Title: Microsoft Windows NT 4.0 HostAnnouncement DoS Vulnerability
Severity: MODERATE
Description:
Microsoft Windows NT 4.0's implementation of the Computer Browser protocol does not control the amount of entries the Master Browser will allow to be added to the browse list. Therefore, a malicious user may send a significant amount of false HostAnnouncement frames to the Master Browser. This may flood the Master Browser with false HostAnnouncement requests which would either cause a denial of service in both the Master Browser and any client performing a network browse or at the least consume a considerable amount of network bandwidth.
Affected Products:
- Microsoft Windows NT 4.0
- Microsoft Windows NT 4.0 alpha
- Microsoft Windows NT Enterprise Server 4.0
- Microsoft Windows NT Server 4.0
- Microsoft Windows NT Terminal Server 4.0
- Microsoft Windows NT Workstation 4.0
References:
- Microsoft: Frequently Asked Questions: Microsoft Security Bulletin (MS00-036)
- Microsoft: Q263307: Excessive Browser Announcements May Force Computer Shutdown
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