From owner-freebsd-chat Thu May 18 11:37:57 2000 Delivered-To: freebsd-chat@freebsd.org Received: from mail.rz.fh-wilhelmshaven.de (mail.rz.fh-wilhelmshaven.de [139.13.25.134]) by hub.freebsd.org (Postfix) with ESMTP id A1DD137B5C6 for ; Thu, 18 May 2000 11:37:53 -0700 (PDT) (envelope-from ohoyer@fbwi.fh-wilhelmshaven.de) Received: from fettesau.stuwo.fh-wilhelmshaven.de (stuwopc5.stuwo.fh-wilhelmshaven.de [139.13.209.5]) by mail.rz.fh-wilhelmshaven.de (8.9.3/8.9.3) with SMTP id UAA26228 for ; Thu, 18 May 2000 20:37:47 +0200 (MET DST) Message-Id: <4.1.20000518203632.009d3be0@mail.rz.fh-wilhelmshaven.de> X-Sender: ohoyer@mail.rz.fh-wilhelmshaven.de X-Mailer: QUALCOMM Windows Eudora Pro Version 4.1 Date: Thu, 18 May 2000 20:38:30 +0200 To: chat@FreeBSD.ORG From: Olaf Hoyer Subject: Fwd: Is this a joke? Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: owner-freebsd-chat@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org 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." >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 >>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: >>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. > -------- 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