{"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\/ro\/blog\/news\/obnovlenie-dns-servera-bind-c-ustraneniem-uyazvimosti-v-realizaczii-dns-over-https","title":{"rendered":"Actualizare a serverului DNS BIND pentru remedierea unei vulnerabilit\u0103\u021bi \u00een implementarea DNS-over-HTTPS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Au fost publicate actualiz\u0103ri corective pentru ramurile stabile ale serverului DNS BIND 9.16.28 \u0219i 9.18.3, precum \u0219i o nou\u0103 versiune experimental\u0103 9.19.1. \u00cen versiunile 9.18.3 \u0219i 9.19.1 a fost remediat\u0103 o vulnerabilitate (CVE-2022-1183) \u00een implementarea mecanismului DNS-over-HTTPS, suportat \u00eencep\u00e2nd cu ramura 9.18. Vulnerabilitatea conduce la o oprire nea\u0219teptat\u0103 a procesului named \u00een cazul \u00een care conexiunea TLS c\u0103tre handler-ul bazat pe protocolul HTTP este \u00eentrerupt\u0103 prematur. Problema afecteaz\u0103 doar servere<\/a>, serverele care gestioneaz\u0103 cereri DNS over HTTPS (DoH). Serverele care primesc cereri prin DNS over TLS (DoT) \u0219i care nu utilizeaz\u0103 DoH nu sunt afectate de problem\u0103. <\/p>\n

\u00cen versiunea 9.18.3 au fost ad\u0103ugate, de asemenea, c\u00e2teva \u00eembun\u0103t\u0103\u021biri func\u021bionale. A fost ad\u0103ugat suport pentru a doua versiune a catalogului de zone (\"Catalog Zones\"), definit \u00een al cincilea draft al specifica\u021biei IETF. Catalogul de zone ofer\u0103 o nou\u0103 metod\u0103 de men\u021binere a serverelor DNS secundare, \u00een care, \u00een loc de a defini pe serverul secundar \u00eenregistr\u0103ri separate pentru fiecare zon\u0103 secundar\u0103, se organizeaz\u0103 un transfer al unui set specific de zone secundare \u00eentre serverele primare \u0219i secundare. Adic\u0103, configur\u00e2nd transferul catalogului, pe modelul transferului zonelor separate, zonele create pe serverul primar, marcate ca f\u0103c\u00e2nd parte din catalog, vor fi automat create pe serverul secundar f\u0103r\u0103 a fi nevoie de modificarea fi\u0219ierelor de configurare. <\/p>\n

\u00cen noua versiune a fost ad\u0103ugat suport pentru coduri avansate de eroare \"Stale Answer\" \u0219i \"Stale NXDOMAIN Answer\", returnate atunci c\u00e2nd un r\u0103spuns \u00eenvechit este returnat din cache. \u00cen named \u0219i dig a fost integrat\u0103 posibilitatea de verificare a surselor externe. certificatelor TLS<\/a>, care poate fi utilizat\u0103 pentru a organiza o autentificare strict\u0103 sau cooperativ\u0103 bazat\u0103 pe TLS (RFC 9103).
\n
Sursa: opennet.ro<\/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, \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 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