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Malicious user with physical access to a computer can acquire cached domain password

Article ID:168115
Last Review:January 19, 2007
Revision:3.7
This article was previously published under Q168115
This information does not apply to Microsoft Windows 98 Second Edition.

SYMPTOMS

If your computer runs Windows 95 or Windows 98 for use as a network workstation, it may be possible for a malicious user to acquire your network password. This attack would require that the malicious user have physical access to your computer at some point after you log on to a server or domain, but before the machine had been rebooted. While a program can be used to read the cached password, doing so requires physical access to your computer when it is not protected by a screen saver password and you must be running the Microsoft Client for Microsoft Networks.

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RESOLUTION

If you are running Windows 98:

The following file is available for download from the Microsoft Download Center:
Download 168115us8.exe now (http://download.microsoft.com/download/win98/update/168115/w98/en-us/168115us8.exe)
For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 (http://support.microsoft.com/kb/119591/) How to obtain Microsoft support files from online services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

If you are running Windows 95 or Windows 95 OEM Service Release versions 1, 2, 2.1, or 2.5:

The following file is available for download from the Microsoft Download Center:
Download 168115us5.exe now (http://download.microsoft.com/download/win95/update/168115/w95/en-us/168115us5.exe)
For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 (http://support.microsoft.com/kb/119591/) How to obtain Microsoft support files from online services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.
File nameVersionDateTimeSizePlatform
Msnp32.dll4.00.95711/13/9812:42am67,584 bytesWindows 95
Msnp32.dll4.10.200011/17/982:55am67,584 bytesWindows 98

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STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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MORE INFORMATION

For more information about issues resolved by updates to thesecomponents, click the following article numbers to view the articles in the Microsoft Knowledge Base:
178824 (http://support.microsoft.com/kb/178824/) Error message: Your password is too short
175051 (http://support.microsoft.com/kb/175051/) Windows 95 roaming profiles do not work
176543 (http://support.microsoft.com/kb/176543/) Windows 95 client is unable to receive roaming profiles
For more information about Windows 95 updates, click the following article number to view the article in the Microsoft Knowledge Base:
161020 (http://support.microsoft.com/kb/161020/) Implementing Windows 95 updates
For related information on this problem, please visit the following Microsoft Web site:
http://www.microsoft.com/technet/security/Bulletin/MS99-052.mspx (http://www.microsoft.com/technet/security/Bulletin/MS99-052.mspx)
For additional security-related information about Microsoft products, please visit the following Microsoft Web site:
http://www.microsoft.com/security/ (http://www.microsoft.com/security/)
For more information about Windows 98 and Windows 98 Second Edition hotfixes, click the following article number to view the article in the Microsoft Knowledge Base:
206071 (http://support.microsoft.com/kb/206071/) General information about Windows 98 and Windows 98 Second Edition hotfixes

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APPLIES TO
Microsoft Windows 98 Standard Edition
Microsoft Windows 95

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Keywords: 
kbdownload kbgraphxlinkcritical kbqfe kbenv kbprb kbhotfixserver KB168115

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