Penetration Testing mailing list archives

Re: nikto, n-stealth can crash the web-server?


From: Christoph Puppe <puppe () hisolutions com>
Date: Fri, 14 Jul 2006 23:07:56 +0200

Salve Matthias,

it sometimes happens, that a scan craches a service. This can happen with
any type of scann. If a service is not robust enough to withstand a simple
scann, take it down and replace it with something more trustworthy.

The reasing behind this is easy, if you can crash it, everybody can crash
it. A internet deployed service should be able to survive some scans.

Matthias Heinrich wrote:

Hello to all,

 
I'm trying to find out if web-scanners like n-stealth or nikto can crash the
web-server and why. By searching in the scan-db of nikto I found no tests
that could cause a buffer overflow or DoS. Maybe the flooding of requests
itself can cause the server to crash?!

When you ever had the experience that one of the scanners has crashed a
server I would really like to know which test has caused that. When I'm
going to test the productive web-servers I must be very sure they are still
available for the users of the web-applications. 

By the way, is there any comparison available for both scanners? They really
seem to be very similar in what they do?!
 

Thanx, Maze





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-- 
Mit freundlichen Grüßen

Christoph Puppe
Security Consultant


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Choice Award from eWeek. As attacks through web applications continue to rise, 
you need to proactively protect your applications from hackers. Cenzic has the 
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managed service (Cenzic ClickToSecure) or an enterprise software 
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