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Re: [tor-bugs] #27427 [Applications/Tor Browser]: [PATCH] Fix NoScript IPC for about:blank by whitelisting messages



#27427: [PATCH] Fix NoScript IPC for about:blank by whitelisting messages
-------------------------------------------------+-------------------------
 Reporter:  rustybird                            |          Owner:
                                                 |  arthuredelstein
     Type:  defect                               |         Status:
                                                 |  needs_review
 Priority:  Very High                            |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  TorBrowserTeam201809R,               |  Actual Points:
  tbb-8.0.1-can                                  |
Parent ID:                                       |         Points:
 Reviewer:                                       |        Sponsor:
-------------------------------------------------+-------------------------

Comment (by rustybird):

 Replying to [comment:11 cypherpunks3]:
 > Replying to [comment:8 rustybird]:
 > > Which could mean that it occasionally affects real websites as well.
 >
 > Ok. And your fix is to ignore the [fetchChildPolicy] message? Isn't it
 evident that there's a concurrency bug in NoScript that should be fixed?

 Hmm, now that you mention it... If this race hypothetically affects real
 websites (i.e. not just `about:blank` and empty `data:` pages), then it
 seems like the NoScript policy would not be applied correctly for such a
 page, with or without the proposed Torbutton patch.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/27427#comment:14>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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