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Title:  NTLMSSP Privilege Elevation Vulnerability
Date:           07 February 2001
Software:       Windows NT 4.0
Impact: Privilege Elevation
Bulletin:       MS01-008

Microsoft encourages customers to review the Security Bulletin at:
http://www.microsoft.com/technet/security/bulletin/ms01-008.asp
- ---------------------------------------------------------------------

Issue:
======
A flaw in the NTLM Security Support Provider (NTLMSSP) service could
potentially allow a non-administrative user to gain administrative
control over the system. In order to perform this attack the user
would need a valid login account and the ability to execute arbitrary
code on the system.

Mitigating Controls:
====================
 - This vulnerability could only be exploited by an attacker
   who could log onto the affected machine interactively.

 - Servers could only be affected if the attacker were given the
   ability to load a program of her choice onto the machine and
   execute it locally.  Best practices recommend against this.

Patch Availability:
===================
 - A patch is available to fix this vulnerability. Please read the
   Security Bulletin
   http://www.microsoft.com/technet/security/bulletin/ms01-008.asp
   for information on obtaining this patch.

Acknowledgment:
===============
 - Todd Sabin of BindView (http://razor.bindview.com)

- ----------------------------------------------------------------------

THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED
"AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL
WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY
DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL,
CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF
MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION
OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO
THE FOREGOING LIMITATION MAY NOT APPLY.


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