Article View: comp.sys.next.sysadmin
Article #182Re: ROM Password
From: Paul Woods
Date: Wed, 22 Jul 1992 21:37
Date: Wed, 22 Jul 1992 21:37
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2235 bytes
In article <1992Jul16.152222.25152@ni.umd.edu> louie@sayshell.umd.edu (Louis A.
Mamakos) writes:
> In article <1992Jul15.212656.27446@leland.Stanford.EDU> m@crito.Stanford.EDU
(M Carling) writes:
>
> >Officially, resetting the ROM password (without having the old one) can
> >only be performed by a trained service technician. The reason for this is
> >that thieves would have an easier time selling their wares if knowledge of
> >the procedure were widespread.
>
> Where in the world did you get the idea that the hardware password was
> a theft deterrent? It certainly isn't an effective one if all you
> have to do is remove the battery for an hour.
>
> The reason a hardware password on the NeXT is there for the same
> reason it is on Sun platforms: to prevent people with physical access
> to the machine from booting it into single-user mode. Once in single
> user mode and running as root you bypass most of the security
> mechanisms provided by the operating system and NFS (No File
> Security).
>
> louie
Anyone that is going to steal a next probably already knows how to remove the
rom password. You do not even have to take the battery out for an hour or so.
You could wipe out the password in a matter of seconds.
I like your meaning of NFS (No File Security) Its not just NFS that has some
major holes. I know someone (not me) that has found a way to gain root on almost
any NeXT, even without an account on the machine. It was submitted to NeXT
(because it is actually pretty simple) I hope that they fix it before 3.0 ships.
Paul-
--
____________________________________
Paul R. Woods
University of Chicago
Technical Details
Message-ID:
<1992Jul22.213720.19160@midway.uchicago.edu>Path:
arc1-ca.pugleaf.net!sparky!uunet!darwin.sura.net!mips!zaphod.mps.ohio-state.edu!pacific.mps.ohio-state.edu!linac!uchinews!newsReferences:
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Newsgroups: comp.sys.next.sysadmin Path: arc1-ca.pugleaf.net!sparky!uunet!darwin.sura.net!mips!zaphod.mps.ohio-state.edu!pacific.mps.ohio-state.edu!linac!uchinews!news From: eer1@midway.uchicago.edu(Paul Woods) Subject: Re: ROM Password Message-ID: <1992Jul22.213720.19160@midway.uchicago.edu> Sender: news@uchinews.uchicago.edu (News System) Reply-To: eer1@midway.uchicago.edu Organization: University of Chicago Computing Organizations References: <1992Jul16.152222.25152@ni.umd.edu> Date: Wed, 22 Jul 1992 21:37:20 GMT Lines: 43