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Q214802: WinNT Lets You Paste Text into Unlock Workstation Dialog Box

Article: Q214802
Product(s): Microsoft Windows NT
Version(s): winnt:3.51,4.0
Operating System(s): 
Keyword(s): kbWinNT400sp5fix
Last Modified: 16-MAY-2002

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The information in this article applies to:

- Microsoft Windows NT Server, Enterprise Edition version 4.0 
- Microsoft Windows NT Workstation versions 3.51, 4.0 
- Microsoft Windows NT Server versions 3.51, 4.0 
- Microsoft Windows NT Server version 4.0, Terminal Server Edition 
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SYMPTOMS
========

A problem in Windows NT enables someone with physical access to the console of a
Windows NT system where a user is currently logged on and the console is locked
to retrieve the first line of text from the logged on user's clipboard. This is
done by pasting (pressing CTRL+V) the clipboard contents into the User name
field of the Unlock Workstation dialog box. Microsoft has not received any
reports of adverse effects as a result of this issue.

Terminal Server connections are not affected by this bug, although the Terminal
Server console would be.

RESOLUTION
==========

Windows NT 4.0
--------------

Windows NT 4.0 with Service Pack 4:

To resolve this problem, obtain the latest service pack for Windows NT 4.0 or the
individual software update. For information on obtaining the latest service
pack, please go to:

- http://www.microsoft.com/windows/servicepacks/

-or-

- Q152734 How to Obtain the Latest Windows NT 4.0 Service Pack

For information on obtaining the individual software update, contact Microsoft
Product Support Services. For a complete list of Microsoft Product Support
Services phone numbers and information on support costs, please go to the
following address on the World Wide Web:

  http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS

This hotfix has been posted to the following Internet location as :

  

  ftp://ftp.microsoft.com/bussys/winnt/winnt-public/fixes/usa/NT40/hotfixes-postSP4/Gina-fix/

Windows NT 4.0 with Service Pack 3:

This hotfix has been posted to the following Internet location as :

  

  ftp://ftp.microsoft.com/bussys/winnt/winnt-public/fixes/usa/NT40/hotfixes-postSP3/Gina-fix/

WARNING: If you install the SP3 version of this hotfix you may invalidate other
Post-SP3 hotfixes that also include the replacement of Msgina.dll in the
%Windows%\System32 folder. To eliminate the vulnerabilities identified in this
fix and other Post-SP3 fixes, please install Service Pack 4 and then apply the
Post-SP4 version of this hotfix.


Windows NT Server 4.0, Terminal Server Edition
----------------------------------------------

To resolve this problem, obtain the latest service pack for Windows NT Server
4.0, Terminal Server Edition. For additional information, please see the
following article in the Microsoft Knowledge Base:

  Q152734 How to Obtain the Latest Windows NT 4.0 Service Pack

This hotfix has been posted to the following Internet location as :

  

  ftp://ftp.microsoft.com/bussys/winnt/winnt-public/fixes/usa/NT40TSE/hotfixes-postSP3/Gina-fix/


Windows NT 3.51
---------------

A hotfix is not available for Windows NT 3.51.

STATUS
======

Microsoft has confirmed this to be a problem in Windows NT 3.51 and 4.0 and
Windows NT Server 4.0, Terminal Server Edition. This problem was first corrected
in Windows NT Server 4.0, Terminal Server Edition Service Pack 4 and Windows NT
4.0 Service Pack 5.

MORE INFORMATION
================

Gina-fix also resolves the problem discussed in the following article in the
Microsoft Knowledge Base:

  Q188700 Screensaver Password Works Even if Account Is Locked Out

Additional query words: 3.51 4.00 sp1 sp2 sp3 sp4 tse wts

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Keywords          : kbWinNT400sp5fix 
Technology        : kbWinNTsearch kbWinNTWsearch kbWinNTW400 kbWinNTW400search kbWinNT351search kbWinNT400search kbWinNTW351search kbWinNTW351 kbWinNTSsearch kbWinNTSEntSearch kbWinNTSEnt400 kbWinNTS400search kbWinNTS400 kbWinNTS351 kbNTTermServ400 kbNTTermServSearch kbWinNTS351search
Version           : winnt:3.51,4.0
Hardware          : ALPHA x86
Issue type        : kbbug
Solution Type     : kbfix

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