Microsoft Word Malformed Chart Code Execution Vulnerability
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
