From bgreenbaum@SECURITYFOCUS.COM Thu Feb 8 11:44:22 2001 From: Ben Greenbaum X-Sender: To: BUGTRAQ@SECURITYFOCUS.COM Date: Wed, 7 Feb 2001 16:38:41 -0700 Subject: [BUGTRAQ] Microsoft Security Bulletin MS01-008 (fwd) ---------- Forwarded message ---------- From: Microsoft Product Security The following is a Security Bulletin from the Microsoft Product Security Notification Service. Please do not reply to this message, as it was sent from an unattended mailbox. ******************************** -----BEGIN PGP SIGNED MESSAGE----- - --------------------------------------------------------------------- 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. -----BEGIN PGP SIGNATURE----- Version: PGP Personal Privacy 6.5.3 iQEVAwUBOoHQDI0ZSRQxA/UrAQEYsAf+P433UquQRAqZRjPNGISjtT6NfI9ahVqp 7BYcOpkzNca2xox4e4My1ErNLJQvMjW9qWR/S6vuwW3qx7UymFDh2wReRujxNZWj 2B32SrWQTAwSZCvJZXWwVAQ0/Ad6YsZtSG0SmAnLJbXiWLhPmDpU1ewuvricHFoU YixcN5wuAStMQc1ieK0jkI4UJRXXEzqxvWIgtC1TbC6m5MGYR/jXGONBQIsK66a9 gEbElK8oBIlX5nwBZR7K+5nHZrAmSy/pewSJLdUC2H68eKd/mPurMZtW7LpLRMuQ QoZBtJrUzhf8xGYdyis5p1P5WL/LalE9xqQ/R6NfHjFQ92fxQlEKhw== =BjqE -----END PGP SIGNATURE----- ******************************************************************* You have received this e-mail bulletin as a result of your registration to the Microsoft Product Security Notification Service. You may unsubscribe from this e-mail notification service at any time by sending an e-mail to MICROSOFT_SECURITY-SIGNOFF-REQUEST@ANNOUNCE.MICROSOFT.COM The subject line and message body are not used in processing the request, and can be anything you like. To verify the digital signature on this bulletin, please download our PGP key at http://www.microsoft.com/technet/security/notify.asp. For more information on the Microsoft Security Notification Service please visit http://www.microsoft.com/technet/security/notify.asp. For security-related information about Microsoft products, please visit the Microsoft Security Advisor web site at http://www.microsoft.com/security.