[tor-bugs] #29957 [Applications/Tor Browser]: clicking on "click to play" media leaks URLs via NoScript on-disk preferences

Tor Bug Tracker & Wiki blackhole at torproject.org
Mon Jun 1 09:23:16 UTC 2020


#29957: clicking on "click to play" media leaks URLs via NoScript on-disk
preferences
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 Reporter:  catalyst                             |          Owner:  tbb-
                                                 |  team
     Type:  defect                               |         Status:
                                                 |  needs_information
 Priority:  High                                 |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  tbb-disk-leak, tbb-newnym, noscript  |  Actual Points:
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
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Comment (by ma1):

 Replying to [comment:5 gk]:
 > Okay, thanks for those steps that helped me a lot. Giorgio: given that
 this violates assumptions about Private Browsing Mode (PBM) usage (There
 should not be leaked any information about web browsing to disk in that
 mode let alone possibly problematic URLs) is there a way for NoScript to
 actually adhere to the PBM rules the user/Tor Browser has intentionally
 enabled? Like saving the exceptions in memory and only there if in PBM? It
 seems to me there is no reason to save them to disk in that case.

 Yes, it can be done. I'll need to flag all permissions as temporary (maybe
 if not explicitly overridden by the user some way, e.g. via an option in
 the confirmation dialog) for sessions where the Tor Browser is detected as
 the host.

 I will put this in 11.0.25.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/29957#comment:8>
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