Date: Fri, 8 Aug 2014 12:46:02 -0700 From: Greg KH <greg@...ah.com> To: Eddie Chapman <eddie@...k.net> Cc: oss-security@...ts.openwall.com Subject: Re: BadUSB discussion On Fri, Aug 08, 2014 at 06:40:50PM +0100, Eddie Chapman wrote: > Yes, immensely. It's clear to me now that being able to re-programme a USB > device firmware is not quite as easy and straightforward as is being made > out to be in certain quarters. On the contrary, it's trivial to do on a whole bunch of USB devices as that is how they were _designed_ to work. So much so that there is a whole USB spec on exactly how to do this in a way that will work across all different operating systems: http://www.usb.org/developers/docs/devclass_docs/DFU_1.1.pdf I don't remember when the 1.0 version of this spec was published, I think around 1995 or so. So I really don't see how this ability is anything "shocking" to anyone. > That's not to say that the research being discussed hasn't thrown up > some very interesting issues around hardware and trust. Never trust hardware. Until you have to. :) greg k-h
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