[tbb-bugs] #21559 [Applications/Tor Browser]: Tor browser deanonymization/fingerprinting via cached intermediate CAs

[Tor Bug Tracker & Wiki]

#21559: Tor browser deanonymization/fingerprinting via cached intermediate CAs
-------------------------------------------------+-------------------------
 Reporter:  cypherpunks                          |          Owner:  tbb-
                                                 |  team
     Type:  defect                               |         Status:  new
 Priority:  Medium                               |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  tbb-fingerprinting, tbb-linkability  |  Actual Points:
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------

Comment (by teor):

 Replying to [comment:1 cypherpunks]:
 > That PoC found only
 > 50    4f9aac...       CA 沃通免费SSL证书 G2 CA 沃通根证书
 > in my Tor Browser, but I don't use non-English sites!!!
 > Is it Chinese? And what is it doing in my browser???!!!

 Don't stress. Certificates sometimes have non-roman character names.
 Regardless of the names of the sites they sign.

 And those particular certificates belong to WoSign - I wonder if the
 Mozilla restrictions have anything to do with this?

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21559#comment:3>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online