Article ID: 294472
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Index Server 2.0 has an unchecked buffer in a function that processes search requests. If an overly long value is provided for a particular search parameter, it overruns the buffer. If the buffer is overrun with random data, it causes Index Service to fail. If it is overrun with carefully selected data, code of the attacker's choice can be made to run on the server in the Local System security context.
Windows NT 4.0To 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:
299444The following file is available for download from the Microsoft Download Center:
(http://support.microsoft.com/kb/299444/EN-US/ )Post-Windows NT 4.0 Service Pack 6a Security Rollup Package (SRP)
For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base:
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119591Microsoft 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 version of this fix should have the following file attributes or later:
(http://support.microsoft.com/kb/119591/EN-US/ )How to Obtain Microsoft Support Files from Online Services
NOTE: Due to file dependencies, this hotfix requires Microsoft Windows NT 4.0 Service Pack 4 or later.
Date Time Version Size File name -------------------------------------------------- 04/10/2001 06:19p 5.0.1781.3 870,672 Query.dll
Microsoft Windows NT Server version 4.0, Terminal Server EditionTo 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:
(http://support.microsoft.com/kb/317636/EN-US/ )Windows NT Server 4.0, Terminal Server Edition, Security Rollup Package
Microsoft has confirmed that this problem may cause a degree of security vulnerability in Index Server 2.0.
For more information about this vulnerability, see the following Microsoft Web site: