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Date:      Fri, 21 May 1999 11:55:10 -0400 (EDT)
From:      Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
To:        wkt@cs.adfa.edu.au
Cc:        security@FreeBSD.ORG
Subject:   Lowering securelevel from console?
Message-ID:  <199905211555.LAA23107@khavrinen.lcs.mit.edu>
In-Reply-To: <199905210635.QAA10497@henry.cs.adfa.edu.au>
References:  <199905210635.QAA10497@henry.cs.adfa.edu.au>

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<<On Fri, 21 May 1999 16:35:11 +1000 (EST), Warren Toomey <wkt@henry.cs.adfa.edu.au> said:

> Now, are there any other reasons why lowering securelevel as root from
> the console (and no net connectivity) would be a BAD thing?

A rogue root process could use the debugger to take control of another
process (e.g., getty) and force it to disengage security.

-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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