OpenSSL Key Recovery Attack on DH small subgroups (CVE-2016-0701)
OpenSSL Key Recovery Attack on DH small subgroups (CVE-2016-0701) Usual Mandatory Disclaimer: IANAC (I am not a cryptographer) so I might likely end up writing a bunch of mistakes in this blog post... tl;dr The OpenSSL 1.0.2 releases suffer from a Key Recovery Attack on DH small subgroups. This issue got assigned CVE-2016-0701 with a severity of High and OpenSSL 1.0.2 users should upgrade to 1.0.2
OpenSSL command line Root and Intermediate CA including OCSP, CRL and revocation - Raymii.org
OpenSSL command line Root and Intermediate CA including OCSP, CRL and revocation Published: 03-03-2015 | Last update: 17-12-2018 | Author: Remy van Elst | Text only version of this article â— This post is over four years old. It may no longer be up to date. Opinions may have changed. These are quick and dirty notes on generating a certificate authority (CA), intermediate certificate authorities and
è¯éº—ãªã‚‹å› 数分解:FREAK攻撃ã®ä»•çµ„ã¿ - ã¼ã¡ã¼ã¡æ—¥è¨˜
1. ã¯ã˜ã‚ã« ã¡ã‚‡ã†ã©ä»Šæœ OpenSSLã‚’ã¯ã˜ã‚ã¨ã—ãŸæ§˜ã€…ãªTLS実装ã®è„†å¼±æ€§ã®è©³ç´°ãŒå…¬è¡¨ã•ã‚Œã¾ã—ãŸã€‚ ã“ã® Inriaã¨MSRã®ã‚°ãƒ«ãƒ¼ãƒ—ã¯ä»¥å‰ã‹ã‚‰TLSã®ã‚»ã‚ュリティã«é–¢ã—ã¦éžå¸¸ã«ã‚¢ã‚¯ãƒ†ã‚£ãƒ–ã«èª¿æŸ»ãƒ»æ¤œè¨¼ã‚’ã—ã¦ã„るグループã§ã€ä»Šå›žã‚‚é©šãã®å†…容ã§ã—ãŸã€‚ ã“ã®ã‚°ãƒ«ãƒ¼ãƒ—ã¯ã€TLSã®ãƒãƒ³ãƒ‰ã‚·ã‚§ã‚¤ã‚¯æ™‚ã®çŠ¶æ…‹é·ç§»ã‚’厳密ã«ãƒã‚§ãƒƒã‚¯ã™ã‚‹ãƒ„ールを開発ã—ã€æ§˜ã€…ãªTLS実装ã®è„†å¼±æ€§ã‚’ç™ºè¦‹ãƒ»å ±å‘Šã‚’è¡Œã£ã¦ã„ãŸã‚ˆã†ã§ã™ã€‚ 特ã«FREAKã¨å‘¼ã°ã‚Œã‚‹OpenSSLã®è„†å¼±æ€§(CVE-2015-0204)ã«é–¢ã—ã¦ã¯ã€ã¡ã‚‡ã†ã©ä¿®æ£ç›´å¾Œã®1月åˆã‚ã« Only allow ephemeral RSA keys in export ciphersuites ã§è¦‹ã¦ã„ã¾ã—ãŸãŒã€å…·ä½“çš„ã«ã©ã®ã‚ˆã†ã«æ”»æ’ƒã™ã‚‹ã®ã‹ã•ã£ã±ã‚Šã‚¤ãƒ¡ãƒ¼ã‚¸ã§ããšã€ã‚ã®ã‚°ãƒ«ãƒ¼ãƒ—ã ã‹ã‚‰ã¾ãŸè¶…絶変態ãªæ‰‹æ³•ã ã‚ã†ãŒã€ã¾ããã‚Œã»ã©æ·±åˆ»ã˜ã‚ƒãªã„ã ã‚ã†ã¨è¦‹è¾¼ã‚“ã§ã„ã¾ã—ãŸã€‚ 今回
ubuntu 14.04ã§ä¸€éƒ¨HTTPSãªã‚µã‚¤ãƒˆãŒè¦‹ã‚Œãªã„å•é¡Œã¸ã®è§£æ±º | Gehirn News
ã¯ã˜ã‚ã¾ã—ã¦ã€ã‚²ãƒ’ルンニュース。イケメンè·å“¡ã®ã†ã¿ã•ã¾ã§ã™ã€‚ 今日ã¯ã€ã‚²ãƒ’ルンニュースã®æŠ•ç¨¿æ•°æ¸›å°‘ã«æ¯æ¢ã‚ã‚’ã‹ã‘ã‚‹ãŸã‚ã€ä¸€éƒ¨ã®HTTPSãªã‚µã‚¤ãƒˆã«æŽ¥ç¶šã§ããªã„å•é¡Œã‚’解決ã™ã‚‹æ–¹æ³•ã«ã¤ã„ã¦æ›¸ãã¾ã™ã€‚ ã“ã®å•é¡Œã¯Ubuntu14.04ãªã©ã®OpenSSL1.0.1aã‹ã‚‰1.0.1fを採用ã™ã‚‹ç’°å¢ƒã«ãŠã„ã¦ç™ºç”Ÿã™ã‚‹ã‚ˆã†ã§ã™ã€‚ ã¾ã¨ã‚ ã¡ã‚‡ã£ã¨é•·ã„ã®ã§ã€å…ˆã«ã¾ã¨ã‚ã ã‘。 