Microsoft Internet Explorer DOM Object substringData() Heap Overflow VulnerabilityZDI-08-039: June 10th, 2008
TippingPoint™ IPS Customer ProtectionTippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 6155. For further product information on the TippingPoint IPS:
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of various 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 substringData() method when called on a DOM object that has been manipulated in a special way. The attack results in an exploitable heap buffer allowing for code execution under the context of the current user.
Vendor ResponseMicrosoft has issued an update to correct this vulnerability. More details can be found at:
2008-02-07 - Vulnerability reported to vendor
2008-06-10 - Coordinated public release of advisory
CreditThis vulnerability was discovered by:
Sebastian Apelt (email@example.com)