[tbb-bugs] #25179 [Applications/Tor Browser]: identity leakage, resolution

Tor Bug Tracker & Wiki blackhole at torproject.org
Fri Feb 9 15:25:35 UTC 2018

#25179: identity leakage, resolution
 Reporter:  y2875095                  |          Owner:  tbb-team
     Type:  defect                    |         Status:  closed
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:  invalid
 Keywords:                            |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:  tbb-team                  |        Sponsor:

Comment (by y2875095):

 > make all Tor Browser users as uniform as possible

 Yes, Tor users should be uniform: between each other and among users of
 "real" browsers.

 Until a certain time, the browser **asked to change the resolution** in
 order to "hide"... But more information for fingerprints won't "hide"

 I'm not sure about current or latests versions.

 > 2 Device and Hardware Characteristics ...
 > ... and prefer to either alter functionality to prevent exposing the
 most variable aspects of these characteristics ...

 Resolution and responsive CSS selectors may leak variable resolution

 > 1 Value Spoofing...
 > ... user's configuration details, devices, hardware ...

Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25179#comment:3>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online

More information about the tbb-bugs mailing list