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JPCERTコーディãƒãƒ¼ã‚·ãƒ§ãƒ³ã‚»ãƒ³ã‚¿ãƒ¼(JPCERT/CC: Japan Computer Emergency Response Team Coordination Center)ã¯2月8æ—¥ã€ã€ŒJVNVU#91213144: OpenSSLã«è¤‡æ•°ã®è„†å¼±æ€§ã€ã«ãŠã„ã¦ã€OpenSSLã«é‡å¤§ãªã‚»ã‚ュリティ脆弱性ãŒè¤‡æ•°å˜åœ¨ã™ã‚‹ã¨ä¼ãˆãŸã€‚ã“れら脆弱性ãŒæ‚ªç”¨ã•ã‚Œã‚‹ã¨ã€ã‚µãƒ¼ãƒ“スé‹ç”¨å¦¨å®³(DoS: Denial of Service)ã‚’å—ã‘ãŸã‚Šã€ãƒ¦ãƒ¼ã‚¶ãƒ¼ãŒã‚µãƒ¼ãƒã¸é€ä¿¡ã—ãŸã‚¢ãƒ—リケーションã®ãƒ‡ãƒ¼ã‚¿ã‚’復å·ã•ã‚ŒãŸã‚Šã™ã‚‹å±é™ºæ€§ãŒã‚る。 JVNVU#91213144: OpenSSLã«è¤‡æ•°ã®è„†å¼±æ€§ 脆弱性ã®è©³ç´°ã¯ã€OpenSSLプãƒã‚¸ã‚§ã‚¯ãƒˆã«ã‚ˆã‚‹æ¬¡ã®ã‚»ã‚ュリティアドãƒã‚¤ã‚¶ãƒªã«ã¾ã¨ã‚られã¦ã„る。 OpenSSL Security Advisory [7th February 2023] 脆弱性ãŒå˜åœ¨ã™ã‚‹ã¨ã•ã‚Œã‚‹ãƒ—ãƒãƒ€
OpenSSL ã®è„†å¼±æ€§å¯¾ç–ã«ã¤ã„ã¦(CVE-2022-3602ã€CVE-2022-3786) | æƒ…å ±ã‚»ã‚ュリティ | IPA 独立行政法人 æƒ…å ±å‡¦ç†æŽ¨é€²æ©Ÿæ§‹
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The OpenSSL punycode vulnerability (CVE-2022-3602): Overview, detection, exploitation, and remediation | Datadog Security Labs
emerging threats and vulnerabilities The OpenSSL punycode vulnerability (CVE-2022-3602): Overview, detection, exploitation, and remediation November 1, 2022 emerging vulnerability On November 1, 2022, the OpenSSL Project released a security advisory detailing a high-severity vulnerability in the OpenSSL library. Deployments of OpenSSL from 3.0.0 to 3.0.6 (included) are vulnerable and are fixed in
OpenSSL version 3.0.7 published
OpenSSL openssl at openssl.org Tue Nov 1 15:42:06 UTC 2022 Next message (by thread): OpenSSL version 1.1.1s published Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 OpenSSL version 3.0.7 released ============================== OpenSSL - The Open Source toolkit for SSL/TLS https://www.openssl.org/ The OpenSSL project team is pleased to
OpenSSL warns of critical security vulnerability with upcoming patch
So we should all be concerned that Mark Cox, a Red Hat Distinguished Software Engineer and the Apache Software Foundation (ASF)'s VP of Security, this week tweeted, "OpenSSL 3.0.7 update to fix Critical CVE out next Tuesday 1300-1700UTC." How bad is "Critical"? According to OpenSSL, an issue of critical severity affects common configurations and is also likely exploitable. It's likely to be abused
