[tor-bugs] #31009 [Core Tor/Tor]: Tor lets transports advertise private IP addresses in descriptor

Tor Bug Tracker & Wiki blackhole at torproject.org
Wed Apr 15 23:27:53 UTC 2020


#31009: Tor lets transports advertise private IP addresses in descriptor
-------------------------------------------------+-------------------------
 Reporter:  phw                                  |          Owner:
                                                 |  catalyst
     Type:  defect                               |         Status:
                                                 |  assigned
 Priority:  Medium                               |      Milestone:  Tor:
                                                 |  0.4.3.x-final
Component:  Core Tor/Tor                         |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  tor-pt, tor-bridge, 035-backport,    |  Actual Points:
  040-backport, 041-backport,                    |
  042-deferred-20190918, network-team-roadmap-   |
  2020Q1, 043-should                             |
Parent ID:                                       |         Points:  0.5
 Reviewer:                                       |        Sponsor:
                                                 |  Sponsor28-can
-------------------------------------------------+-------------------------

Comment (by teor):

 For IPv6, you can use the router_get_advertised_ipv6_or_ap() function. But
 I'm not sure which tor version we added the function in.

 See also #7961, which talks about a similar IPv6 issue in
 pt_get_extra_info_descriptor_string(). And #29128, which talks about
 writing the bridge line to a file.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/31009#comment:24>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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