Holy shit, this exploit is incredible: abusing a series of obscure CPU features to ROP all the way into ring -2: https://github.com/xoreaxeaxeax/sinkhole …
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@daviangel Not this one. It's generic to almost all Intel CPUs.
@FioraAeterna @daviangel It's fixed in Sandy Bridge. I don't even own any vulnerable systems any more. Cute though.
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@FioraAeterna@daviangel The thing is, it does not work from a VM, and needs root from an OS. There are many other root->FW/SMM exploits. -
@FioraAeterna@daviangel So although it's an awesome exploit, personally, as far as I'm concerned, on x86 root means all F/W bets are off.
End of conversation
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