full-disclosure - Re: Exploiting sibling domains cookie isolation policy to DoS CDN users

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Date: Thu, 11 Apr 2013 09:32:36 -0700
From: Michal Zalewski <lcamtuf@...edump.cx>
To: Jan Wrobel <wrr@...edbit.org>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: Exploiting sibling domains cookie isolation
 policy to DoS CDN users

This is fairly well-known, I think; for example, there's a mention of this
here (search for appspot.com):

http://lcamtuf.blogspot.com/2010/10/http-cookies-or-how-not-to-design.html

I think it's also covered in "The Tangled Web"; it's also why you see
domains such as blogspot.com and appspot.com in PSL:

http://mxr.mozilla.org/mozilla-central/source/netwerk/dns/effective_tld_names.dat?raw=1

/mz

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