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List: full-disclosure
Subject: Re: [Full-disclosure] usb shorting to ground
From: "Dave \"No, not that one\" Korn" <davek_throwaway () hotmail ! com>
Date: 2007-12-31 4:13:40
Message-ID: fl9q9l$nq2$1 () ger ! gmane ! org
[Download RAW message or body]
Todd Troxell wrote:
> I discovered rather inadvertently that laptops do not enjoy having
> their USB VCC shorted to GND one bit. It is a sure DoS, in fact if
> the machine has a stupid power supply, it could result in permanent
> damage. It is kind of scary for kiosk machines like the those
> ubiquitous Kodak photo centers.
>
> I give you, the usb pwner. It could even hide inside a legitimate
> stick:
>
> USB Pwner schematic
>
> VCC ------------
> D+ ---(nc) |
> D ---(nc) |
> GND ------------
See also ...
http://www.hackerslab.org/images/geek/2005/may/etherkiller.jpg
cheers,
DaveK
--
Can't think of a witty .sigline today....
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