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[tor-bugs] #6458 [Firefox Patch Issues]: Disable HSTS for third party content on non-HSTS domains

#6458: Disable HSTS for third party content on non-HSTS domains
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 Reporter:  mikeperry             |          Owner:  mikeperry
     Type:  defect                |         Status:  new      
 Priority:  major                 |      Milestone:           
Component:  Firefox Patch Issues  |        Version:           
 Keywords:  tbb-linkability       |         Parent:           
   Points:                        |   Actualpoints:           
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 With proper cache+identifier siloing to url bar origin, it is no longer a
 security issue to allow 3rd party content from HSTS urls to get loaded
 from non-HSTS sites. Therefore, we can disable HSTS enforcement for third
 parties in this case.

 This will eliminate a super-cookie vector that HSTS creates (registering
 32 domains, using HSTS for each domain as a bit).

 This is going to be a painful patch to write, though...

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/6458>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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