{"id":85674,"date":"2020-06-18T07:41:58","date_gmt":"2020-06-18T05:41:58","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-ssh-servera-dropbear-2020-79"},"modified":"2020-06-18T07:41:58","modified_gmt":"2020-06-18T05:41:58","slug":"vypusk-ssh-servera-dropbear-2020-79","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/vypusk-ssh-servera-dropbear-2020-79","title":{"rendered":"Sl\u00e4pp av SSH-servern Dropbear 2020.79","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/lists.ucc.gu.uwa.edu.au\/pipermail\/dropbear\/2020q2\/002241.html\">Presenteras<\/a><\/noindex> ny utg\u00e5va <noindex><a rel=\"nofollow\" href=\"https:\/\/matt.ucc.asn.au\/dropbear\/dropbear.html\">Dropbear 2020.79<\/a><\/noindex>, en kompakt SSH-server och klient som distribueras under MIT-licensen och anv\u00e4nds fr\u00e4mst p\u00e5 inbyggda system, s\u00e5som tr\u00e5dl\u00f6sa routrar. Dropbear k\u00e4nnetecknas av l\u00e5g minnesanv\u00e4ndning (vid statisk l\u00e4nkning med uClibc tar den endast 110 kB), m\u00f6jligheten att inaktivera on\u00f6dig funktionalitet under bygget, samt st\u00f6d f\u00f6r att kompilera klient och server i en och samma k\u00f6rfil likt busybox. Dropbear st\u00f6djer X11-omdirigering, \u00e4r kompatibel med OpenSSH nyckelfiler (~\/.ssh\/authorized_keys) och kan skapa multif\u00f6rbindelser med vidarekoppling genom en transitv\u00e4rd.<\/p>\n<p>I  <noindex><a rel=\"nofollow\" href=\"https:\/\/mirror.dropbear.nl\/mirror\/CHANGES\">den nya utg\u00e5van<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> St\u00f6d f\u00f6r Ed25519 digital signaturalgoritm i hostkeys och authorized_keys har lagts till.\n<li class=\"l\"> St\u00f6d f\u00f6r en autentiseringsprotokoll baserat p\u00e5 ChaCha20 str\u00f6mkrypteringsalgoritm och Poly1305 meddelandeautentisering, utvecklad av Daniel Bernstein, har lagts till.\n<li class=\"l\"> St\u00f6d f\u00f6r rsa-sha2 digital signaturformat har lagts till, vilket snart kommer att vara obligatoriskt f\u00f6r OpenSSH med tanke p\u00e5 att st\u00f6d f\u00f6r sha-1 har upph\u00f6rt (existerande RSA-nycklar kan fungera med det nya formatet utan \u00e4ndringar av hostkeys\/authorized_keys).\n<li class=\"l\"> Implementeringen av curve25519 har ersatts med en mer kompakt variant fr\u00e5n projektet TweetNaCl.\n<li class=\"l\"> St\u00f6d f\u00f6r AES GCM har lagts till (avst\u00e4ngt som standard).\n<li class=\"l\"> CBC-krypteringar, 3DES, hmac-sha1-96 och X11-omdirigering \u00e4r som standard inaktiverade.\n<li class=\"l\"> Kompatibilitetsproblem med IRIX-operativsystemet har \u00e5tg\u00e4rdats.\n<li class=\"l\"> Ett API f\u00f6r att specificera publika nycklar direkt ist\u00e4llet f\u00f6r att anv\u00e4nda authorized_keys har lagts till.\n<li class=\"l\"> En s\u00e5rbarhet i SCP har \u00e5tg\u00e4rdats <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=49953\">CVE-2018-20685<\/a><\/noindex>, som till\u00e5ter att \u00e4ndra \u00e5tkomstr\u00e4ttigheter p\u00e5 m\u00e5lkatalogen n\u00e4r servern levererar katalogen med ett tomt namn eller punkt. N\u00e4r en s\u00e5dan kommando fr\u00e5n servern mottas &#171;D0777 0 &#092;n&#187; eller &#171;D0777 0 .&#092;n&#187;, till\u00e4mpar klienten \u00e4ndringen av \u00e5tkomstr\u00e4ttigheterna p\u00e5 den aktuella katalogen.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>K\u00e4lla: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53172\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u043d\u043e\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a Dropbear 2020.79, \u043a\u043e\u043c\u043f\u0430\u043a\u0442\u043d\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u0438 \u043a\u043b\u0438\u0435\u043d\u0442\u0430 SSH, \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u043c\u043e\u0433\u043e \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 MIT \u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u0433\u043e \u043f\u0440\u0435\u0438\u043c\u0443\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u043d\u0430 \u0432\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u0435\u043c\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445, \u0442\u0430\u043a\u0438\u0445 \u043a\u0430\u043a \u0431\u0435\u0441\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u044b\u0435 \u043c\u0430\u0440\u0448\u0440\u0443\u0442\u0438\u0437\u0430\u0442\u043e\u0440\u044b. Dropbear \u043e\u0442\u043b\u0438\u0447\u0430\u0435\u0442\u0441\u044f \u043d\u0438\u0437\u043a\u0438\u043c \u043f\u043e\u0442\u0440\u0435\u0431\u043b\u0435\u043d\u0438\u0435\u043c \u043f\u0430\u043c\u044f\u0442\u0438 (\u043f\u0440\u0438 \u0441\u0442\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u043c \u0441\u0432\u044f\u0437\u044b\u0432\u0430\u043d\u0438\u0438 \u0441 uClibc \u0437\u0430\u043d\u0438\u043c\u0430\u0435\u0442 \u0432\u0441\u0435\u0433\u043e 110kB), \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c\u044e \u043e\u0442\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u043b\u0438\u0448\u043d\u0435\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u043d\u0430 \u044d\u0442\u0430\u043f\u0435 \u0441\u0431\u043e\u0440\u043a\u0438 \u0438 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u043e\u0439 \u0441\u0431\u043e\u0440\u043a\u0438 \u043a\u043b\u0438\u0435\u043d\u0442\u0430 \u0438 \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u0432 \u043e\u0434\u043d\u043e\u043c \u0438\u0441\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u043e\u043c \u0444\u0430\u0439\u043b\u0435 \u043f\u043e [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-85674","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u043d\u043e\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" 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