Re: [TLS] Another IRINA bug in TLS

"Yngve N. Pettersen" <yngve@spec-work.net> Thu, 21 May 2015 10:10 UTC

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To: "Santiago Zanella-Beguelin" <santiago@microsoft.com>, "Nikos Mavrogiannopoulos" <nmav@redhat.com>, "Peter Gutmann" <pgut001@cs.auckland.ac.nz>
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Date: Thu, 21 May 2015 12:10:07 +0200
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From: "Yngve N. Pettersen" <yngve@spec-work.net>
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Subject: Re: [TLS] Another IRINA bug in TLS
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On Thu, 21 May 2015 12:02:19 +0200, Peter Gutmann  
<pgut001@cs.auckland.ac.nz>; wrote:

> Santiago Zanella-Beguelin <santiago@microsoft.com>; writes:
>
>> We did find many HTTPS servers supporting  
>> TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA.
>
> Just to make sure that's not a typo, you're saying you *did* (not  
> didn't) find
> many servers supporting 40-bit DES as a cipher?  Wow.  How many  
> approximately,
> are we talking tens, thousands, millions?

For reference, in my 530K sample (Biased towards Alexa top million sites)  
there are 60000 servers (11.38%) that have that specific cipher suite  
enabled, as of Monday this week.


-- 
Sincerely,
Yngve N. Pettersen

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