Advisory Details

June 10th, 2008

Microsoft Internet Explorer DOM Object substringData() Heap Overflow Vulnerability

ZDI-08-039
ZDI-CAN-269

CVE ID CVE-2008-1442
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 6155. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS

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.

ADDITIONAL DETAILS Microsoft has issued an update to correct this vulnerability. More details can be found at:
http://www.microsoft.com/technet/security/Bulletin/MS08-031.mspx
DISCLOSURE TIMELINE
  • 2008-02-07 - Vulnerability reported to vendor
  • 2008-06-10 - Coordinated public release of advisory
CREDIT Anonymous
Peter Vreugdenhil
Sebastian Apelt (webmaster@buzzworld.org)
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