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TLP:WHITE

Alert (TA05-312A)

Microsoft Windows Image Processing Vulnerabilities

Original release date: November 08, 2005

Systems Affected

  • Microsoft Windows 2000
  • Microsoft Windows XP
  • Microsoft Windows Server 2003
For more complete information, refer to Microsoft Security Bulletin MS05-053.

Overview

Microsoft has released updates that address critical vulnerabilities in Windows graphics rendering services. A remote, unauthenticated attacker exploiting these vulnerabilities could execute arbitrary code or cause a denial of service on an affected system.

Description

The Microsoft Security Bulletin for November 2005 addresses multiple buffer overflows in Windows image processing routines. Viewing a specially crafted image from an application that uses a vulnerable routine may trigger these vulnerabilities. If this application can access images from remote sources, such as web sites or email, then remote exploitation is possible.

Further information is available in the following US-CERT Vulnerability Notes:

VU#300549 - Microsoft Windows Graphics Rendering Engine buffer overflow vulnerability

Microsoft Windows Graphics Rendering Engine contains a buffer overflow that may allow a remote attacker to execute arbitrary code on a vulnerable system.
(CVE-2005-2123)

VU#433341 - Microsoft Windows vulnerable to buffer overflow via specially crafted "WMF" file

Microsoft Windows may be vulnerable to remote code execution via a buffer overflow in the Windows Metafile image format handling.
(CVE-2005-2124)

VU#134756 - Microsoft Windows buffer overflow in Enhanced Metafile rendering API

Microsoft Windows Enhanced Metafile Format image rendering routines contain a buffer overflow flaw that may allow an attacker to cause a denial-of-service condition.
(CVE-2005-0803)

Impact

A remote, unauthenticated attacker exploiting these vulnerabilities could execute arbitrary code with the privileges of the user. If the user is logged on with administrative privileges, the attacker could take control of an affected system. An attacker may also be able to cause a denial of service.

Solution

Apply Updates

Microsoft has provided the updates to correct these vulnerabilities in Microsoft Security Bulletin MS05-053. These updates are also available on the Microsoft Update site.


Appendix A. References


Feedback can be directed to the US-CERT Technical Staff.

Revision History

  • November 08, 2005: Initial release

    Last updated

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