Date: Tue, 4 Nov 1997 17:24:51 -0500 (EST) From: Garrett Wollman <wollman@khavrinen.lcs.mit.edu> To: security@freebsd.org Subject: FreeBSD Security Advisory: FreeBSD-SA-97:05.open Message-ID: <199711042224.RAA17913@khavrinen.lcs.mit.edu> In-Reply-To: <199711041951.UAA02408@gvr.gvr.org> References: <199711041951.UAA02408@gvr.gvr.org>
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<<On Wed, 29 Oct 1997 20:01:00 +0100 (MET), FreeBSD Security Officer <security-officer@FreeBSD.ORG> said:
> III. Impact
> The problem can be used by any user on the system to do unauthorised
> io instructions.
One other impact which I have not seen mentioned yet should be
obvious: there is a potential DoS if an unfriendly user opens and
holds open an exclusive-open device (such as a tape drive) which is
necessary for system operation.
-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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