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Re: [tor-bugs] #12609 [TorBrowserButton]: HTML5 fullscreen API makes TB fingerprintable, disable it!

#12609: HTML5 fullscreen API makes TB fingerprintable, disable it!
----------------------------------+--------------------------------
     Reporter:  cypherpunks       |      Owner:  mikeperry
         Type:  defect            |     Status:  needs_revision
     Priority:  major             |  Milestone:
    Component:  TorBrowserButton  |    Version:
   Resolution:                    |   Keywords:  tbb-fingerprinting
Actual Points:                    |  Parent ID:
       Points:                    |
----------------------------------+--------------------------------

Comment (by cypherpunks):

 {{{
 <html>

 <head>
 <title>HTML5 fullscreen API fingerprinter</title>
 <script>
 function fingerprint() {
   document.getElementById('x').mozRequestFullScreen();
   setTimeout(function(){ window.alert(screen.width + "x" + screen.height);
 }, 1000);
 }
 </script>
 </head>

 <body onclick="fingerprint()">
 <h1 id="x">click anywhere and wait a second</h1>

 <p>1
 <p>2
 <p>3

 </body>
 </html>
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/12609#comment:16>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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