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tehjh's profile
Jann Horn
Jann Horn
Jann Horn
@tehjh

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Jann Horn

@tehjh

works at Google Project Zero. personal account.

Joined August 2011

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    1. Mike West‏ @mikewest 14 Dec 2017
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      • Report NetzDG Violation

      If Chrome's metrics are to be believed, ~4% of cross-page navigations on Windows are to `file:` URLs. 4 is an amazingly large number of percent. ~2.5% on Mac and Linux, 0.1% on ChromeOS and Android. Amazingly high, all.

      16 replies 1 retweet 14 likes
    2. Joseph Lorenzo Hall, PhD‏ @JoeBeOne 14 Dec 2017
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      Replying to @mikewest

      Would you rather we open files with something else? ::)

      1 reply 0 retweets 0 likes
    3. Mike West‏ @mikewest 14 Dec 2017
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      Replying to @JoeBeOne

      I guess I would! Chrome's a bad file browser, and we keep finding security issues with local file's privileged access to local stuff. Removing that access seems valuable.

      2 replies 0 retweets 1 like
    4. Richard Barnes‏ @rlbarnes 14 Dec 2017
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      Replying to @mikewest @JoeBeOne

      Does that number include file->file transitions? Seems like http(s)->file would be the worrying transitions, in which case there might be some overcounting here.

      2 replies 0 retweets 1 like
    5. Mike West‏ @mikewest 14 Dec 2017
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      Replying to @rlbarnes @JoeBeOne

      Chrome doesn't allow non-`file:` -> `file:` transitions. No navigation to `file:`, no embedding of `file:`.

      2 replies 0 retweets 0 likes
      Jann Horn‏ @tehjh 14 Dec 2017
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      Replying to @mikewest @rlbarnes @JoeBeOne

      (unless you're an extension, even if you have no permissions, right?)

      8:12 AM - 14 Dec 2017
      0 replies 0 retweets 0 likes

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