ZDI-09-047: Microsoft Internet Explorer getElementsByTagName Memory
Corruption Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-09-047
August 5, 2009

-- CVE ID:
CVE-2009-1918

-- Affected Vendors:
Microsoft

-- Affected Products:
Microsoft Internet Explorer

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TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 8360.
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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 to exploit this vulnerability in that the target
must visit a malicious page.

The specific flaw exists in the appending of elements to an invalid
object. When appending malformed elements to a empty DIV element memory
corruption can occur. A properly constructed web page can result in
remote code execution under the context of the current 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/MS09-034.mspx

-- Disclosure Timeline:
2009-04-28 - Vulnerability reported to vendor
2009-08-05 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * wushi & ling of team509

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