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Re: [tor-bugs] #5715 [TorBrowserButton]: "New Identity" has cache race conditions that temporarily allow evercookies
#5715: "New Identity" has cache race conditions that temporarily allow evercookies
------------------------------+---------------------------------------------
Reporter: guiseppe | Owner: mikeperry
Type: defect | Status: new
Priority: critical | Milestone:
Component: TorBrowserButton | Version:
Keywords: MikePerry201205 | Parent:
Points: | Actualpoints:
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Comment(by gk):
Replying to [comment:5 mikeperry]:
> Replying to [comment:4 gk]:
> > > gk - if you have spare cycles, could you maybe test third party
images and make sure the same image url still gets 200 load requests from
two different url bar domains?
> >
> > Sure. Do you want me to test with JonDoFox as is? Or with TBB
including your fixes? Or... The TBB testing could take some time as I do
not have a TBB build environment yet.
>
> My fixes above are only relevant to New Identity. Do you make use of
https://gitweb.torproject.org/torbrowser.git/blob/maint-2.2:/src/current-
patches/firefox/0004-Add-a-string-based-cacheKey.patch in JonDos?
Not yet. But I have an alpha version of JonDoBrowser and could apply the
patch to it.
> If so, test your per-tab isolation or whatever uses it with images.
https://encrypted.google.com/images/srpr/logo3w.png seems like a fine
image to source from two tabs. If it actually loads in both tabs, it's not
cached. Tools->Web Developer->Web Console should be sufficient.
Ok. I'll see what i can do.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/5715#comment:6>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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