If OpenSSL were a GUI
"When something exceeds your ability to understand how it works, it sort of becomes magical." - Jony Ive *This is incomplete. It covers about 80% of one corner of OpenSSL's functionality. The certificate policy options have a lot more knobs that I didn't include. Carl Tashian (Website, LinkedIn) is an engineer, writer, exec coach, and startup all-rounder. He's currently an Offroad Engineer at Smal
Linuxã®kernel TLSã§nginxã®SSL_sendfileを試ã—ã¦ã¿ãŸ · hnakamur's blog
2021-10-31ã¯ã˜ã‚ã«OpenSSLã®SSL_sendfileã¨ãƒ‘ッãƒã‚’当ã¦ãŸnginxã§Linuxã®kTLSを試ã—ã¦ã¿ãŸ · hnakamur’s blog を書ã„ã¦ã‹ã‚‰1å¹´åŠçµŒã£ã¦çŠ¶æ³ãŒå¤‰ã‚ã£ã¦ã„ãŸã®ã§å†åº¦è©¦ã—ã¦ã¿ã¾ã—ãŸã€‚ 9æ—¥å‰ã« SSL: SSL_sendfile() support with kernel TLS. · nginx/nginx@1fc61b7 㧠Linux ã® kernel TLS を使ã£ã¦ sendfile ã™ã‚‹ã‚³ãƒ¼ãƒ‰ãŒ nginx ã«å…¥ã£ã¦ã„ã¾ã—ãŸã€‚ コミットメッセージã«ã‚ˆã‚‹ã¨ enable-tls オプションを有効ã«ã—㟠OpenSSL 3.0 ãŒå¿…è¦ã¨ã®ã“ã¨ã§ã™ã€‚ 検証環境$ cat /etc/os-release | grep ^VERSION= VERSION="20.04.3 LTS (Focal Fossa)" $ uname -r 5.1
Let's Encryptã®DST Root X3ルート証明書ã®æœŸé™åˆ‡ã‚Œã¨OpenSSLã®å½±éŸ¿ã«ã¤ã„ã¦ã„ã‚ã„ã‚試ã—ã¦ã¿ãŸ
Let's Encryptã§ã“ã‚Œã¾ã§é•·ã使用ã•ã‚Œã¦ããŸIdentrust社発行ã®DST Root X3ルート証明書ãŒã€æ—¥æœ¬æ™‚é–“2021å¹´9月30æ—¥23時1分15秒ã«æœŸé™åˆ‡ã‚Œã«ãªã‚Šã¾ã—ãŸã€‚å分時間をå–ã£ã¦äº‹å‰ã«ç§»è¡Œè¨ˆç”»ã‚„影響範囲ã€æ•‘ãˆã‚‹ç’°å¢ƒã€æ•‘ãˆãªã„環境ãªã©ã‚¢ãƒŠã‚¦ãƒ³ã‚¹ã‚’ã—ã¦ãã¾ã—ãŸãŒã€ã‚„ã¯ã‚Šã€æœŸé™åˆ‡ã‚Œä»¥é™ã€æ§˜ã€…ãªã‚µãƒ¼ãƒ“スや製å“ã§æŽ¥ç¶šã§ããªã„ã¨ã„ã£ãŸå£°ãŒä¸ŠãŒã£ã¦ãã¾ã—ãŸã€‚ 特ã«OpenSSLã«é–¢ã—ã¦ã¯ã€OpenSSL 1.0.2以å‰ã«å½±éŸ¿ãŒã‚ã‚‹ã¨9月13æ—¥ã«äº‹å‰ã®æ³¨æ„å–šèµ·ãŒOpenSSLå…¬å¼ãƒ–ãƒã‚°ã§ã‚ã£ãŸã«ã‚‚ã‹ã‹ã‚らãšã€è£½å“やサービスã®å¥¥åº•ã§ä½¿ã‚ã‚Œã¦ã„ã¦æ°—ã¥ã‹ãªã‹ã£ãŸã®ã‹ã€æ§˜ã€…ãªOSや製å“ã§å¤ã„ã‚‚ã®ãŒçµ„ã¿è¾¼ã¿ã§ä½¿ã‚ã‚Œã¦ã„ãŸãŸã‚ã«å½±éŸ¿ãŒåºƒã‹ã£ãŸã‚ˆã†ã«æ€ã„ã¾ã™ã€‚ OpenSSLã‹ã‚‰ã®æ³¨æ„å–šèµ·ã®æ¦‚è¦ 2021å¹´9月30æ—¥ã«Let's Encryptã®DST Root X3ルート証明書ã®æœŸé™ãŒåˆ‡ã‚Œã‚‹ã«
Let's Encryptã®ãƒ«ãƒ¼ãƒˆCA期é™åˆ‡ã‚Œã§ OpenSSL 1.0.2ãŒæ€ã‚ã¬äº‹æ•…ã‚’èµ·ã“ã™ä»¶ | 記事
