Re: [tor-bugs] #20214 [Applications/Tor Browser]: Sonic Cross Device Tracking techniques could be used to launch deanonymization attacks against some users

2016-10-10 Thread Tor Bug Tracker & Wiki 
#20214: Sonic Cross Device Tracking techniques could be used to launch
deanonymization attacks against some users
--+--
 Reporter:  VasiliosMavroudis |  Owner:  tbb-team
 Type:  defect| Status:  new
 Priority:  Medium|  Milestone:
Component:  Applications/Tor Browser  |Version:
 Severity:  Normal| Resolution:
 Keywords:|  Actual Points:
Parent ID:| Points:
 Reviewer:|Sponsor:
--+--
Changes (by gk):

 * keywords:  tbb-proxy-bypass =>


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Re: [tor-bugs] #20214 [Applications/Tor Browser]: Sonic Cross Device Tracking techniques could be used to launch deanonymization attacks against some users (was: Ultrasound Cross Device Tracking techn

2016-10-07 Thread Tor Bug Tracker & Wiki 
#20214: Sonic Cross Device Tracking techniques could be used to launch
deanonymization attacks against some users
--+--
 Reporter:  VasiliosMavroudis |  Owner:  tbb-team
 Type:  defect| Status:  new
 Priority:  Medium|  Milestone:
Component:  Applications/Tor Browser  |Version:
 Severity:  Normal| Resolution:
 Keywords:  tbb-proxy-bypass  |  Actual Points:
Parent ID:| Points:
 Reviewer:|Sponsor:
--+--
Changes (by bugzilla):

 * keywords:   => tbb-proxy-bypass
 * version:  Tor: unspecified =>


Comment:

 At a first glance it looks like OP came here with a tinfoil hat,
 especially as most 44.1/48 kHz formats are not ultrasound capable. But, in
 general, there is some chance to become deanonymized during playback of
 watermarked media (e.g. from YouTube) in a range where compromised devices
 can record the differences in sound.
 > The prompt would only serve as an annoyance that the user would learn to
 ignore.
 Warning as for maximization should be enough.

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