[tor-bugs] #21940 [Applications/Tor Browser]: OSX updater: consider disabling privilege escalation

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#21940: OSX updater: consider disabling privilege escalation
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 Reporter:  mcs                                  |          Owner:  tbb-
                                                 |  team
     Type:  defect                               |         Status:  new
 Priority:  Medium                               |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  ff52-esr, tbb-7.0-must,              |  Actual Points:
  TorBrowserTeam201704                           |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
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Comment (by mcs):

 Thanks Tim. One more scenario which I just tested: if a non-admin user
 installs Tor Browser into /Applications they are prompted to authenticate
 as an administrator. After they do that, TorBrowser.app is owned by the
 non-admin user (which surprises me a little). But that does mean that the
 non-admin user can update.

 Reading the first part of
 https://bugzilla.mozilla.org/show_bug.cgi?id=394984 again, the scenario
 mentioned there is that of Firefox being installed by an account that no
 longer exists. So maybe the need for privilege escalation is very limited,
 even if we fix #21779.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21940#comment:5>
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