Subject: Re: bin/4489: /usr/games/fish allows setuid games binaries to be created by unprivileged user
To: Jon Ribbens <jon@oaktree.co.uk>
From: Andrew Brown <codewarrior@daemon.org>
List: tech-security
Date: 11/18/1997 18:07:36
>> >This isn't just an esoteric problem. I wonder how many people have
>> >'fortune' in their /etc/profile? Wouldn't take you long to get a root shell.
>>
>> This is a bit of a red herring; fortune(6) isn't controlled by dm.
>
>Oh, um, you're right. I was sure I'd checked that ;-) :(.
but...as was already pointed out, fortune is *owned* by games. get
the games uid, usurp the binary, get root after the next time root
logs in (assuming that fortune is run from /etc/profile or
/etc/csh.login).
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