Advisory Details

October 10th, 2006

Microsoft Word Malformed Chart Code Execution Vulnerability

ZDI-06-034
ZDI-CAN-061

CVE ID CVE-2006-3650
CVSS SCORE
AFFECTED VENDORS Microsoft
AFFECTED PRODUCTS Office Word
TREND MICRO CUSTOMER PROTECTION Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['4772']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS

This vulnerability allows attackers to execute arbitrary code on vulnerable installations of Microsoft Office. Exploitation requires that the attacker coerce the target user into opening a malicious .XLS file.

The specific flaw exists during the processing of malformed charts embedded within a Word document. Upon closing the document, certain pointers are corrupted with data direclty from the file. A later dereference of these corrupted pointers can result in code execution.

ADDITIONAL DETAILS Microsoft has issued an update to correct this vulnerability. More details can be found at:
http://www.microsoft.com/technet/security/Bulletin/MS06-062.mspx
DISCLOSURE TIMELINE
  • 2006-06-14 - Vulnerability reported to vendor
  • 2006-10-10 - Coordinated public release of advisory
CREDIT Arnaud Dovi 'class101' http://heapoverflow.com
BACK TO ADVISORIES