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From: wswietse@svbs01.bs.win.tue.nl (Wietse Venema)
Newsgroups: comp.sys.alliant
Subject: Re: chmod set owner to root of scripts
Message-ID: <1595@svin02.info.win.tue.nl>
Date: 23 Nov 90 09:29:05 GMT
References: <1990Nov15.141015.25076@eagle.lerc.nasa.gov>
Sender: news@svin02.info.win.tue.nl
Reply-To: wswietse@bs.win.tue.nl
Lines: 15

xxrich@alliant1.lerc.nasa.gov (Rich Rinehart) writes:

#Could anyone shed some light on this and give me a workaround?  I am
#trying to set owner of a script to root, and it will not work:
#
#chmod 4555 <script name>   (<script name> is owned by root)
#
#then running <script name> from a general userid gives me:
#
#<script name>: Permission denied.

Good thing. Set-uid shell scripts are an evil thing. It takes just two
commands to fool the system into giving someone an interactive shell.
Hint: sh -i. Have a look at recent discussions in comp.unix.whatever
about this topic.