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Microsoft Windows Terminal Server Patch Unspecified Denial Of Service Vulnerability

Risk

Medium

Date Discovered

May 11, 2004

Description

The Terminal Server patch issued in Microsoft advisory MS01-052 has been found to be prone to an unspecified denial of service vulnerability. The affected patch was originally issued to deal with the issue outlined in the Microsoft Windows 2000/NT Terminal Server Service RDP DoS Vulnerability (BID 3445). This issue could be leveraged to cause the affected server to stop responding, denying service to legitimate users.

Technologies Affected

  • Microsoft Q307454
  • Microsoft Q307454 NT

Recommendations

Block external access at the network boundary, unless external parties require service.

If the system is not required to be globally accessible, it is advised that access to it be restricted to only trusted hosts and networks.
Microsoft has issued a patch dealing with this issue. Please see the referenced vendor web advisory for more information and details on obtaining fixes.

Credits

This issue was disclosed in the referenced vendor advisory.
Copyright © Symantec Corporation.
Permission to redistribute this alert electronically is granted as long as it is not edited in any way unless authorized by Symantec Security Response. Reprinting the whole or part of this alert in any medium other than electronically requires permission from secure@symantec.com.

Disclaimer
The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There are no warranties with regard to this information. Neither the author nor the publisher accepts any liability for any direct, indirect, or consequential loss or damage arising from use of, or reliance on, this information.
Symantec, Symantec products, Symantec Security Response, and secure@symantec.com are registered trademarks of Symantec Corp. and/or affiliated companies in the United States and other countries. All other registered and unregistered trademarks represented in this document are the sole property of their respective companies/owners.

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