Tor Browser Fingerprint

Tor Browser and Tails version fingerprinting in Javascript (and some CSS). The PoC can also detect if Tor Browser is running on a Mac OS X. Works up to medium-high privacy settings.

Online demo at: https://tor.triop.se

Screenshots

Demo Video

Responsible Disclosure

The Tor-project was contacted in Jan 2016. But no changes has been made since the root of the problem is located in Firefox.

Related Work

• Browserleaks
• Chamelon
• Panopticlick