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BRIAN_____'s profile
Brian Smith
Brian Smith
Brian Smith
@BRIAN_____

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Brian Smith

@BRIAN_____

Code farmer. Security, crypto, performance, networking, usability. Rust, C++, C, Haskell, DSLs, etc. *ring*, webpki, crypto-bench, mozilla::pkix.

Honolulu & San Francisco
briansmith.org
Joined April 2008

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    1. Sciuridae Hero‏ @attritionorg Jan 6
      Replying to @taviso

      skimming the issues, not seeing one that matches your tweet description. link? and I assume you reported privately not via tracker?

      1 reply 1 retweet 2 likes
    2. Tavis Ormandy‏Verified account @taviso Jan 6
      Replying to @attritionorg

      It's this onehttps://github.com/spesmilo/electrum/issues/3374 …

      7 replies 24 retweets 92 likes
    3. Adam Roberts FIAP‏ @AdamR0berts Jan 6
      Replying to @taviso @attritionorg

      Websites cannot access localhost in browsers, unless there is a bug in the browser.

      3 replies 1 retweet 3 likes
    4. Tavis Ormandy‏Verified account @taviso Jan 6
      Replying to @AdamR0berts @attritionorg

      You said that so authoritatively, and yet you're completely wrong 😛

      4 replies 8 retweets 386 likes
    5. Adam Roberts FIAP‏ @AdamR0berts Jan 6
      Replying to @taviso @attritionorg

      I've tested browsers and attempted to connect to a redis server running on localhost and it wouldn't connect, move the page onto localhost and it does.

      3 replies 0 retweets 0 likes
    6. Tavis Ormandy‏Verified account @taviso Jan 6
      Replying to @AdamR0berts @attritionorg

      Sounds like you need to read about CORS.

      3 replies 0 retweets 172 likes
    7. Adam Roberts FIAP‏ @AdamR0berts Jan 6
      Replying to @taviso @attritionorg

      Anyone that doesn't set a password, on their wallet shouldn't be storing them locally.

      4 replies 0 retweets 3 likes
    8. Tavis Ormandy‏Verified account @taviso Jan 6
      Replying to @AdamR0berts @attritionorg

      I'm going to block you if you keep stating random false things to me.

      3 replies 9 retweets 332 likes
    9. Adam Roberts FIAP‏ @AdamR0berts Jan 6
      Replying to @taviso @attritionorg

      Google should sandbox their browser properly and not expose localhost to the world, what your saying is a major browser security hole in a Google product Have a nice day, bye.

      7 replies 1 retweet 1 like
    10. Tavis Ormandy‏Verified account @taviso Jan 6
      Replying to @AdamR0berts @attritionorg

      You misunderstand how the web works, all browsers work like this. You also misunderstand how sandboxes work.

      4 replies 2 retweets 227 likes
      Brian Smith‏ @BRIAN_____ Jan 6
      Replying to @taviso @AdamR0berts @attritionorg

      He has a point. The way browsers deal w/ localhost is terrible since most servers running on localhost do not intend to be accessed by the web. I believe Windows Store apps have the restrictions suggested here for this reason. Hard to see a good resolution to this b/c of compat.

      6:17 PM - 6 Jan 2018
      • 1 Retweet
      • 11 Likes
      • Netcat Adam Roberts FIAP K TerraX.net e.V. David Magalhães mik Moi David Wong Matthew Hardeman
      5 replies 1 retweet 11 likes
        1. New conversation
        2. Tavis Ormandy‏Verified account @taviso Jan 6
          Replying to @BRIAN_____ @AdamR0berts @attritionorg

          I don't know if it's true that "most" don't intend to be accessed by the web, certainly some don't. Many that I've looked at recently are trying to workaround misssing npapi, so would opt-in to any preflight checks.

          2 replies 0 retweets 11 likes
        3. Matthew Hardeman‏ @mdhardeman Jan 6
          Replying to @taviso @BRIAN_____ and

          I favor early stage blocking all access to local (on-host) IP endpoints from within the browser unless the root page resource also loads from a local (on-host) IP. Too much garbageware running local daemons.

          1 reply 1 retweet 6 likes
        4. 1 more reply
        1. Nicolás Álvarez‏ @nicolas09F9 Jan 6
          Replying to @BRIAN_____

          This is the proposed solution: https://wicg.github.io/cors-rfc1918/ 

          0 replies 2 retweets 4 likes
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        1. New conversation
        2. \reversemathwitch‏ @KirinDave Jan 7
          Replying to @BRIAN_____ @taviso and

          Who cares what "should" be? That is not what "is", and the "is" happens to be where our money resides.

          1 reply 0 retweets 0 likes
        3. Adam Roberts FIAP‏ @AdamR0berts Jan 7
          Replying to @KirinDave @BRIAN_____ and

          Apparently, Google does, as they are implementing a bug fix for localhost access from Internet. https://bugs.chromium.org/p/chromium/issues/detail?id=378566 …

          1 reply 0 retweets 0 likes
        4. \reversemathwitch‏ @KirinDave Jan 7
          Replying to @AdamR0berts @BRIAN_____ and

          You started by saying this wasn't the case, then saying that it was but it's a bug. And now you're declaring victory. Own your fuckups.

          1 reply 0 retweets 1 like
        5. Adam Roberts FIAP‏ @AdamR0berts Jan 7
          Replying to @KirinDave @BRIAN_____ and

          I stated that websites cannot access localhost unless there is a browser bug that enables access, hence the link to the Chromium bug for this issue.

          0 replies 0 retweets 0 likes
        6. End of conversation
        1. New conversation
        2. Ricardo Bánffy‏ @rbanffy Jan 8
          Replying to @BRIAN_____ @taviso and

          I run dozens of applications exposed on localhost that have web administration interfaces. They aren't open to other IPs but they are supposed to be used with a browser.

          1 reply 0 retweets 0 likes
        3. Adam Roberts FIAP‏ @AdamR0berts Jan 8
          Replying to @rbanffy @BRIAN_____ and

          Are you sure they aren't, this webpage scans localhost. Not sure how accurate it is, as it's showing open ports that nmap can't see. My OS might be giving false positives. http://wingolog.org/pub/localhost-portscan.html …

          0 replies 0 retweets 0 likes
        4. End of conversation
        1. Jesper Wallin‏ @empatogen Jan 7
          Replying to @BRIAN_____ @taviso and

          I would be really annoyed if my browser couldn’t access things on localhost. Instead, people should stop treating things running on localhost as secure. Always encrypt and always require authentication, problem solved.

          0 replies 0 retweets 0 likes
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