Re: [TLS] Another IRINA bug in TLS

Kurt Roeckx <kurt@roeckx.be> Sat, 23 May 2015 10:16 UTC

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Date: Sat, 23 May 2015 12:16:09 +0200
From: Kurt Roeckx <kurt@roeckx.be>
To: "Yngve N. Pettersen" <yngve@spec-work.net>
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References: <CACsn0ckaML0M_Foq9FXs5LA2dRb1jz+JDX7DUej_ZbuSkUB=tQ@mail.gmail.com> <1432141085848.37685@microsoft.com> <1432193344.3243.2.camel@redhat.com> <1432202373093.34978@microsoft.com> <9A043F3CF02CD34C8E74AC1594475C73AB028124@uxcn10-tdc05.UoA.auckland.ac.nz> <op.xyzc65g63dfyax@killashandra.invalid.invalid>
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Subject: Re: [TLS] Another IRINA bug in TLS
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On Thu, May 21, 2015 at 12:10:07PM +0200, Yngve N. Pettersen wrote:
> 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.

Hubert Kario's latest results on
https://securitypitfalls.wordpress.com/2015/03/29/march-2015-scan-results/
show:
EXP-EDH-RSA-DES-CBC-SHA 22110     4.5043%


Kurt