[tor-bugs] #29430 [Applications/Tor Browser]: Use uTLS for meek TLS camouflage in Tor Browser

Tor Bug Tracker & Wiki blackhole at torproject.org
Tue Aug 27 20:36:46 UTC 2019


#29430: Use uTLS for meek TLS camouflage in Tor Browser
-------------------------------------------------+-------------------------
 Reporter:  dcf                                  |          Owner:  tbb-
                                                 |  team
     Type:  enhancement                          |         Status:
                                                 |  needs_review
 Priority:  Medium                               |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  meek, utls, ff68-esr, tbb-9.0-must-  |  Actual Points:
  nightly, TorBrowserTeam201908R                 |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
                                                 |  Sponsor44-can
-------------------------------------------------+-------------------------
Changes (by mcs):

 * status:  needs_revision => needs_review
 * keywords:  meek, utls, ff68-esr, tbb-9.0-must-nightly,
     TorBrowserTeam201908 => meek, utls, ff68-esr, tbb-9.0-must-nightly,
     TorBrowserTeam201908R


Comment:

 Replying to [comment:31 gk]:
 > Alright, this looks mostly good to me. However, it seems selecting
 `meek` breaks the circuit display now:
 > {{{
 > nodeData[i].ip is undefined tor-circuit-display.js:298
 >     ...

 Thanks for catching that bug. It turns out that we also need a small patch
 to Torbutton:
 https://gitweb.torproject.org/user/brade/torbutton.git/commit/?h=bug29430-01&id=844693481ce92bb34536113a318211cbaedde4bd

 This will fix the immediate problem. In the long run, the control port
 response parser and circuit display code should be more robust and not
 completely fail when it sees a bridge type that it does not recognize.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/29430#comment:33>
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