Subject: Re: bin/4489: /usr/games/fish allows setuid games binaries to be created by unprivileged user
To: Mike Long <mikel@shore.net>
From: Rick Byers <rickb@iaw.on.ca>
List: tech-security
Date: 11/18/1997 18:35:11
On Tue, 18 Nov 1997, Mike Long wrote:
> >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.
But fortune is owned by the user games, so once access to the games
account is obtained, fortune can be replaced with a trojan. Many people
(like me) have fortune in their .profile.
Rick
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University of Waterloo, Computer Science (905)714-1400
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