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benhawkes's profile
Ben Hawkes
Ben Hawkes
Ben Hawkes
@benhawkes

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Ben Hawkes

@benhawkes

Project Zero team lead

Joined August 2008

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    1. Ben Hawkes‏ @benhawkes May 2

      We're seeing a lot of incomplete or broken security fixes recently, across the board. Presumably this is leading to a lot of cheap bugs for attackers, who are generally going to be more incentivized to analyze patches than defenders are.

      2 replies 20 retweets 55 likes
      Show this thread
    2. Ben Hawkes‏ @benhawkes May 2

      It seems like security researchers will have an important role to play in pushing for patch quality and variant analysis! Not sure exactly what that looks like yet, but there's quite a few good options for us to try.

      2 replies 3 retweets 16 likes
      Show this thread
    3. Matt Miller‏ @epakskape May 2
      Replying to @benhawkes

      What is your opinion on the effects that disclosure deadlines have on a vendor's ability to perform effective variant analysis and fix verification? It seems like there is tension between "fix it fast" and "fix it thoroughly", particularly for complex issues.

      2 replies 1 retweet 4 likes
    4. Ben Hawkes‏ @benhawkes May 2
      Replying to @epakskape

      Fast, correct, comprehensive. Pick two? :)

      1 reply 0 retweets 6 likes
    5. Ben Hawkes‏ @benhawkes May 2
      Replying to @benhawkes @epakskape

      I can see that it's related, but most of the cases we've seen recently don't reach the level of complexity where it's clear that an additional N days of engineering time would have been the difference.

      3 replies 0 retweets 1 like
    6. Ben Hawkes‏ @benhawkes May 2
      Replying to @benhawkes @epakskape

      One of the options that we'd like to explore is being more involved in the patching process. We don't have a great level of engineer-to-engineer dialogue about this stuff, and we could be helping spot gaps early if we had more visibility.

      2 replies 0 retweets 1 like
    7. Matt Miller‏ @epakskape May 2
      Replying to @benhawkes

      I think involving researchers in the patch validation process is an interesting idea, but it does come with its own set of challenges. For example, if a researcher finds a variant or a bug in the fix, does that reset the disclosure clock (e.g. to ensure partial fix doesn't ship)?

      2 replies 0 retweets 2 likes
      Ben Hawkes‏ @benhawkes May 2
      Replying to @epakskape

      It's up for discussion. Currently for broken fixes it would probably be considered the same finding, not a new bug report. Variants are trickier -- when does a bug become two bugs? Either way, the aim would be to surface concerns early enough that a timely fix is still practical.

      2:26 PM - 2 May 2018
      1 reply 0 retweets 0 likes
        1. New conversation
        2. Matt Miller‏ @epakskape May 2
          Replying to @benhawkes

          Yep, agree on the aim. I think it raises an interesting question on which path creates more risk: shipping a fix that is known to be partial/buggy (that attackers might spot & exploit) vs. delaying disclosure for a complete fix (for an issue attackers might already be exploiting)

          1 reply 0 retweets 1 like
        3. Matt Miller‏ @epakskape May 2
          Replying to @epakskape @benhawkes

          That may be a bit too close to the time-honored and much-loved tradition of disclosure debates on twitter, though. I definitely don't want to open that box of fun ;)

          1 reply 0 retweets 3 likes
        4. Matt Linton  🐦 👨‍💻 ⚕️ ⚒️ 🥋 🎻‏ @0xMatt May 2
          Replying to @epakskape @benhawkes

          pic.twitter.com/B5v9SbZrDX

          0 replies 0 retweets 1 like
        5. End of conversation

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