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Re: [tor-bugs] #13952 [Tor Browser]: TOR browser reports wrong resolution
#13952: TOR browser reports wrong resolution
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Reporter: yids | Owner: tbb-team
Type: defect | Status: new
Priority: critical | Milestone:
Component: Tor Browser | Version: Tor: unspecified
Resolution: | Keywords: resolution
Actual Points: | Parent ID:
Points: |
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Comment (by Marnes):
This is indeed bad for the user in terms of fingerprinting.
The following is the fingerprint of vanilla tor browser, freshly installed
and unmodified: http://puu.sh/dN8co/58ddab89bb.png (1 in 2.5 million)
This is the fingerprint of my regular Firefox with a bunch of add-ons and
no particular privacy features: http://puu.sh/dN8bC/7c22d700bc.png (1 in
800 thousand)
The unusual resolution is unique to people with my screen resolution + tor
browser < people with my screen resolution. It causes the fingerprint to
be 4 times worse.
The only specific measures I took in Firefox is settings
plugins.enumerable_names to an empty string to prevent Java from sending a
boatload of compatibility info, and using click-to-play for everything.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/13952#comment:1>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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