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Family: Denial of Service --> Category: denial

NT IIS Malformed HTTP Request Header DoS Vulnerability Vulnerability Scan

Vulnerability Scan Summary
Performs a denial of service against IIS

Detailed Explanation for this Vulnerability Test

It was possible to crash the remote web server
by sending a malformed header request, like :

GET / HTTP/1.1
Host: aaaaaaaaaaaa... (200 bytes)
Host: aaaaaaaaaaaa... (200 bytes)
... 10,000 lines ...
Host: aaaaaaaaaaaa... (200 bytes)

This flaw allows a possible hacker to shut down your
webserver, thus preventing legitimate users from
connecting to your web server.

Solution : See
if you are using IIS. Or else, contact the vendor of
your web server and notify it of this flaw.

Threat Level: High

Bugtraq Id : 579

Click HERE for more information and discussions on this network vulnerability scan.


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