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j00ru's profile
j00ru//vx
j00ru//vx
j00ru//vx
@j00ru

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j00ru//vx

@j00ru

Windows hacker & vulnerability researcher. Google Project Zero. @DragonSectorCTF

Poland
j00ru.vexillium.org
Joined April 2010

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    j00ru//vx‏ @j00ru 8 Sep 2016

    Wow, looks like a few days ago @gynvael's and my 5-year FFmpeg fuzzing effort hit 1500 fixes: $ git log | grep j00ru | grep -c Gynvael 1506

    8:27 AM - 8 Sep 2016
    • 43 Retweets
    • 84 Likes
    • dkavedk the_storm KrzaQ Gynvael Coldwind Sz3n Thomas Garnier Jay Little b1ack0wl the grugq
    5 replies 43 retweets 84 likes
      1. New conversation
      2. Nicolas Grégoire‏ @Agarri_FR 8 Sep 2016
        Replying to @j00ru @gynvael

        Is FFmpeg less broken now? Or is it just an example of why sandboxes are needed? 1/2

        1 reply 1 retweet 2 likes
      3. j00ru//vx‏ @j00ru 9 Sep 2016
        Replying to @Agarri_FR @gynvael

        I would say both. It is definitely much less broken now (in terms of low hanging fruit), but given the nature of... 1/2

        1 reply 1 retweet 1 like
      4. j00ru//vx‏ @j00ru 9 Sep 2016
        Replying to @j00ru @Agarri_FR @gynvael

        ... the software and its complexity, it'll always have bugs and is a prime example of why sandboxing is important. 2/2

        0 replies 1 retweet 3 likes
      5. End of conversation
      1. New conversation
      2. Alexander Riccio‏ @ariccio 15 Sep 2016
        Replying to @j00ru @gynvael

        now, what can we do to prevent those 1,500 bugs from occurring in the first place?

        1 reply 0 retweets 0 likes
      3. Gynvael Coldwind‏ @gynvael 16 Sep 2016
        Replying to @ariccio @j00ru

        Don't use C/C++ :D Only half joking; Parsers in pure Java/Python/etc are safer; https://github.com/isocpp/CppCoreGuidelines … is another thing

        2 replies 0 retweets 2 likes
      4. Alexander Riccio‏ @ariccio 16 Sep 2016
        Replying to @gynvael @j00ru

        Yeah, but C/C++ are here to stay, so the joke is funny as long as everything works ;)

        0 replies 0 retweets 0 likes
      5. End of conversation
      1. Nicolas Grégoire‏ @Agarri_FR 8 Sep 2016
        Replying to @j00ru @gynvael

        Btw, the recent SSRF debacle forced some large users to add network sandboxes to existing "binary" ones #BugBounty 2/2

        0 replies 0 retweets 1 like
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      1. New conversation
      2. Luca Carettoni‏ @lucacarettoni 11 Oct 2016
        Replying to @j00ru @gynvael

        you should write a blog post on how to do disclosure for over 1500 issues. Were you opening Github issues?

        1 reply 0 retweets 0 likes
      3. Gynvael Coldwind‏ @gynvael 12 Oct 2016
        Replying to @lucacarettoni @j00ru

        We sent crashes in batches and the maintainers did all the investigative work+fixes; fast too! props & kudos to them:)

        1 reply 0 retweets 0 likes
      4. Luca Carettoni‏ @lucacarettoni 12 Oct 2016
        Replying to @gynvael @j00ru

        I wish it would be the same for all major opensource projects

        0 replies 0 retweets 0 likes
      5. End of conversation
      1. Paweł Wiaderny‏ @p_wiaderny 9 Sep 2016
        Replying to @j00ru @gynvael

        You're doing a great job guys. Just because of people like you we are safer in the wild web! :D

        0 replies 0 retweets 0 likes
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