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RichFelker's profile
Rich Felker
Rich Felker
Rich Felker
@RichFelker

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Rich Felker

@RichFelker

Yeah, I do @musllibc, FOSS & infosec stuff. But now is not the time for a mostly-/only-tech Twitter feed.

musl-libc.org
Joined March 2014

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    1. Liam O  🦆‏ @liamosaur 14 Dec 2017

      AAAAAAH HOW DOES THIS HAVE 1.3K RTs HTTPS ON WEBSITES DOESN'T SOLVE THE PROBLEM IF IT'S THE CAPTIVE PORTAL ITSELF INJECTING SCRIPTS AAAAAAAAAAAAAA🤯pic.twitter.com/HXpf3cow6u

      7 replies 64 retweets 185 likes
    2. jonashn‏ @jonashn 14 Dec 2017
      Replying to @liamosaur @csirac2

      Why not tag him and get a conversation? @troyhunt

      2 replies 0 retweets 0 likes
    3. Troy Hunt‏Verified account @troyhunt 14 Dec 2017
      Replying to @jonashn @liamosaur @csirac2

      Troy Hunt Retweeted Troy Hunt

      Try this:https://twitter.com/troyhunt/status/940498374146396166 …

      Troy Hunt added,

      Troy HuntVerified account @troyhunt
      Replying to @RitzmannMarkus
      Try opening a browser and watch what happens to every single HTTP tab as it attempts to restore itself
      3 replies 0 retweets 2 likes
    4. Liam O  🦆‏ @liamosaur 15 Dec 2017
      Replying to @troyhunt @jonashn @csirac2

      Yes Troy, that's what you point everyone at. And it makes no sense

      1 reply 0 retweets 2 likes
    5. Liam O  🦆‏ @liamosaur 15 Dec 2017
      Replying to @liamosaur @troyhunt and

      In a captive portal, no pages load until you auth/accept/whatever the portal page. If the captive portal is injecting scripts, https wouldn't have saved you

      1 reply 0 retweets 3 likes
    6. Liam O  🦆‏ @liamosaur 15 Dec 2017
      Replying to @liamosaur @troyhunt and

      If all your tabs were https, as you suggest, they wouldn't load anything. Because you haven't yet authed to the captive portal. When you go to the captive portal to auth... Oh no, injected scripts

      1 reply 0 retweets 4 likes
    7. Liam O  🦆‏ @liamosaur 15 Dec 2017
      Replying to @liamosaur @troyhunt and

      In other words, https solves a related problem, but not the problem of malicious scripts being added to the captive portal landing page, which was exactly the situation you linked to

      1 reply 0 retweets 1 like
    8. Troy Hunt‏Verified account @troyhunt 15 Dec 2017
      Replying to @liamosaur @jonashn @csirac2

      Every HTTP tab will get nabbed by the captive portal. I should have been clearer in the first tweet, that’s on me.

      2 replies 1 retweet 0 likes
    9. Rich Felker‏ @RichFelker 15 Dec 2017
      Replying to @troyhunt @liamosaur and

      To be fair, I think iOS and maybe modern Android mitigate this with a separate captive-portal browser, blocking net access to real browser until login/clickthru.

      1 reply 0 retweets 1 like
    10. Liam O  🦆‏ @liamosaur 15 Dec 2017
      Replying to @RichFelker @troyhunt and

      Exactly. iOS handles captive portals in a higher security browser context (JIT JS disabled etc). It'll still mine coins though ;)

      1 reply 0 retweets 0 likes
      Rich Felker‏ @RichFelker 15 Dec 2017
      Replying to @liamosaur @troyhunt and

      It also precludes the normal browser (and all apps?) from attempting to make any requests until you're safely past the captive portal, right?

      8:42 PM - 15 Dec 2017
      1 reply 0 retweets 0 likes
        1. Liam O  🦆‏ @liamosaur 15 Dec 2017
          Replying to @RichFelker @troyhunt and

          That's the way modern OSs *try* to do it, but IME there are so many unholy ways to implement captive portals that I think the success rate is < 100%

          0 replies 0 retweets 1 like
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