{"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\/cs\/blog\/news\/vypusk-ssh-servera-dropbear-2020-79","title":{"rendered":"Vyd\u00e1n\u00ed SSH serveru 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\">P\u0159edstaven\u00ed<\/a><\/noindex> nov\u00e9 vyd\u00e1n\u00ed <noindex><a rel=\"nofollow\" href=\"https:\/\/matt.ucc.asn.au\/dropbear\/dropbear.html\">Dropbear 2020.79<\/a><\/noindex>, kompaktni SSH server a klient, distribuovan\u00fd pod licenc\u00ed MIT a pou\u017e\u00edvan\u00fd p\u0159ev\u00e1\u017en\u011b na vestav\u011bn\u00fdch syst\u00e9mech, jako jsou bezdr\u00e1tov\u00e9 routery. Dropbear se vyzna\u010duje n\u00edzkou spot\u0159ebou pam\u011bti (p\u0159i statick\u00e9m linkov\u00e1n\u00ed s uClibc zab\u00edr\u00e1 pouze 110 kB), mo\u017enost\u00ed vypnout nadbyte\u010dnou funkcionalitu p\u0159i sestaven\u00ed a podporou sestaven\u00ed klienta a serveru v jednom spustiteln\u00e9m souboru podobn\u011b jako busybox. Dropbear podporuje p\u0159esm\u011brov\u00e1n\u00ed X11, je kompatibiln\u00ed se souborem kl\u00ed\u010d\u016f OpenSSH (~\/.ssh\/authorized_keys) a m\u016f\u017ee vytv\u00e1\u0159et v\u00edce p\u0159ipojen\u00ed s tunelov\u00e1n\u00edm p\u0159es tranzitn\u00ed hostitele.<\/p>\n<p>V  <noindex><a rel=\"nofollow\" href=\"https:\/\/mirror.dropbear.nl\/mirror\/CHANGES\">nov\u00e9m vyd\u00e1n\u00ed<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora algoritmu digit\u00e1ln\u00edho podpisu Ed25519 v hostkeys a authorized_keys.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora autentiza\u010dn\u00edho protokolu zalo\u017een\u00e9ho na algoritmech proudov\u00e9ho \u0161ifrov\u00e1n\u00ed ChaCha20 a autentizace zpr\u00e1v Poly1305, kter\u00e9 vyvinul Daniel Bernstein.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora form\u00e1tu digit\u00e1ln\u00edch podpis\u016f rsa-sha2, kter\u00fd bude kv\u016fli ukon\u010den\u00ed podpory sha-1 brzy povinn\u00fd pro OpenSSH (existuj\u00edc\u00ed RSA kl\u00ed\u010de budou moci fungovat s nov\u00fdm form\u00e1tem bez zm\u011bny hostkeys\/authorized_keys).\n<li class=\"l\"> Implementace curve25519 byla nahrazena kompaktn\u011bj\u0161\u00ed verz\u00ed z projektu TweetNaCl.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora AES GCM (ve v\u00fdchoz\u00edm nastaven\u00ed vypnuta).\n<li class=\"l\"> CBC \u0161ifry, 3DES, hmac-sha1-96 a p\u0159esm\u011brov\u00e1n\u00ed x11 jsou ve v\u00fdchoz\u00edm nastaven\u00ed vypnuty.\n<li class=\"l\"> Byly vy\u0159e\u0161eny probl\u00e9my s kompatibilitou s opera\u010dn\u00edm syst\u00e9mem IRIX.\n<li class=\"l\"> Bylo p\u0159id\u00e1no API pro specifikaci ve\u0159ejn\u00fdch kl\u00ed\u010d\u016f p\u0159\u00edmo m\u00edsto pou\u017eit\u00ed authorized_keys.\n<li class=\"l\"> Byla odstran\u011bna zranitelnost v SCP <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=49953\">CVE-2018-20685<\/a><\/noindex>, umo\u017e\u0148uj\u00edc\u00ed zm\u011bnu opr\u00e1vn\u011bn\u00ed na c\u00edlov\u00fd adres\u00e1\u0159 p\u0159i poskytov\u00e1n\u00ed adres\u00e1\u0159e se serverem s pr\u00e1zdn\u00fdm n\u00e1zvem nebo te\u010dkou. P\u0159i p\u0159ijet\u00ed od serveru p\u0159\u00edkazu &#171;D0777 0 &#092;n&#187; nebo &#171;D0777 0 .&#092;n&#187; klient pou\u017eil zm\u011bnu opr\u00e1vn\u011bn\u00ed na aktu\u00e1ln\u00ed adres\u00e1\u0159.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Zdroj: <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 5.0.3 - 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\" href=\"https:\/\/prohoster.info\/cs\/blog\/news\/vypusk-ssh-servera-dropbear-2020-79\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u0412\u044b\u043f\u0443\u0441\u043a SSH-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 Dropbear 2020.79 | ProHoster\" \/>\n\t\t<meta property=\"og: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\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/cs\/blog\/news\/vypusk-ssh-servera-dropbear-2020-79\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2020-06-18T05:41:58+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2020-06-18T05:41:58+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Verze SSH serveru Dropbear 2020.79 | ProHoster","description":"Byla p\u0159edstavena nov\u00e1 verze","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/vypusk-ssh-servera-dropbear-2020-79","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"cs_CZ","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0412\u044b\u043f\u0443\u0441\u043a SSH-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 Dropbear 2020.79 | ProHoster","og:description":"\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u043d\u043e\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a","og:url":"https:\/\/prohoster.info\/cs\/blog\/news\/vypusk-ssh-servera-dropbear-2020-79","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2020-06-18T05:41:58+00:00","article:modified_time":"2020-06-18T05:41:58+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"85674","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-02-28 14:32:47","updated":"2022-10-01 04:20:20","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/85674","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/comments?post=85674"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/85674\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/media?parent=85674"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/categories?post=85674"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/tags?post=85674"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}