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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

CERN httpd CGI name heap overflow

Vulnerability Assessment Summary
Ask for a too long CGI name containing a dot

Detailed Explanation for this Vulnerability Assessment
It was possible to kill the remobe
web server by requesting
GET /cgi-bin/A.AAAA[...]A HTTP/1.0

This is known to trigger a heap overflow in some servers like
CERN HTTPD.
A cracker may use this flaw to disrupt your server. It *might*
also be exploitable to run malicious code on the machine.

Solution : Ask your vendor for a patch or move to another server

Network Security Threat Level: High

Networks Security ID:

Vulnerability Assessment Copyright: This script is Copyright (C) 2005 Michel Arboi

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