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Re: [tor-bugs] #9308 [Firefox Patch Issues]: JavaScript's BrowserFeedWriter() leaks installation paths on OS X and Windows

#9308: JavaScript's BrowserFeedWriter() leaks installation paths on OS X and
Windows
-------------------------------------+-------------------------------------
     Reporter:  cypherpunks          |      Owner:  mikeperry
         Type:  defect               |     Status:  needs_review
     Priority:  critical             |  Milestone:
    Component:  Firefox Patch        |    Version:
  Issues                             |   Keywords:  tbb-fingerprinting,
   Resolution:                       |  tbb-easy, interview
Actual Points:                       |  Parent ID:
       Points:                       |
-------------------------------------+-------------------------------------
Changes (by arthuredelstein):

 * status:  new => needs_review


Comment:

 Thanks for the Window tip!

 I've attached a
 [https://trac.torproject.org/projects/tor/attachment/ticket/9308/0001
 -prevent-BrowserFeedWriter-and-sidebar-exceptions-fro.patch new patch],
 which simply blocks local file paths from being attached to exceptions.
 This fixes both privacy leaks found in
 `new BrowserFeedWriter().close();`
 and
 `window.sidebar.addEngine("http://";, "http://";, null, null);`

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/9308#comment:7>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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