Title: Microsoft IIS Failure To Log Undocumented TRACK Requests Vulnerability
Severity: HIGH
Description:
Microsoft IIS is a web server implementation for Microsoft Windows systems. It has been reported that Microsoft IIS ships with support for an undocumented 'TRACK' HTTP request. 'TRACK' functions in a similar manner to the 'TRACE' HTTP request.
A vulnerability has been reported to affect Microsoft IIS. It has been reported that IIS fails to log HTTP TRACK requests made to the affected server. A remote attacker may exploit this condition in order to enumerate server banners in a covert manner; these scans will not be logged and may go unnoticed by the server administrator. Additionally it has been reported that an attacker may potentially leverage this condition to exhaust resources on the affected server by invoking multiple successive TRACK requests in a bid to deny service to legitimate users. Other attacks, for example XST attacks, might also be possible.
It should be noted that while this vulnerability has been reported to affect Microsoft IIS 5.0, earlier versions might also be affected.
Affected Products:
- Microsoft IIS 5.0
- Microsoft Windows 2000 Advanced Server
- Microsoft Windows 2000 Professional
- Microsoft Windows 2000 Server
References:
- Parcifal Aertssen: Microsoft IIS Logging Failure
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