ZDI-07-074: Microsoft Internet Explorer Node Manipulation Memory 
Corruption Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-07-074.html
December 11, 2007

-- CVE ID:
CVE-2007-3903

-- Affected Vendor:
Microsoft

-- Affected Products:
Internet Explorer 6
Internet Explorer 7

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 5823, 5824. 
For further product information on the TippingPoint IPS:

    http://www.tippingpoint.com 

-- Vulnerability Details:
This vulnerability allows 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 flaw exists due to improper use of the "cloneNode" and "nodeValue"
javascript functions. When a specially crafted element is used during a
repetitive call to one of these functions memory corruption can occur
leading to remote code execution.

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

http://www.microsoft.com/technet/security/bulletin/ms07-069.mspx

-- Disclosure Timeline:
2007.05.22 - Vulnerability reported to vendor
2007.12.11 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by Sam Thomas.

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