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AMD won't patch all chips affected by severe data theft vulnerability — Ryzen 3000, 2000, and 1000 will not get patched for 'Sinkclose' (www.tomshardware.com)
submitted 2 years ago by to c/selfhosted@lemmy.world
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Here we are - 3600 which was still under manufacture 2-3 years ago are not get patched. Shame on you AMD, if it is true.

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[–] 1 point 2 years ago (1 child)

For what reason?

Kernel level game anticheats are a great attack vector, and it's one that inherently identifies and enables distribution to other vulnerable targets. It's begging to self replicate.

Industrial espionage does not make sense, because most enterprises have, even if imperfect, restrictions on what can be installed on company computers that contain valuable information. You're not going to get a game with kernel malware on a managed enterprise computer.

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  • [–] 2 points 2 years ago* (last edited 2 years ago) (1 child)

    Are you ignoring what I wrote earlier in the same thread?

    Probably only on a targeted attack. I don't see it being a mass target attack like a worm could be. And in the realm of businesses, how many programs are running in kernel level besides the antivirus/ED(P)R solution?

    Anyway. Counter question: Why do you think gamers appear as a more valuable target with the anti cheat as a possible attack vector vs a business running literally the same CPU line-up but with fewer kernel level programs?

    My personal opinion: You can't extract as much money from private folks vs a business through blackmail and other solutions. Not in a wide casted attack.
    Targeted individuals can be assumed to be at a higher risk (e.g. hacking their private devices like the gaming pc and then doing home office work in the same network, or misusing trust in the home network between pc and phone and then installing malware like pegasus).
    But again: Not in a wide casted net. And you are probably better of using the good exploits for higher value targets.

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  • [–] 2 points 2 years ago

    You're responding to a post about exploiting kernel level anticheat and saying it would only be a targeted attack, despite that inherently not making sense. When you find a vulnerability in that software, there is absolutely no reason not to spread it en masse. The cost to infect one person is the same as the cost to affect tens of thousands or more. The game is both the vulnerability and the distribution method.

    Gamers aren't more valuable. They're more accessible. Because there isn't a kernel rootkit "anticheat" developer on the planet who gives two shits about security in any context, and there are a massive number of systems that their insane hacky bullshit touches. Every single one of them has their security automatically compromised. The goal isn't just information. You're getting a massive, distributed, residential IP botnet that you can't lose unless they throw their systems in the trash.

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