commit 85c2d2ba72ee74f5f7b63fc2686c01689e791ebc Author: Arthur Edelstein arthuredelstein@gmail.com Date: Sat Jul 14 08:50:55 2018 -0700

Bug 26353: Prevent speculative connect that violated FPI.

Connections were observed in the catch-all circuit when the user entered an https or http URL in the URL bar, or typed a search term. --- toolkit/components/remotebrowserutils/RemoteWebNavigation.jsm | 4 ++++ 1 file changed, 4 insertions(+)

diff --git a/toolkit/components/remotebrowserutils/RemoteWebNavigation.jsm b/toolkit/components/remotebrowserutils/RemoteWebNavigation.jsm index ae551496509a..81b5ceaa78fe 100644 --- a/toolkit/components/remotebrowserutils/RemoteWebNavigation.jsm +++ b/toolkit/components/remotebrowserutils/RemoteWebNavigation.jsm @@ -93,6 +93,9 @@ class RemoteWebNavigation { }

uri = Services.uriFixup.getFixupURIInfo(aURI, fixupFlags).preferredURI; +/******************************************************************************* + TOR BROWSER: Disable the following speculative connect until + we can make it properly obey first-party isolation.

// We know the url is going to be loaded, let's start requesting network // connection before the content process asks. @@ -116,6 +119,7 @@ class RemoteWebNavigation { } Services.io.speculativeConnect(uri, principal, null); } +*******************************************************************************/ } catch (ex) { // Can't setup speculative connection for this uri string for some // reason (such as failing to parse the URI), just ignore it.