[Catalog-sig] Fwd: readthedocs.org or packages.python.org?

[M.-A. Lemburg]

On 06.02.2013 23:28, Donald Stufft wrote:
> On Wednesday, February 6, 2013 at 5:06 PM, martin at v.loewis.de wrote:
>>> Javascript hosted on packages.python.org (http://packages.python.org) has access to cookies on 
>>> python.org (http://python.org), If python.org (http://python.org) has
>>> any sort of login it's trivial to steal a session cookie.
>>>
>>
>>
>> No, it doesn't. Cookies for "python.org (http://python.org)" are not available to 
>> "packages.python.org (http://packages.python.org)".
>> It would have to be a cookie for ".python.org (http://python.org)". We don't issue such cookies.
>>
> http://code.google.com/p/browsersec/wiki/Part2#Same-origin_policy_for_cookies
> 
> Specifically:
> 
> Note: according to one of the specs, domain wildcards should be marked with a preceeding period, so .example.com would denote a wildcard match for the entire domain - including, somewhat confusingly, example.com proper - whereas foo.example.com would denote an exact host match. Sadly, no browser follows this logic, and domain=example.com is exactly equivalent to domain=.example.com. There is no way to limit cookies to a single DNS name only, other than by not specifying domain= value at all - and even this does not work in Microsoft Internet Explorer; likewise, there is no way to limit them to a specific port.

A forced redirect from python.org to www.python.org should fix this,
provided that no service on *.python.org uses a .python.org
(or python.org) cookie.

Also see:
http://serverfault.com/questions/153409/can-subdomain-example-com-set-a-cookie-that-can-be-read-by-example-com

-- 
Marc-Andre Lemburg
eGenix.com

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