full-disclosure - Re: Linux + bash and a silver fork

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Date: Mon, 27 Aug 2007 14:11:24 -0400
From: Harry Hoffman <hhoffman@...solutions.net>
To: Niko Lilja <niko.lilja@...il.com>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: Linux + bash and a silver fork

Excellent discovery!

I think you should call it a "fork bomb"!

;-)


http://en.wikipedia.org/wiki/Fork_bomb



Niko Lilja wrote:
> Well, as has been said when you realize the truth that there is no 
> spoon, but instead there'll be a
> bunch of forks instead, at least in linux on bash shell, tested ubuntu 
> and RHEL this far.
> 
> By throwing a nice piece of line code as a command in bash shell (normal 
> user) you can pretty much
> crash the whole server cause denial of service by giving a command in bash:
> 
> :() { :&:; } ;:
> 
> 
> Almost as the ascii would be smiling..
> 
> - N
> 
> 
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