Ubuntu14.04ãªã©ãŒæŽ¡ç”¨ã™ã‚‹OpenSSL1.0.1fã«ã¯ã€ä¸€éƒ¨HTTPSサイトã«æŽ¥ç¶šã§ããªã„å•é¡ŒãŒã‚る。 1.0.1gã§å¯¾å‡¦ã•ã‚Œã¦ã„ã‚‹ãŸã‚ã€ãƒ‘ッãƒãƒ³ã‚°ã™ã‚‹ã“ã¨ã§è§£æ±ºãŒå¯èƒ½ OpenSSLã¯é”窟ã ã£ãŸ ç¾è±¡ã®å†…容 先日ã€å¼Šç¤¾ãŒæ³•äººå‘ã‘ã«æä¾›ã—ã¦ã„ã‚‹PaaS(Ubuntu14.04を使用)ã«ã¦ã€ç‰¹å®šã®HTTPSサイトã«æŽ¥ç¶šã§ããªã„ï¼ã¨ã„ã†éšœå®³å ±å‘ŠãŒä¸ŠãŒã‚Šã¾ã—ãŸã€‚ 調ã¹ã¦ã¿ã‚‹ã¨ã€ç¢ºã‹ã« ã¨ã—ã¦ã‚‚å¿œç”ã‚’å—ã‘å–ã‚‹ã“ã¨ãŒã§ããšã€ä¸€éƒ¨ã®H
ImperialViolet - BoringSSL
Earlier this year, before Apple had too many goto fails and GnuTLS had too few, before everyone learnt that TLS heart-beat messages were a thing and that some bugs are really old, I started a tidy up of the OpenSSL code that we use at Google. We have used a number of patches on top of OpenSSL for many years. Some of them have been accepted into the main OpenSSL repository, but many of them don’t m
OpenSSL Valhalla Rampage
Many thanks to all of the awesome hackers that have made this release possible. Again, if you like the work that OpenBSD is doing, please donate here Provide a ressl config function that explicitly clears keys. Now that ressl config takes copies of the keys passed to it, the keys need to be explicitly cleared. While this can be done by calling the appropriate functions with a NULL pointer, it is s
OpenBSD has started a massive strip-down and cleanup of OpenSSL
OpenBSD has started a massive strip-down and cleanup of OpenSSL Contributed by phessler on 2014-04-15 from the how-i-learned-to-stop-worrying-and-shine-the-turd dept. The denizens of lobste.rs (and no doubt you, eagle-eyed reader!) have made note of the ongoing rototilling of the OpenSSL code in OpenBSD, and Joshua Stein (jcs@) has chimed in with a quick breakdown of the action thus far: Changes s
OpenOpenSSL
the main OpenOpenSSL pageAbout OpenOpenSSL Project Goals Hardware Platforms Daily Changelog Security Crypto Events Papers Press Commercial Support Getting OpenOpenSSL CDs/T-shirts/Posters Getting Releases Installing OpenOpenSSL Getting Source AnonCVS CVSync Web OpenOpenSSL Resources Manuals FAQ Patches Reporting Mailing Lists Application Packages Books that Help Supporting Open
OpenBSDãŒOpenSSLã®å¤§æŽƒé™¤ã«ç€æ‰‹ã€ã€ŒOpenOpenSSLã€ã‚µã‚¤ãƒˆã‚‚ç«‹ã¡ä¸ŠãŒã‚‹ | スラド オープンソース
