MS99-055: Malformed Resource Enumeration Arguments May Cause Named Pipes and Other System Services to Fail

View products that this article applies to.

This article was previously published under Q246045

SYMPTOMS

Windows NT clients are unable to gain access to shared file resources or make other named pipe connections to a Windows NT-based server or workstation after the following error message is generated by the Dr. Watson utility:

Access violation c0000005 in Services.exe

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CAUSE

This behavior occurs because a malformed packet causes Srvsvc.dll to reference an invalid memory location.

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RESOLUTION

Windows NT 4.0

To resolve this problem, obtain the individual package referenced below or obtain the Windows NT 4.0 Security Rollup Package. For additional information on the SRP, click the article number below to view the article in the Microsoft Knowledge Base:

299444 (http://support.microsoft.com/kb/299444/EN-US/ ) Post-Windows NT 4.0 Service Pack 6a Security Rollup Package (SRP)

The following files are available for download from the Microsoft Download Center:

Intel:

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Download Q246045.exe now (http://www.microsoft.com/Downloads/details.aspx?displaylang=en&FamilyID=F8D74A28-D7A7-4209-8251-C031C4EF72A6)
Alpha:

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Download Q246045.exe now (http://www.microsoft.com/Downloads/details.aspx?displaylang=en&FamilyID=7585F05A-7089-4D29-96BE-FDC52AE2D2C5)

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. The English-language version of this fix should have the following file attributes or later:

   Date      Time                 Size     File name     Platform
   --------------------------------------------------------------
   11/22/1999 10:59a              146,704  Srvsvc.dll    Alpha
   11/22/1999 10:59a               99,600  Srvsvc.dll    i386

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Microsoft Windows NT Server version 4.0, Terminal Server Edition

To resolve this problem, obtain the Windows NT Server 4.0, Terminal Server Edition, Security Rollup Package (SRP). For additional information about the SRP, click the article number below to view the article in the Microsoft Knowledge Base:

317636 (http://support.microsoft.com/kb/317636/EN-US/ ) Windows NT Server 4.0, Terminal Server Edition, Security Rollup Package

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STATUS

Windows NT Server or Workstation 4.0

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

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Windows NT Server 4.0, Terminal Server Edition

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

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MORE INFORMATION

For more information on this vulnerability, see the following Microsoft Web site:

http://www.microsoft.com/technet/security/bulletin/ms99-055.mspx (http://www.microsoft.com/technet/security/bulletin/ms99-055.mspx)

If you suspect that an RFPoison attack has occurred and your Dr. Watson information is consistent with the attack, an analysis of the User.dmp log file may confirm the attack. The User.dmp file is created in the %SystemRoot% folder when Services.exe stops working if the Create Crash Dump File check box is selected in Drwtsn32.exe.

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