Re: FreeBSD Security Advisory FreeBSD-SA-02:27.rc

From: Jacques A. Vidrine (nectar@freebsd.org)
Date: 05/29/02 

Date: Wed, 29 May 2002 16:03:34 -0500
From: "Jacques A. Vidrine" <nectar@freebsd.org>
To: "Crist J. Clark" <cjc@freebsd.org>

On Wed, May 29, 2002 at 01:38:52PM -0700, Crist J. Clark wrote:
> > /bin/sh -c 'echo -e "/.X11-unix/s/^/#/\nw\nq\n" | /bin/ed -s /etc/rc'
>
> Ick. How about,
>
> # /usr/bin/printf "/.X11-unix/s/^/#/\nw\nq\n" | /bin/ed -s /etc/rc
>
> Next time?

*shrug* One could prescribe any number of alternatives to achieve the
modification. I chose this way, because /bin/sh and /bin/ed are both
statically linked and should always be available on all systems in
single user mode. It seems unlikely that this will be an issue for
anyone, but hey - you never know.

Cheers, 

-- 
Jacques A. Vidrine <n@nectar.cc>                 http://www.nectar.cc/
NTT/Verio SME          .     FreeBSD UNIX     .       Heimdal Kerberos
jvidrine@verio.net     .  nectar@FreeBSD.org  .          nectar@kth.se
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