full-disclosure - Re: usb shorting to ground

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date: Mon, 31 Dec 2007 04:13:40 -0000
From: "Dave \"No, not that one\" Korn" <davek_throwaway@...mail.com>
To: full-disclosure@...ts.grok.org.uk
Subject: Re: usb shorting to ground

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.... 



_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/