{"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\/no\/blog\/news\/obnovlenie-dns-servera-bind-c-ustraneniem-uyazvimosti-v-realizaczii-dns-over-https","title":{"rendered":"Oppdatering av DNS-server BIND med fjerning av s\u00e5rbarhet i implementeringen av DNS-over-HTTPS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Korrigerende oppdateringer for stabile versjoner av DNS-serveren BIND 9.16.28 og 9.18.3 er publisert, samt en ny utgave av den eksperimentelle versjonen 9.19.1. I versjonene 9.18.3 og 9.19.1 er en s\u00e5rbarhet (CVE-2022-1183) i implementeringen av DNS-over-HTTPS-mekanismen, som st\u00f8ttes fra og med versjon 9.18, rettet. S\u00e5rbarheten f\u00f8rer til at prosessen named krasjer hvis TLS-tilkoblingen til handleren basert p\u00e5 HTTP blir brutt tidlig. Problemet ber\u00f8rer bare servere<\/a>, servere som h\u00e5ndterer DNS-over-HTTPS (DoH)-foresp\u00f8rselene. Servere som mottar foresp\u00f8rselene via DNS-over-TLS (DoT) og ikke bruker DoH, er ikke ber\u00f8rt av problemet. <\/p>\n

I utg\u00e5va 9.18.3 har det ogs\u00e5 blitt lagt til flere funksjonelle forbedringer. St\u00f8tte for den andre versjonen av sonekatalogen (\"Catalog Zones\"), definert i det femte utkastet til spesifikasjonen fra IETF, er inkludert. Sonekatalogen tilbyr en ny metode for \u00e5 opprettholde sekund\u00e6re DNS-servere, der i stedet for \u00e5 definere individuelle oppf\u00f8ringer for hver sekund\u00e6r sone p\u00e5 den sekund\u00e6re serveren, organiseres overf\u00f8ringen av et bestemt sett med sekund\u00e6re soner mellom prim\u00e6r- og sekund\u00e6rserverne. Det vil si at ved \u00e5 konfigurere katalogoverf\u00f8ring p\u00e5 samme m\u00e5te som overf\u00f8ring av individuelle soner, vil sonene som opprettes p\u00e5 prim\u00e6rserveren og merkes som tilh\u00f8rende katalogen, automatisk bli opprettet p\u00e5 sekund\u00e6rserveren uten behov for \u00e5 redigere konfigurasjonsfilene. <\/p>\n

I den nye versjonen har det ogs\u00e5 blitt lagt til st\u00f8tte for de utvidede feilkodene \"Stale Answer\" og \"Stale NXDOMAIN Answer\", som utstedes n\u00e5r et foreldet svar returneres fra hurtigbufferen. I named og dig er det innebygd mulighet for verifisering av eksterne TLS-sertifikater<\/a>, noe som kan brukes til \u00e5 organisere streng eller delt autentisering basert p\u00e5 TLS (RFC 9103).
\n
Kilde: 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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