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Tom’s Hardware
Tom’s Hardware
Technology
Christopher Harper

Smoke 'em if you got 'em: Hacker gains root access using cigarette lighter

The laptop and lighter used to demonstrate the exploit.

On October 7, blogger and hardware modder David Buchanan released a blog post detailing various efforts for low-cost Fault Injection solutions before showing off his ideal solution: a hard mod DRAM exploit with a resistor and a wire doubling as an antenna soldered to a specific DRAM pin (DQ26 and then DQ7).

The antenna is sensitive enough for an unmodified lighter ignition to activate a forced memory error at the specific memory addresses corresponding to the DRAM pin, which doesn't overly disrupt actual memory function since all original data is left intact. Still, there's an attack vector that defending devices and OSes can't do anything about.

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