[tbb-bugs] #16931 [Applications/Tor Browser]: Sanitize the add-on blocklist update URL

[Tor Bug Tracker & Wiki]

#16931: Sanitize the add-on blocklist update URL
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 Reporter:  cypherpunks               |          Owner:  tbb-team
     Type:  defect                    |         Status:  new
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:                            |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
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Comment (by skeletonchimp):

 I strongly suggest disabling this feature and hopefully including the fix
 in the next version of TBB.

 I believe the Severity and Priority of this ticket should be increased to
 the highest value!

 Meanwhile, is the TBB user to manually blank the Value of
 extensions.blocklist.url until this is fixed? Would the user need to
 include a modification of extensions.blocklist.enabled to false, or would
 this break too much?

 A user posted about this here:
 https://blog.torproject.org/comment/277375#comment-277375

 Oddly enough, I had noticed this issue when I was reviewing
 'about:cache?device=memory' in Tor Browser 8.0 and noticed a strange link,
 then found the user's post. Thanks, gk, for noticing my post in #3555,
 which I found via #6734.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/16931#comment:5>
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