Advisory Details

August 5th, 2009

Microsoft Internet Explorer getElementsByTagName Memory Corruption Vulnerability

ZDI-09-047
ZDI-CAN-483

CVE ID CVE-2009-1918
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 8360. 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 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 appending of elements to an invalid object. When appending malformed elements to a empty DIV element memory corruption can occur. A properly constructed web page can result in remote code execution under the context of the current user.

VENDOR RESPONSE Microsoft has issued an update to correct this vulnerability. More details can be found at:
http://www.microsoft.com/technet/security/Bulletin/MS09-034.mspx
DISCLOSURE TIMELINE
  • 2009-04-28 - Vulnerability reported to vendor
  • 2009-08-05 - Coordinated public release of advisory
CREDIT wushi&ling of team509
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