Re: [PATCH] Support bump-ssl-server-first and mimic SSL server certificates

From: Tsantilas Christos <chtsanti_at_users.sourceforge.net>
Date: Tue, 17 Jul 2012 19:36:33 +0300

On 07/16/2012 05:43 AM, Amos Jeffries wrote:
> On 16.07.2012 14:42, Amos Jeffries wrote:
>> On 13.07.2012 05:30, Tsantilas Christos wrote:
>>>
>>>> src/forward.cc:
>>>> * It seems that selectPeerForIntercepted() is permitting pinned
>>>> destinations to pass-thru when Host header is non-validated.
>>>> Malicious intercepted clients now only need to send www-auth
>>>> credentials for a connection-auth scheme (triggering pinning) to be
>>>> able
>>>> to make poisoning attacks on any followup pipelined request.
>>>> eg:
>>>> GET / HTTP/1.1
>>>> Host: cahoots.server
>>>> WWW-authenticate: NTLM fake
>>>> \r\n
>>>> GET /poisoned-URI/ HTTP/1.1
>>>> Host: victim.site
>>>
>>> Inside selectPeerForIntercept there is the call:
>>> client->validatePinnedConnection
>>> Which checks if the host header is the correct one and if it is not
>>> unpins the connection.
>>>
>>
>> I've been considering this more and it appears that your point stands
>> up well. This is something we need in 3.2.
>>
>> Would you mind applying the particular selectPeerForIntercepted()
>> creation change separately as a new partial for the fix on bug 3579?
>
> Meh. I meant bug 3478.

Amos, I believe this is not a solution to this bug

>
> Amos
>
Received on Tue Jul 17 2012 - 16:37:11 MDT

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