Microsoft DirectX RLE Compressed Targa Image Processing Buffer Overflow

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Secunia Advisory: SA26131
Release Date: 2007-07-19

Critical: Highly critical
Impact: System access
Where: From remote
Solution Status: Vendor Patch

Software:
Microsoft DirectX 7.x
Microsoft DirectX 8.x
Microsoft DirectX 9.x
Microsoft DirectX SDK

CVE reference: CVE-2006-4183 (Secunia mirror)




Description:
A vulnerability has been reported in Microsoft DirectX, which can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to an input validation error when processing RLE compressed Targa images. This can be exploited to cause a heap-based buffer overflow via a specially crafted Targa image.

Successful exploitation allows execution of arbitrary code.

The vulnerability is reported in Microsoft's DirectX SDK and End-User Runtimes dated February 2006. Other versions may also be affected.

Solution:
Update to the October 2006 SDK and End-User Runtime release or later.



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