Microsoft Office Publisher File Conversion TextBox Processing Buffer Overflow VulnerabilityZDI-10-069: April 13th, 2010
TippingPoint™ IPS Customer ProtectionTippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 9676. For further product information on the TippingPoint IPS:
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 ResponseMicrosoft has issued an update to correct this vulnerability. More details can be found at:
2009-11-06 - Vulnerability reported to vendor
2010-04-13 - Coordinated public release of advisory
CreditThis vulnerability was discovered by:
Lionel d'Hauenens (www.laboskopia.com)