Tor Browser Bundle 8.0 (TBB) sends OS+kernel+TOTAL_PING_COUNT in update queries to Mozilla
- Tails 3.9, which ships with TBB 8.0, is also affected.
User report:[1]
https://blog.torproject.org/comment/277375#comment-277375Sanitize the add-on blocklist update URL
https://trac.torproject.org/projects/tor/ticket/16931related, old, closed ticket (unresolved):
TBB-Firefox sends OS+kernel in update queries to Mozilla
https://trac.torproject.org/projects/tor/ticket/6734[1]: "TBB-Firefox sends Linux kernel version in extensions blocklist update queries to Mozilla. 6 years old ticket closed https://trac.torproject.org/projects/tor/ticket/6734 without fix this privacy issue.
From Ubuntu 18.04.1 LiveCD
/v1/blocklist/3/%7Bec8030f7-c20a-464f-9b0e-13a3a9e97384%7D/60.2.0/Firefox/20180204030101/Linux_x86_64-gcc3/en-US/release/Linux 4.15.0-29-generic (GTK 3.22.30 libpulse 11.1.0)/default/default/1/1/new/""about:config
extensions.blocklist.url""Also it send TOTAL_PING_COUNT to tell mozilla how many days you use TBB."
(Score: 0) by Anonymous Coward on Wednesday September 26 2018, @08:51PM
Unlike fucking Chromium which requires patching the source code to strip out Google references, Firefox enables you to sack the undesirable crap via config. Granted it would have been better to ship with no undesirable crap in the first place, but you don't even need an add-on to control it.