[tor-bugs] #12979 [Tor Browser]: Opening new windows/resizing them with JavaScript should not leak screen size

Tor Bug Tracker & Wiki blackhole at torproject.org
Thu Aug 28 09:39:02 UTC 2014


#12979: Opening new windows/resizing them with JavaScript should not leak screen
size
--------------------------------+--------------------------
 Reporter:  gk                  |          Owner:  tbb-team
     Type:  enhancement         |         Status:  new
 Priority:  normal              |      Milestone:
Component:  Tor Browser         |        Version:
 Keywords:  tbb-fingerprinting  |  Actual Points:
Parent ID:                      |         Points:
--------------------------------+--------------------------
 In #9881 we switched `browser.link.open_newwindow.restriction` to `0` as a
 stopgap to a possible screen size leak. This solution has the disadvantage
 that all popup windows get added as a new tab which is at least unexpected
 to the user. What we want is a patch that retains the old behavior (i.e. a
 popup window gets opened/resized and not added as a tab) while the
 screen/outerWindow dimensions are still not being leaked.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/12979>
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