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Microsoft Security Bulletin (MS00-072)
From: Microsoft Product Security <secnotif () MICROSOFT COM>
Date: Tue, 10 Oct 2000 19:28:18 -0700
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----- Microsoft Security Bulletin (MS00-072) - -------------------------------------- Patch Available for "Share Level Password" Vulnerability Originally posted: October 10, 2000 Summary ======= Microsoft has released a patch that eliminates a security vulnerability in Microsoft(r) Windows 95, 98, 98SE, and Windows Me. The vulnerability could allow a malicious user to programmatically access a Windows 9x/ME file share without knowing the entire password assigned to that share. Frequently asked questions regarding this vulnerability and the patch can be found at http://www.microsoft.com/technet/security/bulletin/fq00-072.asp Issue ===== Microsoft Windows 9x/Me provides a password protection feature referred to as (share level access) for the File and Print Sharing service. However, due to the way the password feature is currently implemented, a file share could be compromised, by a malicious user who used a special client utility, without that user knowing the entire password required to access that share. Only share level access permissions are vulnerable. If a Windows 9x or Windows Me machine were part of a Windows NT domain, user-level access controls could be enforced on file shares and passwords would not be needed to allow access to those shares. Windows NT and Windows 2000 machines can only be setup with user-level file share access controls and are not susceptible to this vulnerability. Affected Software Versions ========================== Microsoft Windows 95 Microsoft Windows 98 Microsoft Windows 98 Second Edition Microsoft Windows Me Patch Availability ================== Microsoft Windows 95 Patch available shortly Microsoft Windows 98 and 98 Second Edition http://download.microsoft.com/download/win98SE/Update/11958/W98/EN-US/ 273991USA8.EXE Microsoft Windows Me http://download.microsoft.com/download/winme/Update/11958/WinMe/EN-US/ 273991USAM.EXE Note Additional security patches are available at the Microsoft Download Center More Information ================ Please see the following references for more information related to this issue. Frequently Asked Questions: Microsoft Security Bulletin MS00-072, http://www.microsoft.com/technet/security/bulletin/fq00-072.asp Microsoft Knowledge Base article Q273991 discusses this issue and will be available soon. Microsoft TechNet Security web site, http://www.microsoft.com/technet/security/default.asp Obtaining Support on this Issue =============================== This is a fully supported patch. Information on contacting Microsoft Product Support Services is available at http://support.microsoft.com/support/contact/default.asp. Acknowledgments =============== Microsoft thanks Nsfocus Security Team (http://www.nsfocus.com) for reporting this issue to us and working with us to protect customers. Revisions October 10, 2000: Bulletin Created. 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. Last Updated October 10, 2000 (c) 2000 Microsoft Corporation. All rights reserved. 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