Advisory Details

August 8th, 2006

Microsoft Internet Explorer CSS Class Ordering Memory Corruption Vulnerability

CVE ID	CVE-2006-3450
CVSS SCORE
AFFECTED VENDORS	Microsoft
AFFECTED PRODUCTS	Internet Explorer
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['4605']. 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 specific vulnerability exists due to improper handling of CSS class values. Accessing a specially crafted CSS element via document.getElementByID causes a memory corruption eventually leading to code execution.
ADDITIONAL DETAILS	Microsoft has issued an update to correct this vulnerability. More details can be found at: http://www.microsoft.com/technet/security/bulletin/MS06-042.mspx
DISCLOSURE TIMELINE	2006-06-14 - Vulnerability reported to vendor 2006-08-08 - Coordinated public release of advisory
CREDIT	Sam Thomas

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