[tbb-bugs] #13027 [Tor Browser]: Ensure WebWorkers see spoofed navigator.* values

Tor Bug Tracker & Wiki blackhole at torproject.org
Mon Sep 1 21:38:40 UTC 2014

#13027: Ensure WebWorkers see spoofed navigator.* values
 Reporter:  mikeperry                            |          Owner:  tbb-
     Type:  defect                               |  team
 Priority:  major                                |         Status:  new
Component:  Tor Browser                          |      Milestone:
 Keywords:  ff31-esr, tbb-fingerprinting,        |        Version:
  TorBrowserTeam201409                           |  Actual Points:
Parent ID:                                       |         Points:
 We spoof the navigator values through various general.useragent.override
 prefs. However, this object is now exposed to WebWorkers too, which may or
 may not be listening to these new prefs (because WebWorkers are special
 threads and have restricted access to much of XPCOM).


Ticket URL: <https://trac.torproject.org/projects/tor/ticket/13027>
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