this post was submitted on 20 Dec 2023
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SSH protects the world’s most sensitive networks. It just got a lot weaker (arstechnica.com)
submitted 10 months ago by eager_eagle@lemmy.world to c/technology@lemmy.world
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[–] netburnr@lemmy.world 46 points 10 months ago (2 children)

[For Terrapin to be viable, the connection it interferes with also must be secured by either "ChaCha20-Poly1305" or "CBC with Encrypt-then-MAC," both of which are cipher modes added to the SSH protocol (in 2013 and 2012, respectively

Well thats easy then, just change your allowed ciphers.

[–] Orbituary@lemmy.world 20 points 10 months ago (1 children)

ChaCha20-Poly1305 sounds like an auto-generated Reddit username.

[–] ColeSloth@discuss.tchncs.de 1 points 10 months ago

You'll also have to be connecting to unknown networks or be the subject of a very targeted hacker. If you don't connect to "free wifi" at the airport no one is going to get to position themselves as the middle man in order to do this attack on you very easily.