TippingPoint Zero Day Initiative

Microsoft Office Publisher File Conversion TextBox Processing Buffer Overflow Vulnerability

ZDI-10-069: April 13th, 2010


CVSS Score

Affected Vendors

Affected Products

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 9676. 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. Exploitation requires user interaction in that a victim must open a malicious PUB file.

The specific flaw exists within the code responsible for converting files from the Publisher 97 format. While processing a TextBox item, several programming errors can be triggered allowing a maliciously created publisher file to execute arbitrary code under the context of the user opening the file.

Vendor Response

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

Disclosure Timeline

    2009-11-06 - Vulnerability reported to vendor
    2010-04-13 - Coordinated public release of advisory


This vulnerability was discovered by:
    Lionel d'Hauenens (www.laboskopia.com)