ZDI-09-086: Microsoft Internet Explorer XHTML DOM Manipulation Memory Corruption Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-09-086
December 8, 2009

-- CVE ID:
CVE-2009-3671

-- Affected Vendors:
Microsoft

-- Affected Products:
Microsoft Internet Explorer 8

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-- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of Microsoft Internet Explorer. User
interaction is required in that a user must visit a malicious web page.

The specific flaw exists in the manipulation and parsing of certain HTML
tags. The ordering of various objects in a malformed way results in
memory corruption resulting in a call to a dangling pointer which can be
further leveraged via a heap spray. Exploitation of this vulnerability
will lead to remote system compromise under the credentials of the
currently logged in user.

-- Vendor Response:
Microsoft has issued an update to correct this vulnerability. More
details can be found at:

http://www.microsoft.com/technet/security/bulletin/ms09-072.mspx

-- Disclosure Timeline:
2009-06-23 - Vulnerability reported to vendor
2009-12-08 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Sam Thomas of eshu.co.uk

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