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taviso's profile
Tavis Ormandy
Tavis Ormandy
Tavis Ormandy
Verified account
@taviso

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Tavis OrmandyVerified account

@taviso

Vulnerability researcher at Google. This is a personal stream, opinions expressed are mine.

California
taviso.decsystem.org
Joined April 2008

Tweets

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    1. Matthew Green‏ @matthew_d_green 22 Jan 2019
      • Report Tweet
      • Report NetzDG Violation

      Looks like Chrome is “improving the user experience again. https://www.theregister.co.uk/2019/01/22/google_chrome_browser_ad_content_block_change/ …pic.twitter.com/vRhY6DqRg2

      8 replies 45 retweets 99 likes
      Show this thread
    2. Matthew Green‏ @matthew_d_green 22 Jan 2019
      • Report Tweet
      • Report NetzDG Violation

      I don’t just mind that Google does user-unfriendly crap with their monopoly browser. What I really hate is the Orwellian doublespeak about how this is really all to make things better for their users.

      5 replies 35 retweets 142 likes
      Show this thread
    3. Justin Schuh  😷‏ @justinschuh 23 Jan 2019
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      • Report NetzDG Violation
      Replying to @matthew_d_green

      The alternative is that any extension can steal all your cookies and manipulate any content on every page you visit. Unfortunately that's how any API with the capability of the webRequest API must work, because that's how manipulating the HTTP stack works.

      4 replies 0 retweets 7 likes
    4. Justin Schuh  😷‏ @justinschuh 23 Jan 2019
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      Replying to @justinschuh @matthew_d_green

      That's why we are planning to remove APIs that cannot be site/origin bound, and providing the user with controls to pick what extensions they want to run on a given site. Because that's a necessary step in addressing malicious and abusive extensions.

      7 replies 1 retweet 7 likes
    5. Matthew Green‏ @matthew_d_green 23 Jan 2019
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      Replying to @justinschuh

      Why not just curate extensions better? Or trust users with the risk of malicious extensions rather than forcing them into a ridiculous per-site authorization they may not want?

      3 replies 0 retweets 24 likes
    6. Justin Schuh  😷‏ @justinschuh 23 Jan 2019
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      Replying to @matthew_d_green

      We're investing a lot more in curation, but that's not enough. And the permission model we're aligning to is literally the Web permission model. I don't consider it ridiculous. I consider it the most effective and broadly deployed permission model that world has seen.

      2 replies 0 retweets 3 likes
    7. Matthew Green‏ @matthew_d_green 23 Jan 2019
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      Replying to @justinschuh

      But am I misunderstanding that this will kill many adblockers, anti-tracker software, and anonymity software? And you won’t make global exceptions even for the (max) few dozen extensions that represent the vast majority of usage?

      2 replies 0 retweets 7 likes
    8. Justin Schuh  😷‏ @justinschuh 23 Jan 2019
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      Replying to @matthew_d_green

      Most ad blockers will still work because the new APIs provide declarative blocking at the HTTP stack. We are also working on adding declarative calls-to-action and investigating other declarative APIs to improve or obviate the need for per-site permission grants.

      2 replies 0 retweets 1 like
      Tavis Ormandy‏Verified account @taviso 23 Jan 2019
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      Replying to @justinschuh @matthew_d_green

      I do kinda like the idea on the bug to support eBPF declarations, that's seems like a compromise worth considering. 🤷‍♂️

      8:03 AM - 23 Jan 2019
      • 1 Retweet
      • 6 Likes
      • Matt Denton Marcel bradfitz Robert Swiecki
      2 replies 1 retweet 6 likes
        1. New conversation
        2. Adam Langley‏ @agl__ 23 Jan 2019
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          Replying to @taviso @justinschuh @matthew_d_green

          (Mustn't let myself get distracted by putting an eBPF filter in the network stack for this, but I also think it's an intriguing idea.)

          1 reply 0 retweets 8 likes
        3. Chandler Carruth‏ @chandlerc1024 23 Jan 2019
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          Replying to @agl__ @taviso and

          Let's all remember what eBPF's actual role is today: a Spectre style vulnerability accelerator. ;]

          0 replies 0 retweets 3 likes
        4. End of conversation
        1. New conversation
        2. Justin Schuh  😷‏ @justinschuh 23 Jan 2019
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          • Report NetzDG Violation
          Replying to @taviso @matthew_d_green

          We are certainly planning on expanding the set and capability of our declarative APIs, so a BPF-like syntax could make sense. The main thing is to just get rid of "all-sites" blanket permission grants.

          1 reply 1 retweet 2 likes
        3. Roman‏ @shafigullin 23 Jan 2019
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          Replying to @justinschuh @taviso @matthew_d_green

          will you kill `debugger` too?

          1 reply 0 retweets 0 likes
        4. 2 more replies

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