VUPEN Security - Microsoft Office Word Document Parsing Buffer Overflow Vulnerability

2009-06-14T00:00:00
ID SECURITYVULNS:DOC:22002
Type securityvulns
Reporter Securityvulns
Modified 2009-06-14T00:00:00

Description

VUPEN Security Research Advisory - VUPEN-SR-2008-06

Advisory URL: http://www.vupen.com/english/advisories/2009/1546

June 9, 2009

I. BACKGROUND

Microsoft Office Word, included in the Microsoft Office system, is a powerful authoring program that gives you the ability to create and share documents by combining a comprehensive set of writing tools with the easy-to-use Microsoft Office Fluent user interface.

II. DESCRIPTION

VUPEN Security discovered a critical vulnerability affecting Microsoft Office Word.

This vulnerability is caused by a buffer overflow error within the parsing of certain data within a Word file, which could allow attackers to execute arbitrary code by tricking a user into opening a specially crafted document.

III. AFFECTED PRODUCTS

According to the vendor, the following products are affected:

  • Microsoft Office Word 2007 Service Pack 2
  • Microsoft Office Word 2007 Service Pack 1
  • Microsoft Office Word 2002 Service Pack 3
  • Microsoft Office for Mac 2004
  • Microsoft Office for Mac 2008
  • Open XML File Format Converter for Mac
  • Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats Service Pack 1 and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats Service Pack 2

IV. Exploit Codes & PoC

Fully functional remote code execution exploit codes have been developed by VUPEN Security and are available with the in-depth binary analysis of the vulnerability through the VUPEN Exploits & PoCs Service.

http://www.vupen.com/exploits

V. SOLUTION

Apply patch MS09-027 : http://www.microsoft.com/technet/security/bulletin/ms09-027.mspx

VI. CREDIT

Thse vulnerability was discovered by Nicolas JOLY of VUPEN Security

VII. REFERENCES

http://www.vupen.com/english/advisories/2009/1546 http://www.microsoft.com/technet/security/bulletin/ms09-027.mspx http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0565

VIII. DISCLOSURE TIMELINE

28/11/2008 - Vendor notified 28/11/2008 - Vendor response 20/01/2009 - Status update received 09/06/2009 - Coordinated public Disclosure