[tbb-bugs] #13017 [Applications/Tor Browser]: Determine if AudioBuffers/OfflineAudioContext are a fingerprinting vector

Tor Bug Tracker & Wiki blackhole at torproject.org
Mon May 23 11:45:24 UTC 2016


#13017: Determine if AudioBuffers/OfflineAudioContext are a fingerprinting vector
---------------------------------------------+-----------------------------
 Reporter:  mikeperry                        |          Owner:  tbb-team
     Type:  task                             |         Status:
 Priority:  Medium                           |  needs_information
Component:  Applications/Tor Browser         |      Milestone:
 Severity:  Normal                           |        Version:
 Keywords:  tbb-fingerprinting-os, tbb-easy  |     Resolution:
Parent ID:                                   |  Actual Points:
 Reviewer:                                   |         Points:
                                             |        Sponsor:
---------------------------------------------+-----------------------------
Changes (by gk):

 * priority:  Very High => Medium
 * status:  new => needs_information
 * severity:  Critical => Normal


Comment:

 Replying to [comment:15 cypherpunks]:
 > I have three different machines, one Windows and two Linux ones and I
 can verify that for each different machine using Tor Browser 5.5.5 the
 fingerprints are exactly the same for each machine.

 Hm... if they are exactly the same for each machine isn't that a good
 thing? It allows you hiding in the crowd which is our strategy to beat
 fingerprinters. That said, I tested it as well with two different Linux
 machines (and distributions) and on a Windows computer. I got the same
 fingerprint for the Linux machines but a different one with Windows (which
 is on one of the Linux boxes, too). Thus, this seems to support the theory
 that this is an OS-fingerprinting problem. Or did I miss anything?

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/13017#comment:16>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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