{"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\/nl\/blog\/news\/obnovlenie-dns-servera-bind-9-11-37-9-16-27-i-9-18-1-c-ustraneniem-4-uyazvimostej","title":{"rendered":"Updates van de DNS-server BIND 9.11.37, 9.16.27 en 9.18.1 met het oplossen van 4 kwetsbaarheden","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Corrigerende updates zijn gepubliceerd voor de stabiele versies van de DNS-server BIND 9.11.37, 9.16.27 en 9.18.1, waarin vier kwetsbaarheden zijn verholpen:    <\/p>\n<ul>\n<li class=\"l\"> CVE-2021-25220 \u2014 de mogelijkheid om onjuiste NS-records in de DNS-servercache in te voegen (cache poisoning), wat kan leiden tot aanvragen bij verkeerde DNS-servers die valse informatie geven. Het probleem doet zich voor in resolvers die werken in de \u2018forward first\u2019- (standaard) of 'forward only'-modi, in de situatie waarin \u00e9\u00e9n van de forwarders is gecompromitteerd (NS-records die van de forwarder zijn ontvangen, blijven in de cache en kunnen leiden tot aanvragen aan een verkeerde DNS-server bij het uitvoeren van recursieve verzoeken).\n<li class=\"l\"> CVE-2022-0396 \u2014 denial of service (oneindige vastlopend verbindingen in de toestand CLOSE_WAIT), ge\u00efnitieerd door het verzenden van speciaal gevormde TCP-pakketten. Het probleem doet zich alleen voor wanneer de instelling keep-response-order is ingeschakeld, wat niet standaard is, en bij het specificeren van de keep-response-order-optie in ACL.\n<li class=\"l\"> CVE-2022-0635 \u2014 de mogelijkheid van een crash van het named-proces door het verzenden van bepaalde verzoeken naar <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/nl\/server\/dts-shicago\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2907\">server<\/a>. Dit probleem doet zich voor bij het gebruik van de cache voor gevalideerde DNSSEC-aanvragen (DNSSEC-Validated Cache), die standaard is ingeschakeld in de versie 9.18 (instellingen dnssec-validation en synth-from-dnssec).\n<li class=\"l\"> CVE-2022-0667 \u2014 de mogelijkheid van een crash van het named-proces bij het verwerken van uitgestelde DS-verzoeken. Het probleem doet zich alleen voor in de BIND 9.18-tak en wordt veroorzaakt door een fout die is gemaakt bij het herwerken van de clientcode voor de recursieve verwerking van verzoeken.    <\/ul>\n<p>Bron: <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 5.0.3 - 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de mogelijkheid tot injectie van onjuiste.","canonical_url":"https:\/\/prohoster.info\/nl\/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":"nl_NL","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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