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Re: [tor-bugs] #30683 [Applications/Tor Browser]: Properties in dom/locales/$lang/chrome/ allow detecting user locale
#30683: Properties in dom/locales/$lang/chrome/ allow detecting user locale
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Reporter: gk | Owner: tbb-
| team
Type: defect | Status:
| needs_review
Priority: High | Milestone:
Component: Applications/Tor Browser | Version:
Severity: Normal | Resolution:
Keywords: tbb-fingerprinting-locale, | Actual Points:
TorBrowserTeam201909 |
Parent ID: | Points: 0.25
Reviewer: | Sponsor:
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Comment (by acat):
Replying to [comment:15 gk]:
> Looks good. I wonder whether the ServiceWorker `ReportToAllClients()`
messages are detectable from web content actually. Have we ruled that out?
(while not being enabled in ESR 68 it will be for mobile IIRC).
I think we are good. [https://searchfox.org/mozilla-
esr68/rev/92032fc58f059a475a3f3999741fbd9d3c389b61/dom/serviceworkers/ServiceWorkerManager.cpp#1363
LocalizeAndReportToAllClients] ends up calling [https://searchfox.org
/mozilla-
esr68/rev/92032fc58f059a475a3f3999741fbd9d3c389b61/dom/console/ConsoleUtils.cpp#134
ConsoleUtils.cpp] which seems it's only logging to console. I also tested
a bit with the different error handlers in Service Workers and I could not
get a localized message.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/30683#comment:19>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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