Advisory Details

April 13th, 2010

Microsoft Office Publisher File Conversion TextBox Processing Buffer Overflow Vulnerability

ZDI-10-069
ZDI-CAN-612

CVE ID CVE-2010-0479
CVSS SCORE 10.0, (AV:N/AC:L/Au:N/C:C/I:C/A:C)
AFFECTED VENDORS Microsoft
AFFECTED PRODUCTS Office Publisher
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: http://www.tippingpoint.com
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:
http://www.microsoft.com/technet/security/bulletin/ms10-023.mspx
DISCLOSURE TIMELINE
  • 2009-11-06 - Vulnerability reported to vendor
  • 2010-04-13 - Coordinated public release of advisory
CREDIT Lionel d'Hauenens (www.laboskopia.com)
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