Inge Henriksen has discovered a vulnerability in Microsoft Internet Information Services (IIS), which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a vulnerable system.
The vulnerability is caused due to a boundary error in the Internet Information Services 5.1 URL parser and can be exploited via a specially crafted URL request.
Successful exploitation requires that "[dir]" is a virtual directory configured with "Scripts & Executables" execution permissions.
NOTE: IIS will automatically restart after a crash.
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Subject: Microsoft Windows XP IIS URL Request Handling Vulnerability
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