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Date:      Fri, 11 Aug 2000 23:09:10 +0200
From:      Neil Blakey-Milner <nbm@mithrandr.moria.org>
To:        Dima Ruban <dima@rdy.com>
Cc:        Peter Wemm <peter@netplex.com.au>, Christopher Masto <chris@netmonger.net>, "Chris D. Faulhaber" <jedgar@fxp.org>, Warner Losh <imp@FreeBSD.org>, cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/gnu/usr.bin/perl Makefile
Message-ID:  <20000811230910.A58926@mithrandr.moria.org>
In-Reply-To: <200008112102.OAA19233@sivka.rdy.com>; from dima@rdy.com on Fri, Aug 11, 2000 at 02:02:13PM -0700
References:  <200008112058.NAA92441@netplex.com.au> <200008112102.OAA19233@sivka.rdy.com>

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On Fri 2000-08-11 (14:02), Dima Ruban wrote:
> > > How do you see that resulting in _more_ security holes?
> > > If /usr/bin/suidperl doesn't exist and some program referes to it, it will
> > > give you "command not found" (or similar) message.
> > 
> > Because people start writing setuid "#! /bin/suidsh -p" scripts instead.
> > And that is outright suicidal as it is guaranteed exploitable.  It is also
> > the very reason that suidperl exists.
> 
> Following that logic people will nuke /usr/bin/su and replace it with suid to
> root shell. People don't do it. They aren't _that_ stupid.

If you didn't provide su, they would.  That's the point.

Neil
-- 
Neil Blakey-Milner
Sunesi Clinical Systems
nbm@mithrandr.moria.org


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