{"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\/fr\/blog\/news\/obnovlenie-dns-servera-bind-c-ustraneniem-uyazvimosti-v-realizaczii-dns-over-https","title":{"rendered":"Mise \u00e0 jour du serveur DNS BIND corrigeant une vuln\u00e9rabilit\u00e9 dans l'impl\u00e9mentation de DNS-over-HTTPS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Des mises \u00e0 jour correctives ont \u00e9t\u00e9 publi\u00e9es pour les branches stables du serveur DNS BIND 9.16.28 et 9.18.3, ainsi qu'une nouvelle version de la branche exp\u00e9rimentale 9.19.1. Les versions 9.18.3 et 9.19.1 corrigent une vuln\u00e9rabilit\u00e9 (CVE-2022-1183) dans l'impl\u00e9mentation du m\u00e9canisme DNS-over-HTTPS, pris en charge depuis la branche 9.18. Cette vuln\u00e9rabilit\u00e9 peut entra\u00eener un arr\u00eat inopin\u00e9 du processus named si la connexion TLS vers le gestionnaire bas\u00e9 sur le protocole HTTP est interrompue pr\u00e9matur\u00e9ment. Le probl\u00e8me concerne uniquement serveurs<\/a>, les serveurs traitant les requ\u00eates DNS over HTTPS (DoH). Les serveurs qui acceptent des requ\u00eates via DNS over TLS (DoT) et ne utilisant pas DoH ne sont pas concern\u00e9s par le probl\u00e8me. <\/p>\n

Dans la version 9.18.3, plusieurs am\u00e9liorations fonctionnelles ont \u00e9galement \u00e9t\u00e9 ajout\u00e9es. Le support de la deuxi\u00e8me version du catalogue de zones («Catalog Zones»), d\u00e9fini dans le cinqui\u00e8me brouillon de la sp\u00e9cification IETF, a \u00e9t\u00e9 introduit. Le catalogue de zones propose une nouvelle m\u00e9thode pour maintenir les serveurs DNS secondaires, dans laquelle, au lieu de d\u00e9finir des enregistrements s\u00e9par\u00e9s pour chaque zone secondaire sur le serveur secondaire, un transfert d'un ensemble sp\u00e9cifique de zones secondaires est organis\u00e9 entre le serveur primaire et le serveur secondaire. Ainsi, en configurant le transfert de catalogue de la m\u00eame mani\u00e8re que le transfert de zones individuelles, les zones cr\u00e9\u00e9es sur le serveur primaire, marqu\u00e9es comme faisant partie du catalogue, seront automatiquement cr\u00e9\u00e9es sur le serveur secondaire sans avoir besoin de modifier les fichiers de configuration. <\/p>\n

La nouvelle version prend \u00e9galement en charge les codes d'erreur \u00e9tendus «Stale Answer» et «Stale NXDOMAIN Answer», qui sont \u00e9mis lorsque qu'une r\u00e9ponse obsol\u00e8te est retourn\u00e9e depuis le cache. Dans named et dig, la possibilit\u00e9 de v\u00e9rifier les r\u00e9ponses externes a \u00e9t\u00e9 int\u00e9gr\u00e9e. des certificats TLS<\/a>, ce qui peut \u00eatre utilis\u00e9 pour \u00e9tablir une authentification stricte ou conjointe bas\u00e9e sur TLS (RFC 9103).
\n
Source : opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\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, 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