Vulnerability Note VU#547028

Microsoft Windows contains buffer overflow in processing of WMF and EMF image formats

Overview

A vulnerability exists in the APIs that handle Microsoft Windows Metafiles (WMF) and Enhanced Metafiles (EMF) image formats. Exploitation may lead to an attacker executing arbitrary code on the system.

I. Description

The code that renders Windows Metafiles (WMF) and Enhanced Metafiles (EMF) image formats contains a heap overflow vulnerability. Many program can be used to render WMF or EMF files and can be used to exploit this vulnerability. If the attacker can trick the victim into opening a maliciously crafted file, then the attacker maybe able to exploit this vulnerability to compromise the system. The following systems are affected by this issue:

Windows 2000
Windows XP
Windows NT 4.0
II. Impact
An attacker may be able to execute arbitrary code on the system with the privileges of the current user.
III. Solution
Apply a patch from the vendor

Microsoft Security Bulletin MS04-011 contains patch information to resolve this issue.

Systems Affected

Vendor	Status	Date Updated
Microsoft Corporation	Vulnerable	14-Apr-2004

References

http://www.eeye.com/html/Research/Advisories/AD20040413F.html
http://www.microsoft.com/technet/security/bulletin/ms04-011.mspx

Credit

Thanks to Microsoft and eEye Digital Security for reporting this vulnerability.

This document was written by Jason A Rafail.

Other Information

Date Public	04/13/2004
Date First Published	04/14/2004 01:51:10 AM
Date Last Updated	04/14/2004
CERT Advisory
CVE Name	CAN-2003-0906
Metric	0.00
Document Revision	5

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