Microsoft Office RTF \stylesheet Control Word Buffer Overflow VulnerabilityTPTI-08-09: December 9th, 2008
TippingPoint™ IPS Customer ProtectionTippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 6599. For further product information on the TippingPoint IPS:
Vulnerability DetailsThis vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of multiple Microsoft products. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file or e-mail message.
The specific flaw exists in the function responsible for parsing the \stylesheet control word. If a specially crafted RTF file contains more than six \stylesheet control words a static buffer can be overflowed. Exploitation of this issue leads to arbitrary code execution under the context of the user accessing the file.
Vendor ResponseMicrosoft has issued an update to correct this vulnerability. More details can be found at:
2008-07-08 - Vulnerability reported to vendor
2008-12-09 - Coordinated public release of advisory