bugtraq - RE: [ISN] How To Save The Internet

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Message-ID: <08D2E56ED9BBDF4E8C59B9E7419A312B03530978@DC201MXC02VA.bcbsfl.com>
Date: Tue, 22 Mar 2005 15:56:27 -0500
From: "Marchand, Tom" <Tom.Marchand@...sfl.com>
To: gillettdavid@...a.edu, jasonc@...ence.org, jericho@...rition.org
Cc: sberinato@....com, full-disclosure@...ts.grok.org.uk,
	isn@....org, bugtraq@...urityfocus.com
Subject: RE: [ISN] How To Save The Internet

Plus, the same code could possibly be considered legitimate for one owner and non-legitimate for another.

-----Original Message-----
From:	David Gillett [mailto:gillettdavid@...a.edu]
Sent:	Tue 3/22/2005 11:45 AM
To:	jasonc@...ence.org; jericho@...rition.org
Cc:	isn@....org; sberinato@....com; full-disclosure@...ts.grok.org.uk; bugtraq@...urityfocus.com
Subject:	RE: [ISN] How To Save The Internet

Jason Coombs [mailto:jasonc@...ence.org] writes:

<snip>
> ... the core problem with computer 
> security is that our CPUs make no effort to restrict the execution of 
> machine code to that very small subset of all possible machine code 
> which constitutes the code that the owner of the CPU desires 
> it to run.

<snip> 

> If anyone really cared about solving this core security problem with 
> computing today, it would be solved in just a few months. 

  Just one of the myriad of security issues that we're grappling with 
are the various rights of the owner of the CPU, the *operator* of the
CPU, and the owner of the *data*, each of whom may have a more or less
legitimate say in what code actually gets executed.  Far too many folks 
have already "solved" this problem incorrectly for me to believe that 
the "just a few months" solution you envisage will actually be correct.

David Gillett

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