{"id":36321,"date":"2019-10-31T22:10:55","date_gmt":"2019-10-31T19:10:55","guid":{"rendered":"https:\/\/prohoster.info\/blog\/obnovlenie-dns-serverov-bind-9-14-4-i-knot-2-8-3\/"},"modified":"2019-10-31T22:10:55","modified_gmt":"2019-10-31T19:10:55","slug":"obnovlenie-dns-serverov-bind-9-14-4-i-knot-2-8-3","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/obnovlenie-dns-serverov-bind-9-14-4-i-knot-2-8-3","title":{"rendered":"DNS-szerverek friss\u00edt\u00e9se BIND 9.14.4 \u00e9s Knot 2.8.3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Megjelentek<\/a><\/noindex> a DNS-szerver stabil \u00e1gainak hibajav\u00edt\u00f3 friss\u00edt\u00e9sei BIND 9.14.4 \u00e9s 9.11.9<\/a><\/noindex>, valamint a fejleszt\u00e9s alatt \u00e1ll\u00f3 k\u00eds\u00e9rleti \u00e1gon, 9.15.2. Az \u00faj kiad\u00e1sokban jav\u00edtott\u00e1k a (CVE-2019-6471) sebezhet\u0151s\u00e9get, amely versenyhelyzetb\u0151l ad\u00f3dik, \u00e9s le\u00e1ll\u00e1shoz vezethet (a folyamat megszak\u00edt\u00e1sa az assert h\u00edv\u00e1sakor), amikor sz\u00e1mos bej\u00f6v\u0151 csomagot blokkolnak.<\/p>\n

Tov\u00e1bb\u00e1 az \u00faj 9.14.4 verzi\u00f3ban t\u00e1mogat\u00e1st kapott a GeoIP2 API, amely lehet\u0151v\u00e9 teszi az IP-c\u00edmek alapj\u00e1n t\u00f6rt\u00e9n\u0151 helymeghat\u00e1roz\u00e1st a
\nA MaxMind (aktiv\u00e1lva a «—with-geoip2» opci\u00f3val). A GeoIP2 eset\u00e9ben megsz\u0171nt a n\u00e9h\u00e1ny ACL t\u00e1mogat\u00e1sa (p\u00e9ld\u00e1ul a h\u00e1l\u00f3zati sebess\u00e9g, a szervezet \u00e9s az orsz\u00e1gk\u00f3d param\u00e9terei szerinti ellen\u0151rz\u00e9s), amelyeket kor\u00e1bban t\u00e1mogattak a r\u00e9gi GeoIP API-hoz, amelynek karbantart\u00e1s\u00e1t a MaxMind m\u00e1r nem v\u00e9gzi. \u00daj metrik\u00e1k is hozz\u00e1adva: dnssec-sign \u00e9s dnssec-refresh a DNSSEC al\u00e1\u00edr\u00e1sok sz\u00e1m\u00e1nak l\u00e9trehoz\u00e1s\u00e1hoz \u00e9s friss\u00edt\u00e9s\u00e9hez.<\/p>\n

Tov\u00e1bbi megjegyz\u00e9sk\u00e9nt kiad\u00e1s<\/a><\/noindex> A Knot 2.8.3 DNS-szerverben \u00faj konfigur\u00e1ci\u00f3s f\u00e1jl ker\u00fclt bevezet\u00e9sre a TLS tan\u00fas\u00edtv\u00e1nyhoz\/kunjelsz\u00f3hoz a kdig sz\u00e1m\u00e1ra, javult a napl\u00f3bejegyz\u00e9sek informativit\u00e1sa az offline-KSK al\u00e1\u00edr\u00e1sok \u00e9s az RRL modul eset\u00e9n, \u00e9s kiterjesztett\u00e9k a DNSSEC konfigur\u00e1ci\u00f3s ellen\u0151rz\u00e9seit.<\/p>\n

Megjelent a Knot Resolver 4.1.0 friss\u00edt\u00e9se is, amelyben orvosolt\u00e1k (az sebezhet\u0151s\u00e9gekr\u0151l \u00e1prilis 30-\u00e1n tettek k\u00f6zz\u00e9 inform\u00e1ci\u00f3t), amelyek a legmagasabb kock\u00e1zati szintet kapt\u00e1k, mivel hiteles\u00edt\u00e9s n\u00e9lk\u00fcl<\/a><\/noindex> (CVE-2019-10190, CVE-2019-10191): a DNSSEC ellen\u0151rz\u00e9s megker\u00fcl\u00e9s\u00e9nek lehet\u0151s\u00e9ge a hi\u00e1nyz\u00f3 nevek (NXDOMAIN) lek\u00e9rdez\u00e9sekor, valamint a DNSSEC v\u00e9dett domainek vissza\u00e1ll\u00edt\u00e1sa felt\u00f6rt csomagok r\u00e9v\u00e9n nem v\u00e9dett DNSSEC \u00e1llapotba.<\/p>\n

<\/a><\/noindex><\/p>\n

Forr\u00e1s: 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 9.14.4 \u0438 9.11.9, \u0430 \u0442\u0430\u043a\u0436\u0435 \u043d\u0430\u0445\u043e\u0434\u044f\u0449\u0435\u0439\u0441\u044f \u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u043e\u0439 \u0432\u0435\u0442\u043a\u0438 9.15.2. \u0412 \u043d\u043e\u0432\u044b\u0445 \u0432\u044b\u043f\u0443\u0441\u043a\u0430\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2019-6471), \u0432\u044b\u0437\u0432\u0430\u043d\u043d\u0430\u044f \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435\u043c \u0433\u043e\u043d\u043a\u0438 \u0438 \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u0430\u044f \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u043e\u0442\u043a\u0430\u0437\u0443 \u0432 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u0438 (\u0437\u0430\u0432\u0435\u0440\u0448\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430 \u043f\u0440\u0438 \u0441\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u043d\u0438\u0438 assert) \u043f\u0440\u0438 \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438 \u0431\u043e\u043b\u044c\u0448\u043e\u0433\u043e \u0447\u0438\u0441\u043b\u0430 \u0432\u0445\u043e\u0434\u044f\u0449\u0438\u0445 \u043f\u0430\u043a\u0435\u0442\u043e\u0432. \u041a\u0440\u043e\u043c\u0435 \u0442\u043e\u0433\u043e \u0432 \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 9.14.4 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 API GeoIP2 […]<\/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-36321","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\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\udd47 A DNS-szerverek BIND 9.14.4 \u00e9s Knot 2.8.3 friss\u00edt\u00e9se | ProHoster","description":"Kibocs\u00e1tott\u00e1k a DNS-szerver stabil \u00e1gainak hibajav\u00edt\u00f3 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