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marcan42's profile
Hector Martin
Hector Martin
Hector Martin
@marcan42

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Hector Martin

@marcan42

If it ain't broke, I'll fix it! I'm porting Linux to Apple Silicon Macs at @AsahiLinux. http://patreon.com/marcan  | http://github.com/sponsors/marcan 

Tokyo, Japan
marcan.st
Joined May 2009

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    1. Hector Martin‏ @marcan42 17 Oct 2017
      • Report Tweet
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      Am I missing something, or is the Android/wpa_supplicant "all zero key" KRACK bug mostly FUD? Surely wrong key = traffic can't flow.

      4 replies 3 retweets 8 likes
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    2. LiveOverflow  🔴‏ @LiveOverflow 17 Oct 2017
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      Replying to @marcan42

      I think you basically hijack the connection at this point and go into a MITM position. Client using 0-key to communicate with you. Not AP

      1 reply 0 retweets 1 like
    3. Hector Martin‏ @marcan42 17 Oct 2017
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      Replying to @LiveOverflow

      How do *you* intend to talk to the AP if you can't authenticate against it?

      1 reply 0 retweets 0 likes
    4. LiveOverflow  🔴‏ @LiveOverflow 17 Oct 2017
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      Replying to @marcan42

      You don't. The client just thinks it's connected to original AP but you are not. You route them through some other network.

      1 reply 0 retweets 1 like
    5. Hector Martin‏ @marcan42 17 Oct 2017
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      Replying to @LiveOverflow

      That makes the impact negligible. This affects mostly private LANs. You're already owned if you trust the internet.

      2 replies 0 retweets 0 likes
    6. LiveOverflow  🔴‏ @LiveOverflow 17 Oct 2017
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      Replying to @marcan42

      Well. Client connects to trusted AP, all looks fine, browsing internet. But attacker hijacked the connection. Powerful MITM. But yeah, FUD?

      1 reply 0 retweets 0 likes
      Hector Martin‏ @marcan42 17 Oct 2017
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      Replying to @LiveOverflow

      I mean, sure but you're already exposing yourself to that every time you use public WiFi. Internet apps should all use TLS these days.

      2:17 PM - 17 Oct 2017
      2 replies 0 retweets 0 likes
        1. LiveOverflow  🔴‏ @LiveOverflow 17 Oct 2017
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          Replying to @marcan42

          Public encrypted WiFi you can decrypt anyway if you know the shared secret (password) and observe the nonces exchanged. As far as I know 😰

          0 replies 0 retweets 0 likes
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        1. LiveOverflow  🔴‏ @LiveOverflow 17 Oct 2017
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          Replying to @marcan42

          I agree. The world is not as bad anymore as it was a few years ago with FireSheep etc. Most common apps are well enough protected.

          0 replies 0 retweets 0 likes
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