{"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\/hu\/blog\/news\/vypusk-ssh-servera-dropbear-2020-79","title":{"rendered":"Dropbear SSH szerver 2020.79 kiad\u00e1s","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\">Bemutatva<\/a><\/noindex> \u00faj kiad\u00e1s <noindex><a rel=\"nofollow\" href=\"https:\/\/matt.ucc.asn.au\/dropbear\/dropbear.html\">Dropbear 2020.79<\/a><\/noindex>, egy kompakt SSH szerver \u00e9s kliens, amely MIT licenc alatt terjed \u00e9s els\u0151sorban be\u00e1gyazott rendszerekben, mint p\u00e9ld\u00e1ul vezet\u00e9k n\u00e9lk\u00fcli routerekben haszn\u00e1latos. A Dropbear alacsony mem\u00f3riafogyaszt\u00e1s jellemzi (statikus uClibc-vel val\u00f3 linkel\u00e9s eset\u00e9n mind\u00f6ssze 110 kB), lehet\u0151s\u00e9get ad a felesleges funkci\u00f3k letilt\u00e1s\u00e1ra a ford\u00edt\u00e1s sor\u00e1n, \u00e9s t\u00e1mogatja a kliens \u00e9s szerver egys\u00e9ges v\u00e9grehajthat\u00f3 f\u00e1jlban t\u00f6rt\u00e9n\u0151 ford\u00edt\u00e1s\u00e1t, a busyboxhoz hasonl\u00f3an. A Dropbear t\u00e1mogatja az X11 \u00e1tir\u00e1ny\u00edt\u00e1st, kompatibilis az OpenSSH kulcsf\u00e1jlj\u00e1val (~\/.ssh\/authorized_keys) \u00e9s k\u00e9pes t\u00f6bb kapcsolat l\u00e9trehoz\u00e1s\u00e1ra egy k\u00f6zvet\u00edt\u0151 hoszton kereszt\u00fcl.<\/p>\n<p>A  <noindex><a rel=\"nofollow\" href=\"https:\/\/mirror.dropbear.nl\/mirror\/CHANGES\">\u00faj kiad\u00e1sban<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> Hozz\u00e1adva az Ed25519 digit\u00e1lis al\u00e1\u00edr\u00e1s algoritmus t\u00e1mogat\u00e1sa a hostkeys \u00e9s authorized_keys f\u00e1jlokhoz.\n<li class=\"l\"> Hozz\u00e1adva a ChaCha20 \u00e1raml\u00e1si titkos\u00edt\u00f3 algoritmus \u00e9s a Poly1305 \u00fczenet-ellen\u0151rz\u0151 algoritmus alap\u00fa hiteles\u00edt\u00e9si protokoll t\u00e1mogat\u00e1sa, amelyeket Daniel Bernstein fejlesztett.\n<li class=\"l\"> Hozz\u00e1adva az rsa-sha2 digit\u00e1lis al\u00e1\u00edr\u00e1s form\u00e1tum t\u00e1mogat\u00e1sa, amely a sha-1 t\u00e1mogat\u00e1s\u00e1nak megsz\u0171n\u00e9s\u00e9vel hamarosan k\u00f6telez\u0151v\u00e9 v\u00e1lik az OpenSSH sz\u00e1m\u00e1ra (a megl\u00e9v\u0151 RSA kulcsok az \u00faj form\u00e1tummal v\u00e1ltoztat\u00e1s n\u00e9lk\u00fcl m\u0171k\u00f6dhetnek a hostkeys\/authorized_keys f\u00e1jlban).\n<li class=\"l\"> A curve25519 megval\u00f3s\u00edt\u00e1sa egy kompaktabb verzi\u00f3ra lett cser\u00e9lve a TweetNaCl projektt\u0151l.\n<li class=\"l\"> Hozz\u00e1adva az AES GCM t\u00e1mogat\u00e1sa (alap\u00e9rtelmez\u00e9s szerint kikapcsolva).\n<li class=\"l\"> Az alap\u00e9rtelmez\u00e9s szerint kikapcsolt CBC titkos\u00edt\u00f3k, 3DES, hmac-sha1-96 \u00e9s az x11 \u00e1tir\u00e1ny\u00edt\u00e1sok.\n<li class=\"l\"> Az IRIX oper\u00e1ci\u00f3s rendszerrel val\u00f3 kompatibilit\u00e1si probl\u00e9m\u00e1k megoldva.\n<li class=\"l\"> API hozz\u00e1ad\u00e1sa a nyilv\u00e1nos kulcsok k\u00f6zvetlen megad\u00e1s\u00e1hoz az authorized_keys haszn\u00e1lata helyett.\n<li class=\"l\"> Az SCP sebezhet\u0151s\u00e9g megsz\u00fcntetve <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=49953\">CVE-2018-20685<\/a><\/noindex>, lehet\u0151v\u00e9 t\u00e9ve a c\u00e9lmappa hozz\u00e1f\u00e9r\u00e9si jogainak megv\u00e1ltoztat\u00e1s\u00e1t, amikor a szerver \u00fcres n\u00e9vvel vagy ponttal szolg\u00e1ltatja a mapp\u00e1t. Amikor a klienst\u0151l a szerver &#171;D0777 0 &#092;n&#187; vagy &#171;D0777 0 .&#092;n&#187; parancsot kap, a kliens alkalmazza a jelenlegi mappa hozz\u00e1f\u00e9r\u00e9si jogainak m\u00f3dos\u00edt\u00e1s\u00e1t.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Forr\u00e1s: <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\" 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