Vulnerability Note VU#692060

Microsoft Windows Media Player plug-in buffer overflow

Overview

The Microsoft Windows Media Player plug-in for browsers other than Internet Explorer contains a buffer overflow, which may allow a remote attacker to execute arbitrary code.

I. Description

Windows Media Player

Windows Media Player is a multimedia application that comes with Microsoft Windows.

Windows Media Player plug-in

The Windows Media Player plug-in allows web browsers other than Internet Explorer to use Windows Media Player. The plug-in is provided by the file npdsplay.dll. A web page can make use of the Windows Media Player plug-in through use of the EMBED tag.

The problem

The Windows Media Player plug-in contains a buffer overflow vulnerability.

Note: Exploit code for this vulnerability is publicly available.

II. Impact

By convincing a user to view a specially crafted HTML document (e.g., a web page or an HTML email message), an attacker may be able to execute arbitrary code with the privileges of the user. The attacker could also cause the browser (or any program using the Windows Media Player plug-in) to crash.

III. Solution

Apply an update

Apply the appropriate update, as specified in Microsoft Security Bulletin MS06-006. This update provides an updated version of npdsplay.dll.

Modify access control list for npdsplay.dll

Microsoft Security Bulletin MS06-006 includes instructions for modifying the access control list for npdsplay.dll as a workaround. This will prevent applications from using the Windows Media Player plug-in.

Systems Affected

Vendor	Status	Date Notified	Date Updated
Microsoft Corporation	Vulnerable	14-Feb-2006

References

http://www.microsoft.com/technet/security/bulletin/ms06-006.mspx
http://www.idefense.com/intelligence/vulnerabilities/display.php?id=393
http://secunia.com/advisories/18852/

Credit

This vulnerability was disclosed by Microsoft, who in turn credit John Cobb of iDefense for reporting the vulnerability.

This document was written by Will Dormann.

Other Information

Date Public:	2006-02-14
Date First Published:	2006-02-14
Date Last Updated:	2006-02-22
CERT Advisory:
CVE-ID(s):	CVE-2006-0005
NVD-ID(s):	CVE-2006-0005
US-CERT Technical Alerts:
Metric:	36.12
Document Revision:	9

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Produced 2006 by US-CERT, a government organization
Disclaimers and copyright information

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