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[SA11746] Windows 2000 Expired Password Domain Authentication Security Issue

From: Secunia Security Advisories (sec-advsecunia.com)
Date: Tue Jun 01 2004 - 04:03:52 CDT

TITLE:
Windows 2000 Expired Password Domain Authentication Security Issue

SECUNIA ADVISORY ID:
SA11746

VERIFY ADVISORY:
http://secunia.com/advisories/11746/

CRITICAL:
Less critical

IMPACT:
Security Bypass

WHERE:
From local network

OPERATING SYSTEM:
Microsoft Windows 2000 Advanced Server
Microsoft Windows 2000 Professional
Microsoft Windows 2000 Server

DESCRIPTION:
A security issue has been discovered in Windows 2000, which may allow
bypassing certain security restrictions.

The problem is that accounts with expired passwords still in certain
circumstances can log on to a Windows 2000 domain.

Successful exploitation requires that the FQDN (Fully Qualified
Domain Name) is exactly 8 characters long.

SOLUTION:
Microsoft has issued a hotfix.

Customers, who are affected by this issue, is advised to contact
Microsoft Product Support Services in order to obtain the hotfix.
http://support.microsoft.com/default.aspx?scid=fh;[LN];CNTACTMS

PROVIDED AND/OR DISCOVERED BY:
Albatross

ORIGINAL ADVISORY:
Microsoft KB Article 830847:
http://support.microsoft.com/default.aspx?scid=kb;en-us;830847

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