2021/10/01 ISRG Root X1(2015年〜)ãªã‚‰ã¨ã£ãã«ä¿¡é ¼ã—ã¦ã‚‹ã¯ãšã¨æ€ã£ãŸï¼Ÿæ®‹å¿µï¼ ã“ã‚Œã¯ã€Let's Encryptを支ãˆã‚‹ã“ã®äºŒäººã®ãƒ«ãƒ¼ãƒˆCA㨠OpenSSLã®ç‰©èªžã§ã‚る。 - DST Root CA X3 (2000-2021) - ISRG Root X1 (2015-2035) ## 〜2021å¹´1月〜 ISRG Root X1「ã„ã¾ã¾ã§ä¸€ç·’ã«ã‚„ã£ã¦ããŸDST Root CA X3ã•ã‚“ã®å¯¿å‘½ãŒé–“近・・・ã“ã®ã¾ã¾ã ã¨åƒ•ã‚’ä¿¡é ¼ã—ã¦ãã‚Œã¦ã„ãªã„ベテランã®ï¼ˆå…·ä½“çš„ã«ã„ã†ã¨2016å¹´ãらã„ã¾ã§ã®ï¼‰å¤ã„クライアントãŸã¡ã¯ Let's Encryptã•ã‚“を信用ã—ã¦ãã‚Œãªããªã£ã¡ã‚ƒã†ãƒ»ãƒ»ãƒ»ã©ã†ã—よã†ã€ DST Root CA X3「ã©ã‚Œã€ã‚ã—ãŒæ»ã¬å‰ã«(有効期é™ãŒåˆ‡ã‚Œã‚‹å‰ã«)ãŠå‰ãŒä¿¡é ¼ã«å€¤ã™ã‚‹æ—¨ã‚’一ç†æ›¸ã„ã¦æ®‹ã›ã°ã„ã„ã˜ã‚ƒã‚ã†ã€‚サラサラ〠```text Issuer: O
Old Let's Encrypt root certificate expiration and OpenSSL 1.0.2 | OpenSSL Library
Old Let's Encrypt root certificate expiration and OpenSSL 1.0.2 The currently recommended certificate chain as presented to Let’s Encrypt ACME clients when new certificates are issued contains an intermediate certificate (ISRG Root X1) that is signed by an old DST Root CA X3 certificate that expires on 2021-09-30. In some cases the OpenSSL 1.0.2 version will regard the certificates issued by the L
OpenSSL Security Advisory : CA certificate check bypass with X509_V_FLAG_X509_STRICT (CVE-2021-3450)
OpenSSLã®è„†å¼±æ€§ï¼ˆCVE-2021-3450ã€CVE-2021-3449）ã«é–¢ã™ã‚‹æ³¨æ„å–šèµ·
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OpenSSL Client Compatibility Changes for Let’s Encrypt Certificates
For compatibility with older Android devices, we'll be relying on a signature from an expired root, which is supported by Android. However, as Ryan Sleevi points out in “Path Building vs Path Verifying,†older versions of OpenSSL will reject a certificate chain that includes a signature by an expired root, even if OpenSSL could validate the chain by ignoring that certificate. Let’s Encrypt is not
図解 X.509 証明書 - Qiita
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Firefox ã® Cipher Suite — ã—ã£ã½ã®ã•ãã£ã¡ã‚‡ | text.Baldanders.info
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Call for testing openssl TLS 1.3 support
List all available ssl ca certificates
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