{"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\/de\/blog\/news\/vypusk-ssh-servera-dropbear-2020-79","title":{"rendered":"Ver\u00f6ffentlichung des SSH-Servers 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\">Vorstellung<\/a><\/noindex> neue Ausgabe <noindex><a rel=\"nofollow\" href=\"https:\/\/matt.ucc.asn.au\/dropbear\/dropbear.html\">Dropbear 2020.79<\/a><\/noindex>, ein kompakter SSH-Server und -Client, der unter der MIT-Lizenz verteilt wird und haupts\u00e4chlich in eingebetteten Systemen wie drahtlosen Routern eingesetzt wird. Dropbear zeichnet sich durch einen geringen Speicherverbrauch aus (bei statischer Verkn\u00fcpfung mit uClibc ben\u00f6tigt es nur 110 kB), die M\u00f6glichkeit, \u00fcberfl\u00fcssige Funktionen w\u00e4hrend der Kompilierung abzuschalten, und die Unterst\u00fctzung f\u00fcr die Erstellung von Client- und Serveranwendungen in einer einzigen ausf\u00fchrbaren Datei, \u00e4hnlich wie bei busybox. Dropbear unterst\u00fctzt X11-Weiterleitung, ist kompatibel mit der OpenSSH-Schl\u00fcsseldatei (~\/.ssh\/authorized_keys) und kann Multiplexverbindungen \u00fcber einen Transit-Host erstellen.<\/p>\n<p>Im  <noindex><a rel=\"nofollow\" href=\"https:\/\/mirror.dropbear.nl\/mirror\/CHANGES\">neuen Version<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> Unterst\u00fctzung f\u00fcr den Ed25519-Signaturalgorithmus in Hostkeys und authorized_keys hinzugef\u00fcgt.\n<li class=\"l\"> Unterst\u00fctzung f\u00fcr das Authentifizierungsprotokoll basierend auf den Stream-Chiffrier-Algorithmen ChaCha20 und der Nachrichtenauthentifizierung Poly1305, entwickelt von Daniel Bernstein, hinzugef\u00fcgt.\n<li class=\"l\"> Unterst\u00fctzung f\u00fcr das digitale Signaturformat rsa-sha2 hinzugef\u00fcgt, das aufgrund der Einstellung der Unterst\u00fctzung von sha-1 bald f\u00fcr OpenSSH obligatorisch sein wird (bestehende RSA-Schl\u00fcssel k\u00f6nnen mit dem neuen Format ohne \u00c4nderungen an hostkeys\/authorized_keys verwendet werden).\n<li class=\"l\"> Die Implementierung von curve25519 wurde durch eine kompaktere Version aus dem Projekt TweetNaCl ersetzt.\n<li class=\"l\"> Unterst\u00fctzung f\u00fcr AES GCM hinzugef\u00fcgt (standardm\u00e4\u00dfig deaktiviert).\n<li class=\"l\"> CBC-Chiffren, 3DES, hmac-sha1-96 und X11-Weiterleitung sind standardm\u00e4\u00dfig deaktiviert.\n<li class=\"l\"> Kompatibilit\u00e4tsprobleme mit dem Betriebssystem IRIX behoben.\n<li class=\"l\"> API hinzugef\u00fcgt, um \u00f6ffentliche Schl\u00fcssel direkt anzugeben, anstatt authorized_keys zu verwenden.\n<li class=\"l\"> SCP-Anf\u00e4lligkeit beseitigt <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=49953\">CVE-2018-20685<\/a><\/noindex>, die eine \u00c4nderung der Zugriffsrechte auf das Zielverzeichnis erlaubt, wenn der Server ein Verzeichnis mit leerem Namen oder Punkt zur\u00fcckgibt. Bei Erhalt des Befehls vom Server &#171;D0777 0 &#092;n&#187; oder &#171;D0777 0 .&#092;n&#187; hat der Client die \u00c4nderung der Zugriffsrechte f\u00fcr das aktuelle Verzeichnis angewendet.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Quelle: <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 5.0.1.1 - 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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