bugtraq - Re: [Full-disclosure] Firewire Attack on Windows Vista

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Date: Thu, 6 Mar 2008 12:20:28 -0800
From: Tim <tim-security@...tinelchicken.org>
To: Larry Seltzer <Larry@...ryseltzer.com>
Cc: Full Disclosure <full-disclosure@...ts.grok.org.uk>,
	Bugtraq <bugtraq@...urityfocus.com>
Subject: Re: [Full-disclosure] Firewire Attack on Windows Vista

> >>...Windows would not do this. It would only open up access to devices
> that it thought needed DMA. This is why Metlstorm had to make his Linux
> machine behave like an iPod to fool Windows into spreading it's legs.
> 
> So the iPod software opens up the whole address space? I don't get it.

No, the iPod device signature makes Windows drivers think it should
allow DMA access for that device because it detect it as a disk device.
Other disk device signatures would likely work the same way, that's just
the one he happened to emulate.

tim