Microsoft Office 2007 Office Art Shape Record Hierarchy Parsing Remote Code Execution VulnerabilityZDI-11-346: December 13th, 2011
TippingPoint™ IPS Customer ProtectionTippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 11931. For further product information on the TippingPoint IPS:
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Office 2007. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within how the application processes a shape record hierarchy. Due to the application not properly checking the types of elements within containers, the application will incorrectly modify a property of the object. This modification can be used to cause memory corruption of the type which can lead to code execution under the context of the application.
Vendor ResponseMicrosoft has issued an update to correct this vulnerability. More details can be found at:
2011-06-29 - Vulnerability reported to vendor
2011-12-13 - Coordinated public release of advisory
CreditThis vulnerability was discovered by: