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colmmacc's profile
Colm MacCárthaigh
Colm MacCárthaigh
Colm MacCárthaigh
@colmmacc

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Colm MacCárthaigh

@colmmacc

AWS, Apache, Crypto, Irish Music, Haiku, Photography

Seattle
notesfromthesound.com
Joined April 2008

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    1. Colm MacCárthaigh‏ @colmmacc 7 Apr 2019
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      I think right around this minute is just about exactly 5 years since the Heartbleed vulnerability in OpenSSL became public. I remember the day vividly, and if you're interested, allow me to tell you about how the day, and the subsequent months, and years unfolded ...pic.twitter.com/JSZEESmDp8

      31 replies 1,330 retweets 2,665 likes
      Show this thread
    2. Colin Stevens-Brown‏ @coldwired 7 Apr 2019
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      Replying to @colmmacc

      This is a fascinating read once again, Colm. Can I ask how long this vulnerability was in the wild for before it was discovered? I remember the panic everyone was in the day this was discovered too, and rightly so.

      1 reply 0 retweets 16 likes
    3. Troy Bison‏ @troybison 7 Apr 2019
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      Replying to @coldwired @colmmacc

      The bug was in OpenSSL 1.0.1, released on March 14, 2012 and was patched in version 1.0.1g, April 2014. So over 2 years' vulnerability window.

      1 reply 0 retweets 8 likes
    4. CarrickDB‏ @carrickdb 7 Apr 2019
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      Replying to @troybison @coldwired @colmmacc

      Unreal. Why did it take so long to discover? I thought open source things were well vetted etc etc

      3 replies 0 retweets 3 likes
    5. Colm MacCárthaigh‏ @colmmacc 7 Apr 2019
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      Replying to @carrickdb @troybison @coldwired

      it was hard to review code in an overlooked module, with no test cases. I think too that cryptography code has often been on the nuclear power plant side of the bike shed effect: people think only geniuses work on it and it must be great.

      1 reply 0 retweets 25 likes
    6. CarrickDB‏ @carrickdb 7 Apr 2019
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      Replying to @colmmacc @troybison @coldwired

      Why would it be hard to review code just because the module was overlooked?

      1 reply 0 retweets 1 like
      Colm MacCárthaigh‏ @colmmacc 7 Apr 2019
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      Replying to @carrickdb @troybison @coldwired

      It’s not the contributor’s fault because the patterns were established, but the code was a messy mix of message parsing and state machine logic. In s2n we decided to separate those acts.

      1:44 PM - 7 Apr 2019 from Queens, NY
      • 5 Likes
      • Amélie E. Koran the (distant) Dude (at a distance) Dr. Erik Riedel g CarrickDB
      1 reply 0 retweets 5 likes
        1. New conversation
        2. Matthew Green‏ @matthew_d_green 7 Apr 2019
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          Replying to @colmmacc @carrickdb and

          Nobody was looking at OpenSSL. It physically hurt to do so.

          1 reply 1 retweet 19 likes
        3. Colin Stevens-Brown‏ @coldwired 7 Apr 2019
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          Replying to @matthew_d_green @colmmacc and

          Has it got better since?

          1 reply 0 retweets 1 like
        4. 26 more replies

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