{"id":103567,"date":"2022-03-19T09:36:48","date_gmt":"2022-03-19T07:36:48","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-dns-servera-bind-9-11-37-9-16-27-i-9-18-1-c-ustraneniem-4-uyazvimostej"},"modified":"2022-03-19T09:36:48","modified_gmt":"2022-03-19T07:36:48","slug":"obnovlenie-dns-servera-bind-9-11-37-9-16-27-i-9-18-1-c-ustraneniem-4-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/de\/blog\/news\/obnovlenie-dns-servera-bind-9-11-37-9-16-27-i-9-18-1-c-ustraneniem-4-uyazvimostej","title":{"rendered":"Update des DNS-Servers BIND 9.11.37, 9.16.27 und 9.18.1 zur Behebung von 4 Sicherheitsanf\u00e4lligkeiten.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Es wurden Korrektur-Updates f\u00fcr die stabilen Versionen des DNS-Servers BIND 9.11.37, 9.16.27 und 9.18.1 ver\u00f6ffentlicht, die vier Sicherheitsanf\u00e4lligkeiten beheben:    <\/p>\n<ul>\n<li class=\"l\"> CVE-2021-25220 \u2014 die M\u00f6glichkeit, ung\u00fcltige NS-Eintr\u00e4ge in den Cache des DNS-Servers einzuf\u00fcgen (Cache-Poisoning), was dazu f\u00fchren kann, dass fehlerhafte DNS-Server kontaktiert werden, die falsche Informationen liefern. Das Problem tritt bei Resolvern auf, die im Modus \u201eforward first\u201c (Standard) oder \u201eforward only\u201c arbeiten, unter der Bedingung, dass einer der Forwarder kompromittiert ist (NS-Eintr\u00e4ge, die von einem Forwarder erhalten werden, landen im Cache und k\u00f6nnen dann dazu f\u00fchren, dass nicht der richtige DNS-Server bei rekursiven Anfragen kontaktiert wird).\n<li class=\"l\"> CVE-2022-0396 \u2014 ein Denial of Service (endloses H\u00e4ngen der Verbindungen im STATUS CLOSE_WAIT), ausgel\u00f6st durch das Senden von speziell formatierten TCP-Paketen. Das Problem tritt nur auf, wenn die Einstellung keep-response-order aktiviert ist, die standardm\u00e4\u00dfig nicht verwendet wird, sowie bei Angabe der Option keep-response-order in der ACL.\n<li class=\"l\"> CVE-2022-0635 \u2014 die M\u00f6glichkeit, den Prozess named durch das Senden bestimmter Anfragen zu beenden. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/de\/server\/dts-shicago\/\"   title=\"Server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2907\">Server<\/a>. Das Problem tritt auf, wenn der DNSSEC-validierte Cache verwendet wird, der standardm\u00e4\u00dfig in der Version 9.18 aktiviert ist (Einstellungen dnssec-validation und synth-from-dnssec).\n<li class=\"l\"> CVE-2022-0667 \u2014 die M\u00f6glichkeit, den Prozess named bei der Verarbeitung verz\u00f6gerter DS-Anfragen zum Absturz zu bringen. Das Problem tritt nur in der BIND 9.18-Zweigen auf und wird durch einen Fehler verursacht, der bei der \u00dcberarbeitung des Clientcodes f\u00fcr die rekursive Verarbeitung von Anfragen gemacht wurde.    <\/ul>\n<p>Quelle: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56879\">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 9.11.37, 9.16.27 \u0438 9.18.1, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0447\u0435\u0442\u044b\u0440\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438: CVE-2021-25220 &#8212; \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u043d\u0435\u043a\u043e\u0440\u0440\u0435\u043a\u0442\u043d\u044b\u0445 NS-\u0437\u0430\u043f\u0438\u0441\u0435\u0439 \u0432 \u043a\u044d\u0448 DNS-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 (\u043e\u0442\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043a\u044d\u0448\u0430), \u0447\u0442\u043e \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u044e \u043a \u043d\u0435\u0432\u0435\u0440\u043d\u044b\u043c DNS-\u0441\u0435\u0440\u0432\u0435\u0440\u0430\u043c, \u043e\u0442\u0434\u0430\u044e\u0449\u0438\u043c \u043b\u043e\u0436\u043d\u044b\u0435 \u0441\u0432\u0435\u0434\u0435\u043d\u0438\u044f. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0432 \u0440\u0435\u0437\u043e\u043b\u0432\u0435\u0440\u0430\u0445, \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0438\u0445 \u0432 \u0440\u0435\u0436\u0438\u043c\u0430\u0445 &#171;forward first&#187; (\u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e) \u0438\u043b\u0438 &#171;forward only&#187;, \u0432 \u0443\u0441\u043b\u043e\u0432\u0438\u0438 \u043a\u043e\u043c\u043f\u0440\u043e\u043c\u0435\u0442\u0430\u0446\u0438\u0438 [&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-103567","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - 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M\u00f6glichkeit zur Einspeisung fehlerhafter Daten.","canonical_url":"https:\/\/prohoster.info\/de\/blog\/news\/obnovlenie-dns-servera-bind-9-11-37-9-16-27-i-9-18-1-c-ustraneniem-4-uyazvimostej","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"de_DE","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\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 DNS-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 BIND 9.11.37, 9.16.27 \u0438 9.18.1 c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0435\u043c 4 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 | ProHoster","og:description":"\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 9.11.37, 9.16.27 \u0438 9.18.1, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0447\u0435\u0442\u044b\u0440\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438: CVE-2021-25220 - 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