Microsoft Internet Explorer XHTML Rendering Memory Corruption Vulnerability

August 12th, 2008
ZDI-08-050 ZDI-CAN-322

CVE ID

CVE-2008-2257

CVSS Score

None None

Affected Vendors

Microsoft

Affected Products

Internet Explorer 7
Internet Explorer 6

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 handling of document objects. When an object is appended in a specific order, memory corruption occurs. Successful exploitation leads to remote compromise of the affected system under the credentials of the currently logged in 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/MS08-045.mspx

Disclosure Timeline

  • 2008-04-16 - Vulnerability reported to vendor
  • 2008-08-12 - Coordinated public release of advisory

Credit

Sam Thomas

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