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Insecure Library Loading
Highly critical

Xvid Avi File Parsing Array Indexing Vulnerability

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Release Date:  2007-06-20    Last Update:  2007-07-02    Views:  14,199

Secunia Advisory SA25711

Where:

From remote

Impact:

DoS, System access

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


Trixter Jack has reported a vulnerability in the Xvid library, which can be exploited by malicious people to compromise an application using the library.

The vulnerability is caused due to an array indexing error in the "get_intra_block()" function within src/bitstream/mbcoding.c while processing Xvid Avi files. This can be exploited to corrupt memory via a specially crafted file.

Successful exploitation may allow execution of arbitrary code.

The vulnerability reportedly also affects the "get_inter_block_h263()" and "get_inter_block_mpeg()" functions.

The vulnerability is reported in version 1.1.2. Prior versions may also be affected.


Solution:
Update to version 1.1.3.

Provided and/or discovered by:
Trixter Jack

Original Advisory:
Xvid:
http://www.xvid.org/News.64.0.html?&cHash=1a2bdeb89d&tx_ttnews[backPid]=64&tx_ttnews[tt_news]=4

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Xvid Avi File Parsing Array Indexing Vulnerability

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