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Date: Fri, 2 Nov 2012 16:54:56 +0000
From: Matthew Garrett <mjg@redhat.com>
To: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Pavel Machek <pavel@ucw.cz>, Chris Friesen <chris.friesen@genband.com>,
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        Oliver Neukum <oneukum@suse.de>, Alan Cox <alan@lxorguk.ukuu.org.uk>,
        Josh Boyer <jwboyer@gmail.com>, linux-kernel@vger.kernel.org,
        linux-security-module@vger.kernel.org, linux-efi@vger.kernel.org
Subject: Re: [RFC] Second attempt at kernel secure boot support
Message-ID: <20121102165456.GB9997@srcf.ucam.org>
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On Fri, Nov 02, 2012 at 04:52:44PM +0000, James Bottomley wrote:

> The first question is how many compromises do you need.  Without
> co-operation from windows, you don't get to install something in the
> boot system, so if you're looking for a single compromise vector, the
> only realistic attack is to trick the user into booting a hacked linux
> system from USB or DVD.

You run a binary. It pops up a box saying "Windows needs your permission 
to continue", just like almost every other Windows binary that's any 
use. Done.

-- 
Matthew Garrett | mjg59@srcf.ucam.org
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