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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.

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Vulnerability Assessment Details

IIS perl.exe problem

Vulnerability Assessment Summary
Attempts to find the location of the remote web root

Detailed Explanation for this Vulnerability Assessment

It was possible to obtain the physical location of a
virtual web directory of this host by issuing the command :

GET /scripts/no-such-file.pl HTTP/1.0

A possible hacker may use this flaw to gain more information about the remote
host, and hence make more focused attacks.

Solution : Use perlis.dll instead of perl.exe.
Network Security Threat Level: Low

Networks Security ID: 194

Vulnerability Assessment Copyright: This script is Copyright (C) 1999 Renaud Deraison

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