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Re: [tor-bugs] #28290 [Applications/Tor Browser]: Don't allow fingerprinting via navigator.userAgent



#28290: Don't allow fingerprinting via navigator.userAgent
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 Reporter:  indigotime                |          Owner:  tbb-team
     Type:  defect                    |         Status:  new
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:  tbb-fingerprinting-os     |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
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Comment (by Thorin):

 FWIW:

 https://bugzilla.mozilla.org/show_bug.cgi?id=1509829 in FF66+ upstreamed
 #26146 (this reduces HTTP header OSes to two, but leaves JS navigator to
 four OSes)

 https://bugzilla.mozilla.org/show_bug.cgi?id=1519122 (In RFP Mode, spoof
 the modifier state "Meta" in OSX into a "Ctrl" state in keyboard events)
 when landed will then allow MacOS to properly use the cmd key on sites
 such as Google Docs etc - and then the JS navigator can be reverted to two
 OSes (assuming all the web site breakage was from this).

 1519122 will probably not happen before ESR68, but will hopefully be
 backported when done, and then both Tor Browser and Firefox with RFP can
 get in sync (also note that the platform will change to Windows 10 see
 https://bugzilla.mozilla.org/show_bug.cgi?id=1511434) and headers vs
 navigator will also be in sync

 tl;dr: it's being handled upstream at Mozilla

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/28290#comment:7>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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