Good News from Singapore

The IETF had its 100th meeting the week of November 13. It was held in Singapore. I want to report on two pieces of good news. The first is that it seems like TLS 1.3 is ready to advance through the IETF process. As I wrote last month, the problem was that outdated or buggy network devices betwee...

SUSE SLED12 / SLES12 Security Update : MozillaFirefox, mozilla-nss, mozilla-nspr, java-1_8_0-openjdk (SUSE-SU-2017:1248-1)

Mozilla Firefox was updated to the Firefox ESR release 45.9. Mozilla NSS was updated to support TLS 1.3 close to release draft and various new ciphers, PRFs, Diffie Hellman key agreement and support for more hashes. Security issues fixed in Firefox bsc1035082 - MFSA 2017-11/CVE-2017-5469: Potenti...

SUSE SLES11 Security Update : MozillaFirefox, mozilla-nss, mozilla-nspr (SUSE-SU-2017:1175-1)

Mozilla Firefox was updated to the Firefox ESR release 45.9. Mozilla NSS was updated to support TLS 1.3 close to release draft and various new ciphers, PRFs, Diffie Hellman key agreement and support for more hashes. Security issues fixed in Firefox bsc1035082 - MFSA 2017-11/CVE-2017-5469: Potenti...

SUSE-SU-2017:1175-1 Security update for MozillaFirefox, mozilla-nss, mozilla-nspr

Mozilla Firefox was updated to the Firefox ESR release 45.9. Mozilla NSS was updated to support TLS 1.3 close to release draft and various new ciphers, PRFs, Diffie Hellman key agreement and support for more hashes. Security issues fixed in Firefox bsc1035082 - MFSA 2017-11/CVE-2017-5469: Potenti...

Go Time #32 - Hellogopher, whosthere?

I joined Erik St. Martin, Carlisia Pinto and Brian Ketelsen for episode 32 of the Go Time podcast to chat about Hellogopher, whosthere whoami.filippo.io, $GOPATH, TLS 1.3, Cloudflare's secret reverse proxy, and more. Go Time 32 — Hellogopher, whosthere? with Filippo Valsorda hellogopher — "just...

TLS 1.3 at 33c3

Nick Sullivan and I gave a talk about TLS 1.3 at 33c3, the latest Chaos Communication Congress. Here's the Fahrplan entry. We spoke about the flow of TLS 1.2 vs. TLS 1.3, how it manages to save a round trip, resumption and 0-RTT, forward secrecy and replays, all the things that were removed, all...

Mozilla Turning TLS 1.3 On By Default With Firefox 52

When Mozilla ships Firefox 52, on or around March 7, 2017, the browser will come with the cryptographic protocol TLS 1.3 on by default. Martin Thomson, a principle engineer at Mozilla broke the news Wednesday in an email to Mozilla Development Platform members. “TLS 1.3 removes old and unsafe...

TLS nonce-nse

Starting a series of blog posts on TLS 1.3, I published my notes on the landscape of cipher nonces in TLS across versions, to help me clean up the implementation. Comes with hand-drawn diagrams! TLS nonce-nse | CloudFlare Blog archive...

Security update for MozillaFirefox, mozilla-nss (important)

MozillaFirefox was updated to version 49.0 boo999701 - New features Updated Firefox Login Manager to allow HTTPS pages to use saved HTTP logins. Added features to Reader Mode that make it easier on the eyes and the ears Improved video performance for users on systems that support SSE3 without...

openSUSE Security Update : MozillaFirefox / mozilla-nss (openSUSE-2016-1119)

This update for MozillaFirefox and mozilla-nss fixes the following issues : MozillaFirefox was updated to version 49.0 boo999701 - New features - Updated Firefox Login Manager to allow HTTPS pages to use saved HTTP logins. - Added features to Reader Mode that make it easier on the eyes and the ea...

An overview of TLS 1.3

I presented TLS 1.3 to the CloudFlare London office. Why it's faster, how it works, why it's safer, what's clever about it. The talk is recorded and comes with colored diagrams. There's a transcript on the CloudFlare blog. Update: you might want to watch my 33c3 talk on the same topic instead. An...

Security update for MozillaFirefox, mozilla-nss (important)

This update for MozillaFirefox and mozilla-nss fixes the following issues: MozillaFirefox was updated to version 49.0 boo999701 - New features Updated Firefox Login Manager to allow HTTPS pages to use saved HTTP logins. Added features to Reader Mode that make it easier on the eyes and the ears...

Security update for MozillaFirefox, mozilla-nss (important)

Mozilla Firefox was updated to 48.0 to fix security issues, bugs, and deliver various improvements. The following major changes are included: - Process separation e10s is enabled for some users - Add-ons that have not been verified and signed by Mozilla will not load - WebRTC enhancements - The...

Security update for MozillaFirefox, mozilla-nss (important)

Mozilla Firefox was updated to 48.0 to fix security issues, bugs, and deliver various improvements. The following major changes are included: - Process separation e10s is enabled for some users - Add-ons that have not been verified and signed by Mozilla will not load - WebRTC enhancements - The...

BSI-TR-03116-4 Policy

The German Federal Office for Information Security published a guideline with specifications for the use of communication methods. This script checks the specifications for securing communication using TLS by testing if at least one of the mandatory cipher suites are enabled on the target: - TLS...

SLOTH Collisions Attacks Against SHA-1, MD5 in TLS, IKE, SSH

If you’re hanging on to the theory that collision attacks against SHA-1 and MD5 aren’t yet practical, two researchers from INRIA, the French Institute for Research in Computer Science and Automation, have demonstrated new attacks that raise the urgency to move away from these broken cryptographic...

SUSE SLED12 / SLES12 Security Update : MozillaFirefox / mozilla-nss (SUSE-SU-2014:1510-1)

update to Firefox 31.2.0 ESR bnc900941 - MFSA 2014-74/CVE-2014-1574/CVE-2014-1575 bmo1001994, bmo1011354, bmo1018916, bmo1020034, bmo1023035, bmo1032208, bmo1033020, bmo1034230, bmo1061214, bmo1061600, bmo1064346, bmo1072044, bmo1072174 Miscellaneous memory safety hazards rv:33.0/rv:31.2 - MFSA...

openSUSE Security Update : firefox / mozilla-nspr / mozilla-nss and seamonkey (openSUSE-SU-2014:1345-1)

update to Firefox 33.0 bnc900941 New features : - OpenH264 support sandboxed - Enhanced Tiles - Improved search experience through the location bar - Slimmer and faster JavaScript strings - New CSP Content Security Policy backend - Support for connecting to HTTP proxy over HTTPS - Improved...

Threatpost News Wrap, May 9, 2014

Dennis Fisher and Mike Mimoso discuss the major news stories of the last couple of weeks, including the proposal in TLS 1.3 to drop RSA key transport, the Snapchat FTC settlement and the end of Windows XP support. And no Heartbleed talk! Download: digitalunderground153.mp3 Music by Chris Gonsalve...

TLS 1.3 Has Consensus to Deprectate RSA Key Transport

The IETF working group responsible for the TLS 1.3 standard is closing in on a decision to remove RSA key transport cipher suites from the protocol. Decades-old RSA-based handshakes don’t cut it anymore, according to experts, who are anxious to put a modern protocol in place, one that can fend of...