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Re: [tor-bugs] #14098 [Tor Browser]: TBB still fingerprintable by screen size



#14098: TBB still fingerprintable by screen size
-----------------------------+--------------------------------
     Reporter:  cypherpunks  |      Owner:  tbb-team
         Type:  defect       |     Status:  new
     Priority:  normal       |  Milestone:
    Component:  Tor Browser  |    Version:
   Resolution:               |   Keywords:  tbb-fingerprinting
Actual Points:               |  Parent ID:
       Points:               |
-----------------------------+--------------------------------

Comment (by randybytes):

 Replying to [comment:6 mcs]:
 >
 > Access to properties within window.screen has been patched as well.  Are
 you seeing a case where window.screen leaks the actual display dimensions
 or other info?

 > Are you seeing a case where window.screen leaks the actual display
 dimensions or other info?

 Yes, on the Tor Browser bundle 4.03 with windows 8.1 leaks the actual
 display dimensions:

 On https://panopticlick.eff.org it leaks:

 Screen Size and Color Depth: 1366x633x24

 which only 1 in 82820.68 browsers have this value.

 from the javascript console window.screen shows:

 Screen { availWidth: 1366, availHeight: 383, width: 1366, height: 383,
 colorDepth: 24, ...

 Thanks for replying, is their any diagnostic information that could help?

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/14098#comment:9>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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