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Subject: Re: [Mailman-Developers] Possible yahoogroups problem.
From: Jim Trigg <blaise @ scadian . net>
Date: Tue, 8 Jul 2003 12:12:10 -0400
To: list-managers @ greatcircle . com
In-reply-to: <1057670346.1546.58.camel@anthem>
Mail-followup-to: list-managers@greatcircle.com
References: <FA971FF0-B107-11D7-B4AD-0003934516A8@plaidworks.com> <1057670346.1546.58.camel@anthem>
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On Tue, Jul 08, 2003 at 09:19:07AM -0400, Barry Warsaw wrote:
> On Tue, 2003-07-08 at 01:49, Chuq Von Rospach wrote:
> 
> > So I'm worried that someone's figured out how to circumvent yahoo's  
> > confirmation process. I wanted to bring this up with Yahoo, but they  
> > evidently weren't interested.
> 
> Okay, so /that/ sucks.
> 
> > (and the reason I'm posting this to mailman-developers: just a general  
> > question, since I haven't had time to look it up myself: does the  
> > mailman confirmation process use an algorithm that could potentially be  
> > reverse engineered? If it happened to Yahoo, it could happen to  
> > Mailman. Even if it didn't happen to Yahoo, it could happen to other  
> > services if their confirmations can be predicted in some way.
> 
> But maybe I'm missing an obvious hole, either in the cookie generation
> or somewhere else in the confirmation process.

The only obvious hole I see is interception of the outgoing message
containing the cookie...

Jim Trigg
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