[tor-bugs] #29733 [Applications/Tor Browser]: Disable NoSript XSS protection for now due to bug 1532530

Tor Bug Tracker & Wiki blackhole at torproject.org
Mon Mar 11 20:07:38 UTC 2019


#29733: Disable NoSript XSS protection for now due to bug 1532530
---------------------------------------------+-----------------------------
 Reporter:  gk                               |          Owner:  tbb-team
     Type:  defect                           |         Status:
                                             |  needs_review
 Priority:  Very High                        |      Milestone:
Component:  Applications/Tor Browser         |        Version:
 Severity:  Normal                           |     Resolution:
 Keywords:  noscript, TorBrowserTeam201903R  |  Actual Points:
Parent ID:                                   |         Points:
 Reviewer:                                   |        Sponsor:
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Comment (by gk):

 Replying to [comment:2 ma1]:
 > For reference, the upstream Mozilla bug is
 https://bugzilla.mozilla.org/show_bug.cgi?id=1532530
 >
 > This seems exceedingly drastic as a work-around.

 Well, OnionShare and SecureDrop are important tools, especially for people
 in dangerous situations. The risk here is that they mess up by not
 understanding the workarounds done by others or using a different unsafe
 tool altogether. We should avoid those failure cases.

 > What if I provide an option to just disable XSS injection checks on POST
 parameters (which would prevent the requestBody listener from being
 registered), and possibly another option to ask user confirmation for POST
 requests from JavaScript-disabled sites to TRUSTED ones, in order to
 mitigate the loss of protection?

 I think that would work for me (even though I admit that I was looking
 forward to "solve" the XSS related freezes with the patch, too :) (see:
 #29647 for details)) as long as it works for the SecureDrop/OnionShare
 users.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/29733#comment:3>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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