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Malformed Embedded Windows Media Player 7 "OCX Attachment" Vulnerability
From: USSR Labs <labs () USSRBACK COM>
Date: Fri, 29 Sep 2000 10:41:21 -0700

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Malformed Embedded Windows Media Player 7 "OCX Attachment"
Vulnerability

USSR Advisory Code:  USSR-2000053

Public Disclosure Date:

September 26, 2000

Vendors Affected:

Microsoft Corporation
http://www.microsoft.com

Systems Affected:

Outlook 2000
Microsoft Windows Media Player 7

Problem:

The USSR Team has found a problem in the Windows Media Player 7
ActiveX control, which could be used in a denial of service attack
against RTF-enabled e-mail clients such as Outlook 2000 and Outlook
Express.

If the affected control were programmatically embedded into an RTF
mail and then sent to another user, the user's mail client would
fail when he closed/moved the mail.

Note:

We take no responsibility for this code.  It is for educational
purposes only.

Exploit:


Malformed WMP Embedded RTF/Email Spawner.

Windows Console Version:
http://www.ussrback.com/wmp/wmpoutlook.exe

Windows Console Version Source:
http://www.ussrback.com/wmp/wmpoutlook.zip


Data of Vendor Notification:

08-19-2000

Status:

More Information:

http://www.microsoft.com/technet/security/bulletin/ms00-068.asp

Microsoft Security Bulletin MS00-068: Frequently Asked Questions,
http://www.microsoft.com/technet/security/bulletin/fq00-068.asp

http://www.microsoft.com/windows/windowsmedia/en/default.asp

Fix:

http://www.microsoft.com/Downloads/Release.asp?ReleaseID=24421

Related Links:

Underground Security Systems Research:
http://www.ussrback.com

CrunchSp Product:
http://www.crunchsp.com


Copyright (c) 1999-2000 Underground Security Systems Research.
Permission is hereby granted for the redistribution of this alert
electronically. It is not to be edited in any way without explicit
consent of USSR. If you wish to reprint whole or any part of this
alert in any other medium excluding electronic medium, please e-mail
labs () ussrback com for permission.

Disclaimer:
The information within this paper may change without notice. We may
not be held responsible for the use and/or potential effects of these
programs or advisories.  Use them and read them at your own risk or
not at all. You solely are responsible for this judgment.

Feedback:

If you have any questions, comments, concerns, updates, or
suggestions
please feel free to send them to:

Underground Security Systems Research
mail:labs () ussrback com
http://www.ussrback.com

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