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Date: Mon, 09 Jan 2012 00:11:24 -0500 (EST)
From: Kurt Seifried <>
Subject: Re: Malicious devices & vulnerabilties

Firewire has DMA.

eSATA - also does DMA.

Thunderbolt also does DMA. 

In other words a lot of the newer/higher end interfaces all do DMA which is ... a problem.


----- Original Message -----
From: "Xi Wang" <>
Sent: Sunday, January 8, 2012 1:13:37 PM
Subject: Re: [oss-security] Malicious devices & vulnerabilties

On Jan 8, 2012, at 6:19 AM, Florian Weimer wrote:
> I think they should be considered vulnerable.  Some applications need
> some robustness to attacks even from the local console (e.g., student
> computer rooms).

Thanks for bringing that up.  Student computer rooms are a
nice example, and a good old memory. ;-)

> USB is also a popular transport in many air-gapped environments.

What else might be on this "untrusted" device list?  Firewire?
I guess those in the PC box don't count.

- xi

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