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Re: [tor-bugs] #21784 [Applications/Tor Browser]: Check `toLocaleString()` methods for locale leaks
#21784: Check `toLocaleString()` methods for locale leaks
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Reporter: gk | Owner: tbb-
| team
Type: task | Status:
| needs_information
Priority: High | Milestone:
Component: Applications/Tor Browser | Version:
Severity: Normal | Resolution:
Keywords: ff52-esr, tbb-fingerprinting, | Actual Points:
tbb-7.0-must-alpha |
Parent ID: | Points:
Reviewer: | Sponsor:
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Changes (by arthuredelstein):
* cc: boklm (added)
* status: new => needs_information
Comment:
I have manually tested toLocaleString on Array with numbers and Dates, and
TypedArray with large integers. In both cases, I found that setting
"javascript.use_us_english_locale" to true (as we already do in Tor
Browser) was necessary and sufficient to hide the system locale.
In order to test this, we could write a simple xpcshell test, but we need
to set the environment variable `LANG` before running it. I couldn't find
anyway to do this in the standard Mozilla testing framework. Nicolas, is
this something we could do in your tor-browser-bundle-testsuite?
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21784#comment:5>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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