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RichFelker's profile
Rich Felker
Rich Felker
Rich Felker
@RichFelker

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Rich Felker

@RichFelker

Yeah, I do @musllibc, FOSS & infosec stuff. But now is not the time for a mostly-/only-tech Twitter feed.

musl-libc.org
Joined March 2014

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    1. Geoffrey Thomas, but spooky‏ @geofft Feb 28

      Okay, this Trustico SSL certificate disaster looks _amazing._ As far as I can tell, the most likely story is:

      40 replies 1,445 retweets 1,914 likes
      Show this thread
    2. Geoffrey Thomas, but spooky‏ @geofft Feb 28

      Trustico, a web host, wanted to move their customers away from Symantec certs to Comodo, and wanted to force their customers to move by revoking their certs.

      4 replies 22 retweets 100 likes
      Show this thread
    3. Geoffrey Thomas, but spooky‏ @geofft Feb 28

      They asked Digicert (new owners of the Symantec root), who said, no, we won't revoke just because the web host asks, we only revoke on compromise.

      2 replies 19 retweets 103 likes
      Show this thread
    4. Geoffrey Thomas, but spooky‏ @geofft Feb 28

      I'm guessing Digicert also said, by way of clarification, that one thing that would cause them to revoke certs is the private key being disclosed.

      1 reply 16 retweets 91 likes
      Show this thread
    5. Geoffrey Thomas, but spooky‏ @geofft Feb 28

      At which point Trustico's CEO decided to EMAIL 23,000 CUSTOMER PRIVATE KEYS to Digicert, apparently in order to trigger that clause.

      9 replies 108 retweets 335 likes
      Show this thread
    6. Geoffrey Thomas, but spooky‏ @geofft Feb 28

      Turns out Trustico has an online private key generator, and probably logged all the customer private keys generated that way.

      4 replies 32 retweets 144 likes
      Show this thread
    7. Geoffrey Thomas, but spooky‏ @geofft Feb 28

      Digicert reached out to the Mozilla security policy list for help managing a massive revocation, and also emailed all Trustico customers as a heads up.

      2 replies 11 retweets 113 likes
      Show this thread
    8. Geoffrey Thomas, but spooky‏ @geofft Feb 28

      Then Trustico responds angrily to the list objecting to this being called a "compromise", and calls Digicert's email "absolutely defamatory."

      1 reply 10 retweets 124 likes
      Show this thread
    9. Geoffrey Thomas, but spooky‏ @geofft Feb 28

      https://www.digicert.com/blog/digicert-statement-trustico-certificate-revocation/ … https://groups.google.com/forum/#!topic/mozilla.dev.security.policy/wxX4Yv0E3Mk …https://www.reddit.com/r/sysadmin/comments/80uaq3/digicert_certificates_being_revoked/ …

      2 replies 14 retweets 113 likes
      Show this thread
    10. Geoffrey Thomas, but spooky‏ @geofft Feb 28

      Oh, correction, Trustico isn't a web host, they're an SSL reseller.

      2 replies 13 retweets 146 likes
      Show this thread
      Rich Felker‏ @RichFelker Feb 28
      Replying to @geofft

      Wait, they're not a web host but they're generating & holding copies of the private keys? That alone should be cause for revocation of CA cert.

      3:22 PM - 28 Feb 2018
      • 6 Likes
      • M. Sam Phillips 🥑🚂🚲⚜ Eric Montgomery Karel 3d Altytwo Altryness, BS Geoffrey Thomas, but spooky
      1 reply 0 retweets 6 likes
        1. New conversation
        2. Geoffrey Thomas, but spooky‏ @geofft Feb 28
          Replying to @RichFelker

          Yeah, there's some discussion of that on the CA/Browser Forum list: https://cabforum.org/pipermail/public/2018-February/013034.html … They don't have a CA of their own, they just resell.

          1 reply 0 retweets 2 likes
        3. Rich Felker‏ @RichFelker Feb 28
          Replying to @geofft

          The CA who lets them resell should get revoked if they don't cut them off.

          1 reply 0 retweets 2 likes
        4. Dogs are Good.‏ @ohunt Feb 28
          Replying to @RichFelker @geofft

          The relevant CA /did/ get revoked.

          0 replies 0 retweets 1 like
        5. End of conversation

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