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Insecure Library Loading
Highly critical

Microsoft DirectX SAMI/WAV/AVI File Parsing Vulnerabilities

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Description


Two vulnerabilities have been reported in Microsoft DirectX, which can be exploited by malicious people to compromise a user's system.

1) A boundary error in quartz.dll when parsing SAMI (Synchronized Accessible Media Interchange) files can be exploited to cause a stack-based buffer overflow when opening a specially crafted file.

Successful exploitation allows execution of arbitrary code.

The vulnerability has been reported in DirectX 7.0 and 8.1. Later versions are not affected.

2) An error within the DirectShow technology when parsing AVI and WAV files can be exploited to execute arbitrary code on a user's system when e.g. visiting a malicious website.

The vulnerability has been reported in DirectX 7.0 through 10.0.


Solution:
Apply patches.

Further details available to Secunia VIM customers

Provided and/or discovered by:
1) Jun Mao, VeriSign iDefense Labs.
2) The vendor credits Peter Winter-Smith, NGSSoftware.

Original Advisory:
MS07-064 (KB941568):
http://www.microsoft.com/technet/security/Bulletin/MS07-064.mspx

iDefense Labs:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=632

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: Microsoft DirectX SAMI/WAV/AVI File Parsing Vulnerabilities

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