[tor-bugs] #13875 [Tor Browser]: Tor Browser DPI spoofing is broken if the user changes zoom level
Tor Bug Tracker & Wiki
blackhole at torproject.org
Thu Dec 4 09:10:26 UTC 2014
#13875: Tor Browser DPI spoofing is broken if the user changes zoom level
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Reporter: isis | Owner: tbb-team
Type: defect | Status: new
Priority: normal | Milestone:
Component: Tor Browser | Version:
Resolution: | Keywords: tbb-fingerprinting
Actual Points: | Parent ID:
Points: |
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Comment (by poly):
hello, poly here. Sorry for the late reply, I'm just getting used to the
trac system.
I created a writeup (with photos!) to clarify the windows dpi scaling and
another POC to show that the actual zoom level can be inferred. Skip to
the description section for the relevant stuff. Can anyone try the second
POC and comment on how reliable it is?
http://darkdepths.net/dpi-leaks-in-tor-browser.html
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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/13875#comment:4>
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