OpenBSDãŒOpenSSLã®å¤§æŽƒé™¤ã«ç€æ‰‹ã—ã¦ã„ã¾ã™ï¼ˆslashdot）。 ãŸã¨ãˆã°libssl/src/sslを見るã¨ã€CVSã«ç½µå€’ã¨ä¿®æ£ãŒã²ã£ãã‚Šãªã—ã«è¨˜éŒ²ã•ã‚Œã¦ã„ã¾ã™ã€‚ Heatbleed対ç–ã®ãƒ‘ッãƒã ã‘ã§æº€è¶³ã—ãªã‹ã£ãŸç†ç”±ã¯ã€å½¼ã‚‰ã‹ã‚‰è¦‹ã¦HeartbleedãŒå˜ãªã‚‹ãƒã‚°ã‚„仕様ã®å•é¡Œã§ã¯ãªãã€ã‚»ã‚ュリティæ„è˜ã®å•é¡Œã‹ã‚‰ç”£ã¾ã‚ŒãŸã‚‚ã®ã ã‹ã‚‰ã§ã™ã€‚ 何年もå‰ã‹ã‚‰ 「OpenSSL ã¯ã‚µãƒ«ãŒæ›¸ã„ã¦ã‚‹ã‚“ã ã‚ã†ã€ã¨æ¶æ„ã—ã¦ã„ãŸã¨ãŠã‚Šã€OpenSSL コードã®å“質ãŒä½Žã„ã“ã¨ã‚’OpenBSD開発者ãŸã¡ã¯çŸ¥ã£ã¦ã„ã¾ã—ãŸãŒã€ãã‚ŒãŒæ„è˜ã‚„責任感ã®å•é¡Œã ã¨ã„ã†ç¢ºä¿¡ã¯ã¾ã ãªã‹ã£ãŸã®ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“。 OpenBSD ã«ã¯ãƒ¡ãƒ¢ãƒªé˜²è·æ©Ÿæ§‹ãŒã‚ã‚Šã¾ã™ã®ã§ã€Heartbleed脆弱性ãŒã‚ã£ã¦ã‚‚当åˆã€malloc.confã«Jオプションを付ã‘ã‚Œã°free済ã¿ãƒ¡ãƒ¢ãƒªã¯ã‚·ãƒ¥ãƒ¬ãƒƒãƒ€ãƒ¼ã«ã‹ã‘られ秘密ã¯æ¼ã‚Œãªã„ã ã‚ã†ã¨æ€ã£ãŸãã†
Security: Heartbleed vulnerability
AI & MLLearn about artificial intelligence and machine learning across the GitHub ecosystem and the wider industry. Generative AILearn how to build with generative AI. GitHub CopilotChange how you work with GitHub Copilot. LLMsEverything developers need to know about LLMs. Machine learningMachine learning tips, tricks, and best practices. How AI code generation worksExplore the capabilities and be
AWS ã‹ã‚‰ OpenSSL ã®è„†å¼±æ€§ã«ã¤ã„㦠AWS ã®ã‚µãƒ¼ãƒ“スアップデート | アマゾン ウェブ サービス（AWS 日本語）
April 08, 2014 We have reviewed all AWS services for impact for the issue described in CVE-2014-0160 (also known as the Heartbleed bug). With the exception of the services listed below, we have either determined that the services were unaffected or have been able to apply mitigations that do not require customer action. Elastic Load Balancing: We can confirm that all load balancers affected by the
1
リリースã€éšœå®³æƒ…å ±ãªã©ã®ã‚µãƒ¼ãƒ“スã®ãŠçŸ¥ã‚‰ã›
最新ã®äººæ°—エントリーã®é…ä¿¡
j次ã®ãƒ–ックマーク
kå‰ã®ãƒ–ックマーク
lã‚ã¨ã§èªã‚€
eコメント一覧を開ã
oページを開ã
OpenSSL Security Advisory [3rd May 2016]
OpenSSH Security Advisory: x11fwd.adv
OpenSSL CVE-2016-0799: heap corruption via BIO_printf
OpenSSL Security Advisory [28th Jan 2016]
Alternative chains certificate forgery (CVE-2015-1793) | OpenSSL Security Advisory [9 Jul 2015]
"make OPENSSL_NO_HEARTBLEED the default and only option. ok deraadt miod" - src/lib/libssl/src/ssl/t1_lib.c - view - 1.16
Blog | Moneytree
{{#tags}}- {{label}}
{{/tags}}