{"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\/it\/blog\/news\/obnovlenie-dns-servera-bind-c-ustraneniem-uyazvimosti-v-realizaczii-dns-over-https","title":{"rendered":"Aggiornamento del server DNS BIND con correzione della vulnerabilit\u00e0 nell'implementazione di DNS-over-HTTPS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Sono stati pubblicati aggiornamenti correttivi per le versioni stabili del server DNS BIND 9.16.28 e 9.18.3, oltre a un nuovo rilascio della versione sperimentale 9.19.1. Nelle versioni 9.18.3 e 9.19.1 \u00e8 stata risolta una vulnerabilit\u00e0 (CVE-2022-1183) nell'implementazione del meccanismo DNS-over-HTTPS, supportato a partire dalla versione 9.18. La vulnerabilit\u00e0 provoca un arresto anomalo del processo named se la connessione TLS con il gestore basato su HTTP viene interrotta prematuramente. Il problema riguarda solo servers<\/a>, i server che gestiscono richieste DNS over HTTPS (DoH). I server che ricevono richieste tramite DNS over TLS (DoT) e non utilizzano DoH non sono vulnerabili al problema. <\/p>\n

Nella versione 9.18.3 sono stati aggiunti anche diversi miglioramenti funzionali. \u00c8 stata introdotta la supporto per la seconda versione del catalogo delle zone («Catalog Zones»), definita nella quinta bozza della specifica IETF. Il catalogo delle zone offre un nuovo metodo per gestire i server DNS secondari, in cui anzich\u00e9 definire sul server secondario singole voci per ogni zona secondaria, si organizza un trasferimento di un insieme specifico di zone secondarie tra il server primario e quello secondario. Cio\u00e8, configurando il trasferimento del catalogo analogamente al trasferimento delle zone singole, le zone create sul server primario, contrassegnate come facenti parte del catalogo, verranno automaticamente create sul server secondario senza necessit\u00e0 di modificare i file di configurazione. <\/p>\n

\u00c8 stato anche aggiunto nella nuova versione il supporto per i codici di errore estesi «Stale Answer» e «Stale NXDOMAIN Answer», emessi quando viene restituita una risposta obsoleta dalla cache. In named e dig \u00e8 stata integrata la funzione di verifica delle risposte esterne. di certificati TLS<\/a>, che pu\u00f2 essere utilizzata per implementare autenticazione rigorosa o congiunta basata su TLS (RFC 9103).
\n
Fonte: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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[…]<\/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-104087","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Aggiornamento del server DNS BIND con la risoluzione della vulnerabilit\u00e0 nell'implementazione di DNS-over-HTTPS | ProHoster","description":"Sono stati pubblicati aggiornamenti correttivi per le versioni stabili del server DNS BIND 9.16.28 e 9.18.3, oltre a un nuovo rilascio della versione sperimentale 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