• Xvid xvidcore-1.2.2.tar.gz
  http://downloads.xvid.org/downloads/xvidcore-1.2.2.tar.gz

Xvid Video Codec Macroblock Number Heap Buffer Overflow Vulnerability

References:

• Xvid 1.2.2 released (Xvid)
  
• Xvid Codec MBlock Indexing Buffer Overflow (IBM X-Force)
  
• Xvid Homepage (Xvid)