Microsoft Security Bulletin MS01-043
NNTP Service Contains Memory Leak
Originally posted: August 14, 2001
Updated: June 13, 2003
Who should read this bulletin:
System administrators offering newsgroup services via Microsoft® Windows NT® 4.0, Windows® 2000, or Exchange 2000.
Impact of vulnerability:
Denial of service.
System administrators should apply the patch immediately to affected systems.
- Microsoft Windows NT 4.0
- Microsoft Windows 2000
- Microsoft Exchange 2000
Microsoft thanks Aiden ORawe for reporting this issue to us and working with us to protect customers.
- Microsoft Knowledge Base article Q303984 discusses this issue and will be available approximately 24 hours after the release of this bulletin. Knowledge Base articles can be found on the Microsoft Online Support web site.
- Technical support is available from Microsoft Product Support Services. There is no charge for support calls associated with security patches.
Security Resources: The Microsoft TechNet Security Web Site provides additional information about security in Microsoft products.
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- V1.0 (August 14, 2001): Bulletin Created.
- V1.1 (August 15, 2001): Bulletin updated to note that normal service could be restored by cycling the IISAdmin service, to note that the Exchange NNTP service is affected by the vulnerability, and to clarify whether NNTP is installed by default in Windows NT 4.0 and 2000.
- V1.2 (June 13, 2003): Updated download links to Windows Update.