[tbb-bugs] #18559 [Applications/Tor Browser]: Number of logical processors is detectable from web content

Tor Bug Tracker & Wiki blackhole at torproject.org
Tue Mar 7 20:03:35 UTC 2017


#18559: Number of logical processors is detectable from web content
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 Reporter:  gk                            |          Owner:  tbb-team
     Type:  defect                        |         Status:  new
 Priority:  Medium                        |      Milestone:
Component:  Applications/Tor Browser      |        Version:
 Severity:  Normal                        |     Resolution:
 Keywords:  tbb-fingerprinting, ff52-esr  |  Actual Points:
Parent ID:                                |         Points:
 Reviewer:                                |        Sponsor:  Sponsor4
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Comment (by gk):

 We have #21675 for `window.navigator.hardwareConcurrency` now. While it
 would be neat to deal with "leaking the number of cores" once and for all.
 Defending against the probabilistic approach mentioned in this ticket
 might be harder than dealing with the low hanging fruit in #21675. Hence
 two tickets.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18559#comment:4>
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