[tor-bugs] #31222 [Circumvention/Snowflake]: Remove/or Improve Tor Browser detection in snowflake.js

Tor Bug Tracker & Wiki blackhole at torproject.org
Tue Jul 23 15:28:14 UTC 2019


#31222: Remove/or Improve Tor Browser detection in snowflake.js
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 Reporter:  cypherpunks              |          Owner:  (none)
     Type:  defect                   |         Status:  new
 Priority:  Medium                   |      Milestone:
Component:  Circumvention/Snowflake  |        Version:
 Severity:  Normal                   |     Resolution:
 Keywords:  snowflake-webextension   |  Actual Points:
Parent ID:                           |         Points:
 Reviewer:                           |        Sponsor:
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Comment (by arma):

 Replying to [comment:1 cohosh]:
 > - People seem to be concerned about the safety issues with running
 WebRTC in Tor Browser. Do we have a good understanding of this?

 Yes: the Firefox webrtc code is full of proxy bypass bugs. That is, the
 webrtc code will make network connections that bypass your proxy settings.
 That's why Tor Browser compiles it out: #8178.

 I talked to tjr about the issue at one of the Moz All Handses, and he
 seemed to think it would be a lot of work on the Firefox side to fix.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/31222#comment:3>
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