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CERT Coordination Center

Microsoft Windows Universal Plug and Play (UPNP) vulnerable to buffer overflow via malformed advertisement packets

Vulnerability Note VU#951555

Original Release Date: 2001-12-20 | Last Revised: 2001-12-21


A buffer overflow in Universal Plug and Play (UPnP) service on Microsoft Windows XP, Microsoft Windows ME, and Microsoft Windows 98 permits an intruder to run arbitrary code on vulnerable systems.


Universal Plug and Play (UPnP) is a system to allow network devices to operate together. A vulnerability in the Microsoft Windows XP and Windows ME implementation of UPnP may permit an intruder to execute arbitrary code with SYSTEM privileges. Additionally, Windows 98 and Windows 98SE may be affected if you have installed the Windows XP Internet Connection Sharing client. These vulnerabilities were discovered by Eeye Digital Security. For more information, see


An intruder can run arbitrary code in the local SYSTEM security context.


Apply a patch as described in MS01-059.

Vendor Information

Affected   Unknown   Unaffected


Updated:  December 20, 2001



Vendor Statement


Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.


The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us email.

CVSS Metrics

Group Score Vector
Base N/A N/A
Temporal N/A N/A
Environmental N/A



Our thanks to Eeye Digital Security, who discovered the problem, and Microsoft for the information contained in their bulletins.

This document was written by Shawn Hernan.

Other Information

CVE IDs: CVE-2001-0876
Severity Metric: 51.64
Date Public: 2001-12-20
Date First Published: 2001-12-20
Date Last Updated: 2001-12-21 04:58 UTC
Document Revision: 7

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