Cybersecurity

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YubiKeys are vulnerable to cloning attacks thanks to newly discovered side channel (arstechnica.com)

submitted 2 months ago by kid@sh.itjust.works to c/cybersecurity@sh.itjust.works

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[–] sun_is_ra@sh.itjust.works 32 points 2 months ago (1 children)

TLDR; the attack is very sophisticated, require hardware access and specialized tools. On the other hand its not possible to patch the vulnerability

[–] Telorand@reddthat.com 4 points 2 months ago

To add:

All YubiKeys running firmware prior to version 5.7—which was released in May and replaces the Infineon cryptolibrary with a custom one—are vulnerable.

So if you bought your key from June onward, you are most likely in the clear.