{"id":104087,"date":"2022-05-19T03:36:51","date_gmt":"2022-05-19T01:36:51","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-dns-servera-bind-c-ustraneniem-uyazvimosti-v-realizaczii-dns-over-https"},"modified":"2022-05-19T03:36:51","modified_gmt":"2022-05-19T01:36:51","slug":"obnovlenie-dns-servera-bind-c-ustraneniem-uyazvimosti-v-realizaczii-dns-over-https","status":"publish","type":"post","link":"https:\/\/prohoster.info\/de\/blog\/news\/obnovlenie-dns-servera-bind-c-ustraneniem-uyazvimosti-v-realizaczii-dns-over-https","title":{"rendered":"DNS-Server BIND-Update zur Behebung einer Sicherheitsanf\u00e4lligkeit in der Implementierung von DNS-over-HTTPS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Es wurden wichtige Updates f\u00fcr die stabilen Versionen des DNS-Servers BIND 9.16.28 und 9.18.3 sowie f\u00fcr die neue experimentelle Version 9.19.1 ver\u00f6ffentlicht. In den Versionen 9.18.3 und 9.19.1 wurde eine Sicherheitsanf\u00e4lligkeit (CVE-2022-1183) in der Implementierung des DNS-over-HTTPS-Mechanismus behoben, der seit der Version 9.18 unterst\u00fctzt wird. Die Sicherheitsanf\u00e4lligkeit f\u00fchrt zum Absturz des named-Prozesses, wenn die TLS-Verbindung zu einem HTTP-basierten Handler vorzeitig unterbrochen wird. Das Problem betrifft nur <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/de\/server\/\"   title=\"Server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1936\">Server<\/a>, die DNS-over-HTTPS (DoH)-Anfragen bearbeiten. Server, die Anfragen \u00fcber DNS-over-TLS (DoT) empfangen und DoH nicht verwenden, sind von dem Problem nicht betroffen.    <\/p>\n<p>In der Version 9.18.3 wurden auch mehrere funktionale Verbesserungen hinzugef\u00fcgt. Die Unterst\u00fctzung f\u00fcr die zweite Version des Zonenverzeichnisses (&#171;Catalog Zones&#187;), das im f\u00fcnften Entwurf der IETF-Spezifikation definiert ist, wurde hinzugef\u00fcgt. Das Zonenverzeichnis bietet eine neue Methode zur Wartung von sekund\u00e4ren DNS-Servern, bei der anstelle der Definition einzelner Eintr\u00e4ge f\u00fcr jede sekund\u00e4re Zone auf dem sekund\u00e4ren Server ein spezifischer Satz sekund\u00e4rer Zonen zwischen dem prim\u00e4ren und dem sekund\u00e4ren Server \u00fcbertragen wird. Das hei\u00dft, durch die Einrichtung des Katalogtransfers, \u00e4hnlich wie bei der \u00dcbertragung einzelner Zonen, werden die auf dem prim\u00e4ren Server eingestellten Zonen, die als Teil des Katalogs gekennzeichnet sind, automatisch auf dem sekund\u00e4ren Server erstellt, ohne dass eine \u00c4nderung der Konfigurationsdateien erforderlich ist.    <\/p>\n<p>In der neuen Version wurde auch die Unterst\u00fctzung f\u00fcr die erweiterten Fehlercodes &#171;Stale Answer&#187; und &#171;Stale NXDOMAIN Answer&#187; hinzugef\u00fcgt, die ausgegeben werden, wenn eine veraltete Antwort aus dem Cache zur\u00fcckgegeben wird. Die Funktion zur \u00dcberpr\u00fcfung externer Quellen wurde in named und dig integriert. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/de\/ssl-sertifikat\/\"   title=\"TLS-Zertifikate\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"960\">TLS-Zertifikate<\/a>, die f\u00fcr die Implementierung strenger oder gemeinsamer Authentifizierung auf Basis von TLS (RFC 9103) verwendet werden kann.<br \/>\n<br \/>Quelle: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57211\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0445 \u0432\u0435\u0442\u043e\u043a DNS-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 BIND 9.16.28 \u0438 9.18.3, \u0430 \u0442\u0430\u043a\u0436\u0435 \u043d\u043e\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u043e\u0439 \u0432\u0435\u0442\u043a\u0438 9.19.1. \u0412 \u0432\u0435\u0440\u0441\u0438\u044f\u0445 9.18.3 \u0438 9.19.1 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2022-1183) \u0432 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430 DNS-over-HTTPS, \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u043e\u0433\u043e \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 \u0432\u0435\u0442\u043a\u0438 9.18. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043f\u0440\u0438\u0432\u043e\u0434\u0438\u0442 \u043a \u0430\u0432\u0430\u0440\u0438\u0439\u043d\u043e\u043c\u0443 \u0437\u0430\u0432\u0435\u0440\u0448\u0435\u043d\u0438\u044e \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430 named \u0432 \u0441\u043b\u0443\u0447\u0430\u0435, \u0435\u0441\u043b\u0438 TLS-\u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435 \u043a \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0443 \u043d\u0430 \u0431\u0430\u0437\u0435 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 HTTP \u0431\u0443\u0434\u0435\u0442 \u0434\u043e\u0441\u0440\u043e\u0447\u043d\u043e \u043e\u0431\u043e\u0440\u0432\u0430\u043d\u043e. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 [&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-104087","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=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0445 \u0432\u0435\u0442\u043e\u043a DNS-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 BIND 9.16.28 \u0438 9.18.3, \u0430 \u0442\u0430\u043a\u0436\u0435 \u043d\u043e\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a 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