Re: [TLS] Another IRINA bug in TLS
Santiago Zanella-Beguelin <santiago@microsoft.com> Thu, 21 May 2015 12:07 UTC
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From: Santiago Zanella-Beguelin <santiago@microsoft.com>
To: Peter Gutmann <pgut001@cs.auckland.ac.nz>, Nikos Mavrogiannopoulos <nmav@redhat.com>
Thread-Topic: [TLS] Another IRINA bug in TLS
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Date: Thu, 21 May 2015 12:06:59 +0000
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Cc: "tls@ietf.org" <tls@ietf.org>
Subject: Re: [TLS] Another IRINA bug in TLS
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No typo. Yngve's numbers are in line with ours: 44k for Alexa top 1M websites, and 1.75M for full IPv4 on port 443. That ciphersuite won't be negotiated by any modern client, but one can downgrade the handshake to use the weak DHE parameters that the server selects with it. --Santiago ________________________________________ From: Peter Gutmann <pgut001@cs.auckland.ac.nz> Sent: Thursday, May 21, 2015 11:02 AM To: Santiago Zanella-Beguelin; Nikos Mavrogiannopoulos Cc: tls@ietf.org Subject: RE: [TLS] Another IRINA bug in TLS 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? Peter.
- [TLS] Another IRINA bug in TLS Watson Ladd
- Re: [TLS] Another IRINA bug in TLS Tom Ritter
- Re: [TLS] Another IRINA bug in TLS Ilari Liusvaara
- Re: [TLS] Another IRINA bug in TLS Nikos Mavrogiannopoulos
- Re: [TLS] Another IRINA bug in TLS Aaron Zauner
- Re: [TLS] Another IRINA bug in TLS Nikos Mavrogiannopoulos
- Re: [TLS] Another IRINA bug in TLS Watson Ladd
- Re: [TLS] Another IRINA bug in TLS Salz, Rich
- Re: [TLS] Another IRINA bug in TLS Santiago Zanella-Beguelin
- Re: [TLS] Another IRINA bug in TLS Martin Rex
- Re: [TLS] Another IRINA bug in TLS Peter Gutmann
- Re: [TLS] Another IRINA bug in TLS Nikos Mavrogiannopoulos
- Re: [TLS] Another IRINA bug in TLS Nikos Mavrogiannopoulos
- Re: [TLS] Another IRINA bug in TLS Yuhong Bao
- Re: [TLS] Another IRINA bug in TLS Karthikeyan Bhargavan
- Re: [TLS] Another IRINA bug in TLS Florian Weimer
- Re: [TLS] Another IRINA bug in TLS Nikos Mavrogiannopoulos
- Re: [TLS] Another IRINA bug in TLS Santiago Zanella-Beguelin
- Re: [TLS] Another IRINA bug in TLS Peter Gutmann
- Re: [TLS] Another IRINA bug in TLS Yngve N. Pettersen
- Re: [TLS] Another IRINA bug in TLS Peter Gutmann
- Re: [TLS] Another IRINA bug in TLS Yoav Nir
- Re: [TLS] Another IRINA bug in TLS Antoine Delignat-Lavaud
- Re: [TLS] Another IRINA bug in TLS Florian Weimer
- Re: [TLS] Another IRINA bug in TLS Nikos Mavrogiannopoulos
- Re: [TLS] Another IRINA bug in TLS Florian Weimer
- Re: [TLS] Another IRINA bug in TLS Santiago Zanella-Beguelin
- Re: [TLS] Another IRINA bug in TLS Florian Weimer
- Re: [TLS] Another IRINA bug in TLS Nikos Mavrogiannopoulos
- Re: [TLS] Another IRINA bug in TLS Santiago Zanella-Beguelin
- Re: [TLS] Another IRINA bug in TLS Santiago Zanella-Beguelin
- Re: [TLS] Another IRINA bug in TLS Aaron Zauner
- Re: [TLS] Another IRINA bug in TLS Aaron Zauner
