this post was submitted on 20 Dec 2023
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[–] steventhedev 5 points 1 year ago* (last edited 1 year ago)

Also that in order to exploit this it requires an active man in the middle. Which requires any of the following:

  • Reverse proxy hijack/NAT hijack - from a compromised machine near the server
  • BGP hijack - stealing traffic to the real IP
  • DNS hijack - stealing traffic to send to a different IP
  • Malicious/compromised network transit
  • Local network gateway control
  • WAP poisoning - wifi roaming is designed really well so this is actually easier than it sounds.

Almost all of those have decent mitigations like 801.x and BGP monitoring. The best mitigation is that you can just change your client config to disable those ciphersuites though.