The paper describing the attack is here:
<a href="http://www.blackhat.com/presentations/bh-usa-09/CHEN/BHUSA09-Chen-RevAppleFirm-PAPER.pdf" rel="nofollow">http://www.blackhat.com/presentations/bh-usa-09/CHEN/BHUSA09...</a><p>It makes one wonder how many other peripherals have user programmable firmware.