ZDI-06-041: Microsoft Internet Explorer CSS Float Property Memory Corruption Vulnerability http://www.zerodayinitiative.com/advisories/ZDI-06-041.html November 14, 2006
-- CVE ID: CVE-2006-4687
-- Affected Vendor: Microsoft
-- Affected Products: Internet Explorer 6
-- TippingPoint(TM) IPS Customer Protection: TippingPoint IPS customers have been protected against this vulnerability since October 10, 2006 by Digital Vaccine protection filter ID 4761. For further product information on the TippingPoint IPS:
-- 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 parsing of HTML CSS 'float' properties. By ordering specially crafted 'div' tags in a web page, 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:
-- Disclosure Timeline: 2006.07.18 - Vulnerability reported to vendor 2006.10.10 - Digital Vaccine released to TippingPoint customers 2006.11.14 - Coordinated public release of advisory
-- Credit: This vulnerability was discovered by Sam Thomas.
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