[tor-bugs] #17207 [Tor Browser]: Testing navigator.mimeTypes for known names can reveal info and increase fingerprinting risk
Tor Bug Tracker & Wiki
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Tue Oct 13 16:01:43 UTC 2015
#17207: Testing navigator.mimeTypes for known names can reveal info and increase
fingerprinting risk
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Reporter: | Owner: arthuredelstein
TemporaryNick | Status: assigned
Type: defect | Milestone:
Priority: major | Version:
Component: Tor | Keywords: tbb-fingerprinting,
Browser | TorBrowserTeam201510
Resolution: | Parent ID:
Actual Points: | Sponsor:
Points: |
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Comment (by arthuredelstein):
Replying to [comment:7 gk]:
> Good stuff! I thought we already had a defense against this but I could
not find anything so far.
It's interesting that `navigator.mimeTypes.length == 0`. So one would have
thought it didn't have any members.
> Arthur: do you have some spare cycles to look at this in October? I fear
all the other TBB people are busy with deadline work...
Yes -- I'll try to look at this soon.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/17207#comment:9>
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