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Date:      Sat, 28 Feb 1998 13:33:18 -0500 (EST)
From:      Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
To:        dima@best.net
Cc:        freebsd-security@FreeBSD.ORG
Subject:   Re: OpenBSD Security Advisory: mmap() Problem
Message-ID:  <199802281833.NAA13156@khavrinen.lcs.mit.edu>
In-Reply-To: <199802280428.UAA19048@burka.rdy.com>
References:  <199802280132.RAA00955@cwsys.cwsent.com> <199802280428.UAA19048@burka.rdy.com>

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<<On Fri, 27 Feb 1998 20:28:18 -0800 (PST), dima@best.net (Dima Ruban) said:

> This is not entirely correct. Take a look at OpenBSD's /etc/rc.securelevel.
> Everything that shoudl have write access to /dev/*mem should be started
> before securelevel is bumbed.

And then all you have to do is compromise one of those programs...

There is a legitimate purpose for starting programs that early, but I
don't think running an insecure X server is one of them.

-GAWollman

--
Garrett A. Wollman   | O Siem / We are all family / O Siem / We're all the same
wollman@lcs.mit.edu  | O Siem / The fires of freedom 
Opinions not those of| Dance in the burning flame
MIT, LCS, CRS, or NSA|                     - Susan Aglukark and Chad Irschick

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