[tor-bugs] #30335 [HTTPS Everywhere/EFF-HTTPS Everywhere]: HTTPS-Everywhere handshake check flaw

Tor Bug Tracker & Wiki blackhole at torproject.org
Tue Apr 30 03:21:45 UTC 2019


#30335: HTTPS-Everywhere handshake check flaw
-------------------------+-------------------------------------------------
 Reporter:  bo0od        |          Owner:  legind
     Type:  defect       |         Status:  new
 Priority:  High         |      Component:  HTTPS Everywhere/EFF-HTTPS
                         |  Everywhere
  Version:               |       Severity:  Major
 Keywords:               |  Actual Points:
Parent ID:               |         Points:
 Reviewer:               |        Sponsor:
-------------------------+-------------------------------------------------
 When someone visit website , and that website configured TLS to be useless
 and vulnerable to MITM (not checking  if there is "Protocol Support" and
 "Cipher Strength") then this is real flaw of HTTPS-Everywhere to pass this
 as secure connection.

 E.g to make this very clear:

 https://www.ssllabs.com/ssltest/analyze.html?d=zu.ac.ae

 This is an F website and allows MITM due to insecure renegotiation. But
 when you visit the website while HTTPS-Everwhere enabled it will not read
 it as insecure connection or even showing yellow sign that the connection
 is not encrypted (by the lock browser).

 So whether this HTTPS-Everywhere flaw or TBB , something is wrong here.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/30335>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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