[tbb-bugs] #17446 [Tor Browser]: Canvas image extraction prompt logic

Tor Bug Tracker & Wiki blackhole at torproject.org
Mon Dec 7 14:11:14 UTC 2015


#17446: Canvas image extraction prompt logic
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 Reporter:  arthuredelstein                      |          Owner:  tbb-
     Type:  defect                               |  team
 Priority:  Medium                               |         Status:  closed
Component:  Tor Browser                          |      Milestone:
 Severity:  Normal                               |        Version:
 Keywords:  tbb-fingerprinting,                  |     Resolution:  fixed
  PearlCrescent201511R, TorBrowserTeam201512R    |  Actual Points:
Parent ID:                                       |         Points:
  Sponsor:                                       |
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Changes (by gk):

 * status:  needs_information => closed
 * resolution:   => fixed


Comment:

 Okay, I've been thinking about that more and I came to the conclusion that
 this is strictly better for stable users as well compared to the current
 behavior: third party access would be mostly blocked anyway and seemingly
 randomly (form a user perspective) allowing access to the canvas data
 feels only weird (let alone the additional fingerprinting risk). So, I
 applied the patch to the stable, too: commit
 9a717351831505dff9b48b579353c043d8531fd6 has it.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/17446#comment:18>
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