Article ID: 303984 - Last Review: October 27, 2006 - Revision: 5.1 MS01-043: NNTP Service in Windows 2000 Contains a Memory LeakThis article was previously published under Q303984 For additional information about a similar problem that may occur in Microsoft Windows NT 4.0, click the following article number to view the article in the Microsoft Knowledge Base: 304876
(http://support.microsoft.com/kb/304876/EN-US/
)
NNTP Service in Windows NT 4.0 Contains Memory Leak On This PageSYMPTOMS
The Network News Transfer Protocol (NNTP) service in Windows 2000 contains a memory leak in a routine that processes news postings. Each time a posting that contains a particular construction is processed, the memory leak causes a small amount of memory to no longer be available for use. If an attacker were to send a large number of posts, the server memory could be depleted to the point that normal service would be disrupted. An affected server could be restored to normal service by rebooting the server.
Mitigating Factors
RESOLUTIONTo resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the
Microsoft Knowledge Base:
260910
(http://support.microsoft.com/kb/260910/EN-US/
)
How to Obtain the Latest Windows 2000 Service Pack
The following files are available for download from the Microsoft
Download Center:Collapse this image  Collapse this image Collapse this image Collapse this image Collapse this image Collapse this image Collapse this image Collapse this image Collapse this image Collapse this image Collapse this image Collapse this image Collapse this image Collapse this image Collapse this image Collapse this image Collapse this image Collapse this image Collapse this image Collapse this image Collapse this image Collapse this image 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.
The English version of this fix should have the following file attributes or later:
Date Time Version Size File name ------------------------------------------------------- 18-Jul-2001 13:28 5.0.2195.3881 610,576 Nntpsvc.dll STATUSMicrosoft has confirmed that this problem may cause a degree of security vulnerability in Microsoft Windows 2000. This problem was first corrected in Windows 2000 Service Pack 3. MORE INFORMATION
For more information about this vulnerability, visit the following Microsoft Web site:
http://www.microsoft.com/technet/security/bulletin/MS01-043.mspx
(http://www.microsoft.com/technet/security/bulletin/MS01-043.mspx)
For additional information about how to obtain a hotfix for Windows 2000 Datacenter Server, click the article number below
to view the article in the Microsoft Knowledge Base:
265173
(http://support.microsoft.com/kb/265173/EN-US/
)
The Datacenter Program and Windows 2000 Datacenter Server Product
For additional information about how to install multiple hotfixes with only one reboot, click the article number below
to view the article in the Microsoft Knowledge Base:
296861
(http://support.microsoft.com/kb/296861/EN-US/
)
Use QChain.exe to Install Multiple Hotfixes with One Reboot
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