#13018: Math routines are OS fingerprintable -------------------------------------------------+------------------------- Reporter: mikeperry | Owner: tbb- | team Type: defect | Status: new Priority: Medium | Milestone: Component: Applications/Tor Browser | Version: Severity: Normal | Resolution: Keywords: tbb-fingerprinting-os-version, | Actual Points: ff31-esr | Parent ID: | Points: Reviewer: | Sponsor: -------------------------------------------------+-------------------------
Comment (by Thorin): Replying to [comment:31 cypherpunks]: > Why isn't https://bugzilla.mozilla.org/show_bug.cgi?id=531915 added to RFP? Alrighty! I've been trying to re-find that ticket for quite a few weeks. Used it many months ago and promptly lost it. Thanks. I will pass on the ticket number to the Tor Uplift guys > it's possible to detect some distros such way Comment 18 was 5 years ago. So far, and my resources are limited (and as an upstream problem means more than Tor Browser, which already changes their math FP), I have found nothing so far that leaks anything more than major platform (win/linux/mac) and in some instances 32/64 bit builds or OS architecture (some by default: eg a 64 bit build must be on a 64bit OS). I wanted to get a ticket at bugzilla opened. I have no idea how much work or complexity and potential issues lie with using the same libraries over all platforms (which is what Chrome seems to be doing: they have the same FP regardless of anything I test on). -- Ticket URL: <https://trac.torproject.org/projects/tor/ticket/13018#comment:32> Tor Bug Tracker & Wiki <https://trac.torproject.org/> The Tor Project: anonymity online
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