TippingPoint Zero Day Initiative
 

Microsoft Office 2007 Office Art Shape Record Hierarchy Parsing Remote Code Execution Vulnerability

ZDI-11-346: December 13th, 2011

CVE ID

CVSS Score

Affected Vendors

Affected Products

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 11931. For further product information on the TippingPoint IPS:

Vulnerability Details


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 Response

Microsoft has issued an update to correct this vulnerability. More details can be found at:
Microsoft has issued an update to correct this vulnerability. More details can be found at:

Disclosure Timeline

    2011-06-29 - Vulnerability reported to vendor
    2011-12-13 - Coordinated public release of advisory

Credit

This vulnerability was discovered by:
    Anonymous