Date: Mon, 3 May 1999 18:40:01 -0700 (PDT) From: Chris Costello <chris@holly.dyndns.org> To: freebsd-bugs@FreeBSD.org Subject: Re: misc/11475: Possible security hazard? Message-ID: <199905040140.SAA05331@freefall.freebsd.org>
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The following reply was made to PR misc/11475; it has been noted by GNATS.
From: Chris Costello <chris@holly.dyndns.org>
To: "G. Adam Stanislav" <adam@whizkidtech.net>
Cc: FreeBSD-gnats-submit@FreeBSD.ORG
Subject: Re: misc/11475: Possible security hazard?
Date: Mon, 3 May 1999 20:31:40 -0500
On Mon, May 3, 1999, G. Adam Stanislav wrote:
>
> >Number: 11475
> >Category: misc
> >Synopsis: Any user can reboot
> >Confidential: no
> >Severity: non-critical
> >Priority: low
> >Responsible: freebsd-bugs
> >State: open
> >Quarter:
> >Keywords:
> >Date-Required:
> >Class: sw-bug
> >Submitter-Id: current-users
> >Arrival-Date: Mon May 3 18:20:01 PDT 1999
> >Closed-Date:
> >Last-Modified:
> >Originator: G. Adam Stanislav
> >Release: FreeBSD 3.1-RELEASE i386
> >Organization:
> Whiz Kid Technomagic
> >Environment:
>
> FreeBSD 31.-RELEASE, local console
>
> >Description:
>
> While only a superuser can execute the reboot command, any user can
> accomplish the same thing by pressing ctl-alt-delete.
*Sigh*, had you read the LINT kernel config or the man page:
options SC_DISABLE_REBOOT # disable reboot key sequence
syscons, sc - the console driver
SYNOPSIS
options "MAXCONS=N"
options "SC_DISABLE_REBOOT"
^^^^^^^^^^^^^^^^^
[...]
SC_DISABLE_REBOOT
This option disables the ``reboot'' key (by default, it is Ctl-
Alt-Del ), so that the casual user may not accidentally reboot the
system.
>
> >How-To-Repeat:
>
> Log on as an ordinary user and press ctl-alt-delete.
>
> >Fix:
>
> Unknown
>
>
> >Release-Note:
> >Audit-Trail:
> >Unformatted:
>
>
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>
--
Chris Costello <chris@calldei.com>
The next generation of computers will have a "Warranty Expired" interrupt.
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