[tor-bugs] #30800 [Applications/Tor Browser]: ftp:// on Windows can be used to leak the system time zone

[Tor Bug Tracker & Wiki]

#30800: ftp:// on Windows can be used to leak the system time zone
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     Reporter:  gk                        |      Owner:  tbb-team
         Type:  defect                    |     Status:  new
     Priority:  High                      |  Milestone:
    Component:  Applications/Tor Browser  |    Version:
     Severity:  Normal                    |   Keywords:  tbb-fingerprinting
Actual Points:                            |  Parent ID:
       Points:                            |   Reviewer:
      Sponsor:                            |
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 z3t reported via HackerOne that the system time zone on Windows can get
 leaked by using ftp://.
 {{{
 When using the ftp:// protocol, directory listings contain timestamps
 converted to the system timezone.. These timestamps can be extracted by a
 script on a same-origin FTP hosted HTML page, allowing detection of a
 user's system timezone.
 }}}

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/30800>
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