Re: [tor-bugs] #12958 [Tor bundles/installation]: integrate EFF's Privacy Badger extention into Tor Browser

["Tor Bug Tracker & Wiki" <blackhole@xxxxxxxxxxxxxx>]

#12958: integrate EFF's Privacy Badger extention into Tor Browser
--------------------------------------+-------------------------
 Reporter:  cypherpunks               |          Owner:
     Type:  enhancement               |         Status:  closed
 Priority:  Medium                    |      Milestone:
Component:  Tor bundles/installation  |        Version:
 Severity:  Normal                    |     Resolution:  wontfix
 Keywords:  new-addon                 |  Actual Points:
Parent ID:                            |         Points:
  Sponsor:                            |
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Changes (by arthuredelstein):

 * severity:   => Normal


Comment:

 It's possible for content scripts to detect what is in a blocklist, by
 presenting test images from different sites and checking to see if they
 are blocked. Privacy Badger dynamically builds a blocklist over time that
 depends on each user's browsing history, so each user's blocklist is
 unique. So it seems to me that Privacy Badger exposes the user to a
 fingerprinting attack.

 If we were to include a blocking tool in Tor Browser, it would need to
 contain an identical blocklist for every user. For example, AdBlock Plus
 with a fixed set of filters.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/12958#comment:3>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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