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Extremely critical

Microsoft Windows Vector Markup Language Vulnerabilities

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Description


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

1) An integer overflow error in the Vector Markup Language (VML) implementation when processing recolorinfo sections can be exploited to cause a heap-based buffer overflow via e.g. a specially crafted web page or HTML e-mail.

Successful exploitation allows execution of arbitrary code.

NOTE: According to Microsoft, this vulnerability is being actively exploited.

2) A signedness error in the Vector Markup Language (VML) implementation when handling shape types can be exploited to reference user-controlled memory and cause a memory corruption, which may allow execution of arbitrary code.


Solution:
Apply patches.

Further details available to Secunia VIM customers

Provided and/or discovered by:
1) Jospeh Moti
2) Discovered internally by the vendor.

Original Advisory:
MS07-004 (KB929969):
http://www.microsoft.com/technet/security/Bulletin/MS07-004.mspx

iDefense Labs:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=462

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 Windows Vector Markup Language Vulnerabilities

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