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Vulnerability Note VU#300549

Microsoft Windows Graphics Rendering Engine buffer overflow vulnerability

Overview

Microsoft Windows Graphics Rendering Engine contains a buffer overflow that may allow a remote attacker to execute arbitrary code on a vulnerable system.

I. Description

The Microsoft Windows Graphics Rendering Engine supports a number of image formats including Windows Metafile (WMF) and Enhanced Metafile (EMF). The Windows Graphics Rendering Engine fails to properly validate WMF and EMF image files. This may allow a remote attacker to manipulate memory allocation routines to create an under-sized buffer. When data is copied to this buffer, a heap-based buffer overflow may occur.

Note that according to public reports, this vulnerability may also affect the Graphical Device Interface (GDI) subsystem.

II. Impact

By persuading a user to open a specially crafted WMF or EMF image file, an attacker may be able to execute arbitrary code with the privileges of the user.

III. Solution

Apply an update

Microsoft has addressed this issue in Microsoft Security Bulletin MS05-053.

Do not accept WMF or EMF files from untrusted sources

By only accessing WMF or EMF image files from trusted or known sources, the chances of exploitation are reduced.

For additional workarounds and mitigating factors for this vulnerability, please see MS05-053.

Systems Affected

VendorStatusDate Updated
Microsoft CorporationVulnerable8-Nov-2005

References


http://www.microsoft.com/technet/security/Bulletin/MS05-053.mspx
http://www.eeye.com/html/research/advisories/AD20051108a.html

Credit

This vulnerability was reported in Microsoft Security Bulletin MS05-053. Microsoft credits eEye Digital Security and Symantec Security Response for

This document was written by Jeff Gennari.

Other Information

Date Public11/08/2005
Date First Published11/08/2005 03:28:59 PM
Date Last Updated02/08/2006
CERT Advisory 
CVE-ID(s)CVE-2005-2123
NVD-ID(s)CVE-2005-2123
US-CERT Technical Alerts 
Metric13.37
Document Revision15

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