{"id":35485,"date":"2019-10-31T22:04:36","date_gmt":"2019-10-31T19:04:36","guid":{"rendered":"https:\/\/prohoster.info\/blog\/obnovlenie-dns-servera-bind-9-14-3-9-11-8-9-15-1-s-ustraneniem-dos-uyazvimosti\/"},"modified":"2019-10-31T22:04:36","modified_gmt":"2019-10-31T19:04:36","slug":"obnovlenie-dns-servera-bind-9-14-3-9-11-8-9-15-1-s-ustraneniem-dos-uyazvimosti","status":"publish","type":"post","link":"https:\/\/prohoster.info\/de\/blog\/news\/obnovlenie-dns-servera-bind-9-14-3-9-11-8-9-15-1-s-ustraneniem-dos-uyazvimosti","title":{"rendered":"Update des DNS-Servers BIND 9.14.3, 9.11.8, 9.15.1 zur Behebung der DoS-Sicherheitsanf\u00e4lligkeit","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/bind-announce@lists.isc.org\/msg00547.html\">Ver\u00f6ffentlicht<\/a><\/noindex> Korrektur-Updates f\u00fcr die stabilen Zweige des DNS-Servers BIND 9.14.3, 9.11.8 und 9.12.4-P2 sowie f\u00fcr den in Entwicklung befindlichen experimentellen Zweig 9.15.1. Gleichzeitig wurde bekannt gegeben, dass die Unterst\u00fctzung f\u00fcr den Zweig 9.12 eingestellt wird, und es werden keine weiteren Updates mehr ver\u00f6ffentlicht. <\/p>\n<p>Die Updates zeichnen sich durch die Behebung von <noindex><a rel=\"nofollow\" href=\"https:\/\/kb.isc.org\/docs\/cve-2019-6471\">von Schwachstellen<\/a><\/noindex> (<noindex><a rel=\"nofollow\" href=\"https:\/\/security-tracker.debian.org\/tracker\/CVE-2019-6471\">CVE-2019-6471<\/a><\/noindex>), die einen Denial-of-Service-Angriff (Abbruch des Prozesses mit der Assertion REQUIRE) ausl\u00f6sen kann. Das Problem entsteht durch einen Race Condition, der auftritt, wenn eine sehr gro\u00dfe Anzahl von speziell gestalteten eingehenden Paketen verarbeitet wird, die den Blockfilter passieren. Um die Schwachstelle auszunutzen, muss der Angreifer eine gro\u00dfe Anzahl von Anfragen an den Resolver des Opfers senden, die zu Anfragen an den DNS-Server des Angreifers f\u00fchren, welcher falsche Antworten zur\u00fcckgibt.<\/p>\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=50910\">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 9.14.3, 9.11.8 \u0438 9.12.4-P2, \u0430 \u0442\u0430\u043a\u0436\u0435 \u043d\u0430\u0445\u043e\u0434\u044f\u0449\u0435\u0439\u0441\u044f \u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u043e\u0439 \u0432\u0435\u0442\u043a\u0438 9.15.1. \u041e\u0434\u043d\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u043e \u043e\u0431\u044a\u044f\u0432\u043b\u0435\u043d\u043e \u043e \u043f\u0440\u0435\u043a\u0440\u0430\u0449\u0435\u043d\u0438\u0438 \u0434\u0430\u043b\u044c\u043d\u0435\u0439\u0448\u0435\u0439 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u0432\u0435\u0442\u043a\u0438 9.12, \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0431\u043e\u043b\u044c\u0448\u0435 \u0432\u044b\u043f\u0443\u0441\u043a\u0430\u0442\u044c\u0441\u044f \u043d\u0435 \u0431\u0443\u0434\u0443\u0442. \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u0440\u0438\u043c\u0435\u0447\u0430\u0442\u0435\u043b\u044c\u043d\u044b \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0435\u043c \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 (CVE-2019-6471), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0439 \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043e\u0442\u043a\u0430\u0437 \u0432 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u0438 (\u0437\u0430\u0432\u0435\u0440\u0448\u0435\u043d\u0438\u0435 \u0440\u0430\u0431\u043e\u0442\u044b \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430 \u0441 assertion REQUIRE). \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435\u043c \u0433\u043e\u043d\u043a\u0438 (race [&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-35485","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 9.14.3, 9.11.8 \u0438.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" 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