Date: Sat, 3 Mar 2001 12:29:38 -0600 From: "Michael C . Wu" <keichii@iteration.net> To: James Howard <howardjp@well.com> Cc: Wes Peters <wes@softweyr.com>, Alfred Perlstein <bright@wintelcom.net>, Dan Phoenix <dphoenix@bravenet.com>, freebsd-hackers@FreeBSD.ORG Subject: Re: easy way to crash freebsd Message-ID: <20010303122938.A31278@peorth.iteration.net> In-Reply-To: <Pine.GSO.4.21.0103031304470.11768-100000@z.glue.umd.edu>; from howardjp@well.com on Sat, Mar 03, 2001 at 01:05:24PM -0500 References: <3AA0AE20.653196F8@softweyr.com> <Pine.GSO.4.21.0103031304470.11768-100000@z.glue.umd.edu>
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On Sat, Mar 03, 2001 at 01:05:24PM -0500, James Howard scribbled: | On Sat, 3 Mar 2001, Wes Peters wrote: | | > You don't even have to overwrite it some times. Accessing word-size-only | > registers in memory a byte at a time can cause a bus error and panic... | | I have never worked with FreeBSD at this low a level. How does one do | this and why? :) 1. You never do this. 2. Wes and Alfred were pointing out the logical errors made by a certain user. When you can modify /etc/resolv.conf at will, you are root. What point is there when the "malicious" "user" (if we can call him just a user at this point)? :) 3. Like Wes and Alfred said, accessing /dev/mem could be fun. -- +------------------------------------------------------------------+ | keichii@peorth.iteration.net | keichii@bsdconspiracy.net | | http://peorth.iteration.net/~keichii | Yes, BSD is a conspiracy. | +------------------------------------------------------------------+ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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