Re: [iwar] News


From: Fred Cohen
From: fc@all.net
To: iwar@egroups.com

Wed, 17 May 2000 12:23:36 -0700 (PDT)


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To: iwar@egroups.com
In-Reply-To: <200005171824.e4HIOmi28595@virtual.stsi.net> from "deant@stsi.net" at May 17, 2000 02:21:16 PM
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From: Fred Cohen 
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Date: Wed, 17 May 2000 12:23:36 -0700 (PDT)
Reply-To: iwar@egroups.com
Subject: Re: [iwar] News
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Per the message sent by deant@stsi.net:
> 
> Salutations fellow list members,
> 
> Reference the undocumented hardware instruction on Pentium class 
> Intel processors.  Will your reliable source elaborate further on 
> this previously unused proccessor enhancement?  

We will be getting asembler code soon - apparently there are some
exploits already being seen in Asia.  Also - please note that the
simulation idea isn't likely to be successful because the simulator will
still only be able to simulate the hardware for the OS to use, and since
the OS will still be vulnerable (Windows needs this hardware facility in
order to work on a Pentium) it doesn;t get you as much as you might
like.

We are looking at adding custom hardware around the CPU to counter it...

FC

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