Re: [Full-disclosure] Linux + bash and a silver fork

On 8/27/07, Niko Lilja <niko.lilja@xxxxxxxxx> 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:

:() { :&:; } ;:

This is just a fork bomb, set ulimit -u to something sane.
Also see http://en.wikipedia.org/wiki/Fork_bomb

Almost as the ascii would be smiling..

- N


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--
Thomas Coppi

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