[65] in Security FYI

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Windows 95, 98, 98se and ME sharing vulnerability

daemon@ATHENA.MIT.EDU (Jonathan McIndoe Hunt)
Tue Oct 17 17:56:00 2000

Message-Id: <5.0.0.25.0.20001017171828.02806428@hesiod>
Date: Tue, 17 Oct 2000 17:53:39 -0400
To: security-fyi@mit.edu
From: Jonathan McIndoe Hunt <jmhunt@MIT.EDU>
Cc: security-internal@mit.edu
Mime-Version: 1.0
Content-Type: text/plain


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A vulnerability exists in the password verification scheme utilized by 
Microsoft Windows 9x NETBIOS protocol implementation. This vulnerability 
will allow any user to access the Windows 9x file shared service with 
password protection. Attackers don't have to know the share password. A 
complete description of the vulnerability is available at 
<http://www.nsfocus.com/english/homepage/sa_05.htm>.

A patch is available from Microsoft at 
<http://www.microsoft.com/technet/security/bulletin/MS00-072.asp>.

If you use or intend to use share level passwords on a Windows 9x system, 
you should apply the patch from Microsoft.

Jonathan

_____________________________________________
Jonathan McIndoe Hunt
W92-191 617.253.0172

Massachusetts Institute of Technology
Network Security Team <net-security@mit.edu>
http://web.mit.edu/net-security/
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