Energizer battery charger contains backdoor

Re:Energizer battery charger contains backdoor by jey on Tuesday March 09, 2010 @06:20AM (#1177988)

If your OS allows that, you need a better OS. Seriously, that's practically like having an OS that lets anyone on your LAN just SSH into your machine as root without a password just because they happen to be on the same subnet.

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Re:Energizer battery charger contains backdoor by wendroid on Tuesday March 09, 2010 @07:54AM (#1178088)

man dma

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Re:Energizer battery charger contains backdoor by masomenos on Tuesday March 09, 2010 @10:01AM (#1178367)

  $ man dma
  No manual entry for dma

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Re:Energizer battery charger contains backdoor by wendroid on Tuesday March 09, 2010 @12:31PM (#1178851)

http://en.wikipedia.org/wiki/Direct_memory_access

And the description of how to exploit it

http://www.schneier.com/blog/archives/2006/06/hacking_comput...

The FireWire version http://www.storm.net.nz/static/files/ab_firewire_rux2k6-fina...

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Re:Energizer battery charger contains backdoor by wendroid on Tuesday March 09, 2010 @10:14AM (#1178398)

get a better manual

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Re:Energizer battery charger contains backdoor by jey on Tuesday March 09, 2010 @03:50PM (#1179328)

Er, DMA isn't controlled by the TLB using the usual page table for access permissions? If not, PCs are ridiculously broken.

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Re:Energizer battery charger contains backdoor by wendroid on Thursday March 11, 2010 @01:01PM (#1184393)

You can read write system memory at addresses that fit in 32bits even when the Kernel has crashed.

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