A Princeton University student has shed light on security flaws in Java and .Net virtual machines using a lamp, some known properties of computer memory and a little luck.
The technique relies on the ability of energy to "flip bits" in memory. While cosmic rays can very occasionally cause a random bit in memory to change value, from 0 to 1 or from 1 to 0, Govindavajhala decided not to wait. He used a lamp to heat up the chips inside a computer and cause one or more bits of memory to change.
I for one can't wait to see what next years graduates come up with:
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