#17207: Testing navigator.mimeTypes for known names can reveal info and increase
fingerprinting risk
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Reporter: TemporaryNick | Owner: tbb-team
Type: defect | Status: needs_information
Priority: normal | Milestone:
Component: Tor Browser | Version:
Resolution: | Keywords: tbb-fingerprinting
Actual Points: | Parent ID:
Points: | Sponsor:
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Comment (by teor):
In Tor Browser 5.0.3 on OS X 10.10.5, I can't retrieve the length
`navigator.mimeTypes.length` or list of members `navigator.mimeTypes`.
But I can query for a member (as TemporaryNick describes).
Can you try the attached script with `if (navigator.mimeTypes.length > 0)
{` and the corresponding brace commented out?
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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/17207#comment:5>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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