TippingPoint Zero Day Initiative

Microsoft Internet Explorer 8 Rows Property Dangling Pointer Code Execution Vulnerability

ZDI-09-041: June 10th, 2009


Affected Vendors

Affected Products

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Internet Explorer 8. User interaction is required to exploit this vulnerability in that the target must visit a malicious page.

The specific flaw exists during the rendering of an HTML page with malformed row property references, resulting in a dangling pointer which can be abused to execute arbitrary code. Internet Explorer 7 is not affected.

Vendor Response

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

Disclosure Timeline

    2009-03-19 - Vulnerability reported to vendor
    2009-06-10 - Coordinated public release of advisory


This vulnerability was discovered by: