Article ID: 265714 - Last Review: March 1, 2007 - Revision: 7.2 MS00-095: Windows NT 4.0 SNMP registry entries are readableThis article was previously published under Q265714 For more information about how to resolve this problem in Microsoft Windows 2000, click the following article number to view the article in the Microsoft Knowledge Base: 266794
(http://support.microsoft.com/kb/266794/
)
Windows 2000 SNMP registry entries are saved in plain text format and are readable
On This PageSYMPTOMS
Microsoft has released a tool that corrects the permissions on several registry values in Microsoft Windows NT 4.0. The default permissions could allow a malicious user to gain additional privileges on an affected machine. After you create the PermittedManagers and ValidCommunities registry keys for the Simple Network Management Protocol (SNMP) service, any user has permission to read the contents of the keys. The keys should only be accessible to administrators. SNMP is not installed on Windows NT 4.0 computers by default. For more information about other registry keys that are affected by this tool, click the following article numbers to view the articles in the Microsoft Knowledge Base: 267861
(http://support.microsoft.com/kb/267861/
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MS00-095: RAS registry modification allowed without administrative rights
267864
(http://support.microsoft.com/kb/267864/
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MS00-095: MTS package administration key includes information about users
RESOLUTIONWindows NT 4.0To resolve this problem, obtain the individual package referenced below or obtain the Windows NT 4.0 Security Rollup Package. For more information about this package, click the following article number to view the article in the Microsoft Knowledge Base:299444
(http://support.microsoft.com/kb/299444/
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Post-Windows NT 4.0 Service Pack 6a Security Rollup Package (SRP)
The following file is available for download from the Microsoft Download Center:Collapse this image  For additional 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/EN-US/
)
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 to prevent any unauthorized changes to the file.
Note Because of file dependencies, this patch requires Windows NT 4.0 Service Pack 5 or later.The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel. Date Time Size File name Platform --------------------------------------------------- 06/23/2000 08:28p 42,256 Regacl40.exe Intel 06/23/2000 08:28p 161,040 Tcpcfg.dll Intel 06/23/2000 08:27p 96,016 Regacl40.exe Alpha 06/23/2000 08:26p 242,960 Tcpcfg.dll Alpha Windows NT Server 4.0, Terminal Server EditionA supported hotfix is now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that you determine are at risk of attack. Evaluate the computer's physical accessibility, network and Internet connectivity, and other factors to determine the degree of risk to the computer. See the associated Microsoft Security Bulletin (http://www.microsoft.com/technet/security/bulletin/MS00-095.mspx) to help determine the degree of risk. This hotfix may receive additional testing. If the computer is sufficiently at risk, we recommend that you apply this hotfix now.To resolve this problem immediately, download the hotfix by following the instructions later in this article or contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site: http://support.microsoft.com/contactus/?ws=support
(http://support.microsoft.com/contactus/?ws=support)
Note In special cases, charges that are ordinarily incurred for support calls may be canceled, if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question. The following file is available for download from the Microsoft Download Center:Collapse this image 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.
The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.Date Time Size File name Platform --------------------------------------------------- 07/26/2000 04:46p 42,256 regacl40.exe Intel 02/19/2001 03:39p 161,040 tcpcfg.dll Intel STATUSWindows NT 4.0Microsoft has confirmed that this problem may cause a degree of security vulnerability in Windows NT 4.0.Windows NT Server 4.0, Terminal Server EditionMicrosoft has confirmed that this problem may cause a degree of security vulnerability in Windows NT Server 4.0, Terminal Server Edition.MORE INFORMATION
For more information about this vulnerability, see the following Microsoft Web site:
http://www.microsoft.com/technet/security/bulletin/MS00-095.mspx
(http://www.microsoft.com/technet/security/bulletin/MS00-095.mspx)
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