Date: Thu, 18 May 2000 20:38:30 +0200 From: Olaf Hoyer <ohoyer@fbwi.fh-wilhelmshaven.de> To: chat@FreeBSD.ORG Subject: Fwd: Is this a joke? Message-ID: <4.1.20000518203632.009d3be0@mail.rz.fh-wilhelmshaven.de>
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Hi! This is going around on some lists, maybe someone could comment on this, if there is a remote possibility about that? Regards Olaf Hoyer >To: altcpu-list@topica.com >From: "Michael J. Miller Jr." <mke@turbolift.com> >Subject: Is this a joke? >Date: Thu, 18 May 2000 10:30:44 -0700 >Reply-To: altcpu-list@topica.com >X-Topica-Loop: 700002820 > >Anyone here know anything about this? Seems a bit far-fetched, and >VERY scary if true. > >>From: Fred Cohen <fc@all.net> >>MIME-Version: 1.0 >>Mailing-List: list iwar@egroups.com; contact iwar-owner@egroups.com >>Delivered-To: mailing list iwar@egroups.com >>Precedence: bulk >>List-Unsubscribe: <mailto:iwar-unsubscribe@egroups.com> >>Date: Mon, 15 May 2000 20:53:44 -0700 (PDT) >>Reply-To: iwar@egroups.com >>Subject: [iwar] News >>Status: RO >> >>Here's something I heard today - from a very reliable source: >> >>In order to allow application programs to access the display memory >>without operating system intervention, an undocumented hardware >>instruction on Pentium class Intel processors and possibly other >>'compatable' processor architectures has been included to grant >>user-level processes direct access to the real memory of the central >>processor. This means that a user process can read directly from or >>write directly to system memory. the net effect is that any user who >>can run a program of their devising on one of these computers is >>guaranteed to be able to take over the system and do whatever they wish >>- regardless of the operating system - and regardless of any add-on >>precautions at the software level. > <signatures snipped> -------- Olaf Hoyer www.nightfire.de mailto:Olaf.Hoyer@nightfire.de FreeBSD- Turning PC's into workstations ICQ:22838075 Liebe und Hass sind nicht blind, aber geblendet vom Feuer, dass sie selber mit sich tragen. (Nietzsche) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-chat" in the body of the message
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