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Re: [tor-bugs] #10286 [Applications/Tor Browser]: Touch events leak absolute screen coordinates
#10286: Touch events leak absolute screen coordinates
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Reporter: mikeperry | Owner: tbb-
| team
Type: defect | Status:
| assigned
Priority: High | Milestone:
Component: Applications/Tor Browser | Version:
Severity: Normal | Resolution:
Keywords: tbb-fingerprinting-resolution, | Actual Points:
ff52-esr, tbb-testcase, tbb-firefox-patch, |
tbb-7.0-must, TorBrowserTeam201703 |
Parent ID: | Points:
Reviewer: | Sponsor:
| Sponsor4
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Comment (by mcs):
The Touch objects that are accessible from the TouchEvents also contain
"area" information including things like the radius of the area that was
touched. I think that could be used for browser fingerprinting based on
the size of the user's finger, how firm the touches are, etc.
See: https://developer.mozilla.org/en-US/docs/Web/API/Touch
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/10286#comment:16>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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