- Re: [TLS] Another IRINA bug in TLS Santiago Zanella-Beguelin
- Re: [TLS] Another IRINA bug in TLS Nikos Mavrogiannopoulos
- Re: [TLS] Another IRINA bug in TLS Dave Garrett
- Re: [TLS] Another IRINA bug in TLS Aaron Zauner
- Re: [TLS] Another IRINA bug in TLS Watson Ladd
- Re: [TLS] Another IRINA bug in TLS Santiago Zanella-Beguelin
- Re: [TLS] Another IRINA bug in TLS Santiago Zanella-Beguelin
- Re: [TLS] Another IRINA bug in TLS Santiago Zanella-Beguelin
- Re: [TLS] Another IRINA bug in TLS Dan Brown
- Re: [TLS] Another IRINA bug in TLS Watson Ladd
- Re: [TLS] Another IRINA bug in TLS Dan Brown
- Re: [TLS] Another IRINA bug in TLS Jeffrey Walton
- Re: [TLS] Another IRINA bug in TLS Nico Williams
- Re: [TLS] Another IRINA bug in TLS Peter Gutmann
- Re: [TLS] Another IRINA bug in TLS Jeffrey Walton
- Re: [TLS] Another IRINA bug in TLS Santiago Zanella-Beguelin
- Re: [TLS] Another IRINA bug in TLS Kurt Roeckx
- Re: [TLS] Another IRINA bug in TLS Karthikeyan Bhargavan
- Re: [TLS] Another INRIA bug in TLS Daniel Kahn Gillmor
- Re: [TLS] Another INRIA bug in TLS Andrei Popov
- Re: [TLS] Another INRIA bug in TLS Martin Thomson
- Re: [TLS] Another INRIA bug in TLS Martin Thomson
- Re: [TLS] Another IRINA bug in TLS Tony Arcieri
- Re: [TLS] Another INRIA bug in TLS Jeffrey Walton
- Re: [TLS] Another INRIA bug in TLS Tanja Lange
- Re: [TLS] Another IRINA bug in TLS Tanja Lange
- Re: [TLS] Another INRIA bug in TLS Andrey Jivsov
- Re: [TLS] Another IRINA bug in TLS Santiago Zanella-Beguelin
- Re: [TLS] Another INRIA bug in TLS Martin Thomson
- Re: [TLS] Another IRINA bug in TLS Santiago Zanella-Beguelin
- Re: [TLS] Another INRIA bug in TLS Karthikeyan Bhargavan
- Re: [TLS] Another IRINA bug in TLS Kurt Roeckx
- Re: [TLS] Another IRINA bug in TLS Kurt Roeckx
- Re: [TLS] Another INRIA bug in TLS Stephen Farrell
- Re: [TLS] Another IRINA bug in TLS Santiago Zanella-Beguelin
- Re: [TLS] Another INRIA bug in TLS Santiago Zanella-Beguelin
- Re: [TLS] Another IRINA bug in TLS Watson Ladd
- Re: [TLS] Another IRINA bug in TLS Jeffrey Walton
- Re: [TLS] Another IRINA bug in TLS Watson Ladd
- Re: [TLS] Another IRINA bug in TLS Peter Gutmann
- Re: [TLS] Another IRINA bug in TLS Karthikeyan Bhargavan
- Re: [TLS] Another IRINA bug in TLS Peter Gutmann
- Re: [TLS] Another IRINA bug in TLS Tanja Lange
- Re: [TLS] Another IRINA bug in TLS Santiago Zanella-Beguelin
- Re: [TLS] Another IRINA bug in TLS Peter Gutmann
- Re: [TLS] Another IRINA bug in TLS Santiago Zanella-Beguelin
- Re: [TLS] Another IRINA bug in TLS Andrey Jivsov
- Re: [TLS] Another IRINA bug in TLS Hubert Kario
- Re: [TLS] Another IRINA bug in TLS Hubert Kario
- Re: [TLS] Another IRINA bug in TLS Karthikeyan Bhargavan
- Re: [TLS] Another IRINA bug in TLS Karthikeyan Bhargavan
- Re: [TLS] Another IRINA bug in TLS Hubert Kario
- Re: [TLS] Another IRINA bug in TLS Daniel Kahn Gillmor
- Re: [TLS] Another IRINA bug in TLS Jeffrey Walton
- Re: [TLS] Another IRINA bug in TLS Andrei Popov
- Re: [TLS] Another IRINA bug in TLS Nico Williams
- Re: [TLS] Another INRIA bug in TLS Nico Williams