also @ TechSpot: Microsoft liberates 2 million PCs from malicious Citadel botnets

Flaw in ISAPI Extension for Windows Media Services

By Thomas McGuire

On June 4, 2003, 4:54 PM

There is a flaw in the way in which nsiislog.dll processes incoming requests. A vulnerability exists because an attacker could send specially formed communications to the server that could cause IIS to fail or execute code on the user's system.

Affected Software:
Microsoft Windows NT 4.0
Microsoft Windows 2000

Patch availability
Download locations for this patch

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