{"id":183672,"date":"2026-10-07T22:54:13","date_gmt":"2026-10-07T20:54:13","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/komprometacziya-registratorov-3-domennyh-zon-pozvolila-poluchit-tls-sertifikaty-k-servisam-google"},"modified":"2026-10-07T22:54:20","modified_gmt":"2026-10-07T20:54:20","slug":"compromise-of-registrars-for-three-domain-zones-enabled-tls-certificate-issuance-for-google-services","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/compromise-of-registrars-for-three-domain-zones-enabled-tls-certificate-issuance-for-google-services","title":{"rendered":"H\u00e1rom domainz\u00f3n\u00e1t \u00e9rint\u0151 regisztr\u00e1torok kompromitt\u00e1l\u00e1sa lehet\u0151v\u00e9 tette TLS-tan\u00fas\u00edtv\u00e1nyok megszerz\u00e9s\u00e9t a Google szolg\u00e1ltat\u00e1saihoz","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A Google bejelentette, hogy egy incidens k\u00f6vetkezt\u00e9ben a t\u00e1mad\u00f3knak siker\u00fclt TLS tan\u00fas\u00edtv\u00e1nyokat szerezni\u00fck bizonyos Google domainekhez (p\u00e9ld\u00e1ul google.as), online szolg\u00e1ltat\u00e1sokhoz \u00e9s nagyv\u00e1llalatokhoz a «.gh», «.sl» \u00e9s «.as» z\u00f3n\u00e1kban. A t\u00e1mad\u00e1st a nemzeti legfels\u0151 szint\u0171 tartom\u00e1nyregisztr\u00e1torok kompromit\u00e1l\u00e1s\u00e1val hajtott\u00e1k v\u00e9gre \u2013 «.gh» (Gh\u00e1na), «.sl» (Sierra Leone) \u00e9s «.as» (Amerikai Szamoa) \u2013, ami lehet\u0151v\u00e9 tette a DNS szerverek cser\u00e9j\u00e9t ezekben a z\u00f3n\u00e1kban, \u00e9s a k\u00e9r\u00e9sek \u00e1tir\u00e1ny\u00edt\u00e1s\u00e1t a t\u00e1mad\u00f3k szervereire. A forgalom \u00e1tir\u00e1ny\u00edt\u00e1s\u00e1val a t\u00e1mad\u00f3k k\u00e9pesek voltak igazolni a domainek birtokl\u00e1s\u00e1t \u00e9s megszerezni a TLS tan\u00fas\u00edtv\u00e1nyokat, mivel a DNS adatainak megv\u00e1ltoztat\u00e1sa ut\u00e1n a hiteles\u00edt\u0151 k\u00f6zpontokt\u00f3l \u00e9rkez\u0151 ellen\u0151rz\u0151 k\u00e9r\u00e9seket nem a val\u00f3di, hanem az \u00e1lc\u00e1zott hosztokra k\u00fcldt\u00e9k, \u00e9s ezeket kezelt\u00e9k. <\/p>\n

A jogosulatlan tan\u00fas\u00edtv\u00e1nyok megszerz\u00e9se a Certificate Transparency napl\u00f3inak elemz\u00e9se r\u00e9v\u00e9n ker\u00fclt napvil\u00e1gra, ahol a tan\u00fas\u00edt\u00f3 hat\u00f3s\u00e1gok t\u00fckr\u00f6zik az \u00f6sszes kiadott \u00e9s visszavont tan\u00fas\u00edtv\u00e1nyt. A Google blokkolta a t\u00e1mad\u00e1s sor\u00e1n megszerzett illegitim tan\u00fas\u00edtv\u00e1nyokat a Chrome b\u00f6ng\u00e9sz\u0151 CRLSets mechanizmus\u00e1nak seg\u00edts\u00e9g\u00e9vel, \u00e9s el\u00e9rte a vonatkoz\u00f3 tan\u00fas\u00edtv\u00e1nyok visszavon\u00e1s\u00e1t a tan\u00fas\u00edt\u00f3 hat\u00f3s\u00e1gokt\u00f3l. Jelenleg nem der\u00fclt ki, hogy pontosan milyen domainok<\/a> hamis tan\u00fas\u00edtv\u00e1nyokat adtak ki, \u00e9s mely c\u00e9gek szenvedtek a t\u00e1mad\u00e1st\u00f3l. <\/p>\n

A hasonl\u00f3 incidensek megism\u00e9tl\u0151d\u00e9s\u00e9nek kock\u00e1zat\u00e1nak minimaliz\u00e1l\u00e1sa \u00e9rdek\u00e9ben a domaintulajdonosoknak javasolt, hogy folyamatosan figyelemmel k\u00eds\u00e9rj\u00e9k a nyilv\u00e1nos CT (Certificate Transparency) napl\u00f3kat az illet\u00e9ktelen tan\u00fas\u00edtv\u00e1nykiad\u00e1s \u00e9szlel\u00e9s\u00e9re. A DNS-ben aj\u00e1nlott CAA (Certification Authority Authorization) bejegyz\u00e9sek hozz\u00e1ad\u00e1sa, amelyek meghat\u00e1rozz\u00e1k azon hiteles\u00edt\u0151 k\u00f6zpontok list\u00e1j\u00e1t, amelyeknek enged\u00e9lyezett a tan\u00fas\u00edtv\u00e1nyok kiad\u00e1sa az adott domainhez. A CAA DNS-bejegyz\u00e9s megad\u00e1sa nem v\u00e9d meg a tan\u00fas\u00edtv\u00e1ny k\u00e9r\u00e9s\u00e9t\u0151l DNS-manipul\u00e1ci\u00f3 ut\u00e1n, de a DNS feletti ellen\u0151rz\u00e9s visszaszerz\u00e9se ut\u00e1n megakad\u00e1lyozza a tan\u00fas\u00edtv\u00e1nyok \u00fajb\u00f3li kiad\u00e1s\u00e1t a t\u00e1mad\u00f3k \u00e1ltal, a domain tulajdonjog\u00e1nak ellen\u0151rz\u00e9s\u00e9re vonatkoz\u00f3 gyors\u00edt\u00f3t\u00e1razott adatok felhaszn\u00e1l\u00e1s\u00e1val.
\n
Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0430 \u043e\u0431 \u0438\u043d\u0446\u0438\u0434\u0435\u043d\u0442\u0435, \u0432 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0435 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0438\u043c \u0443\u0434\u0430\u043b\u043e\u0441\u044c \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c TLS-\u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u044b \u0434\u043b\u044f \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0445 \u0434\u043e\u043c\u0435\u043d\u043e\u0432 Google (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, google.as), \u043e\u043d\u043b\u0430\u0439\u043d-\u0441\u0435\u0440\u0432\u0438\u0441\u043e\u0432 \u0438 \u043a\u0440\u0443\u043f\u043d\u044b\u0445 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0439 \u0432 \u0437\u043e\u043d\u0430\u0445 «.gh», «.sl» \u0438 «.as». \u0410\u0442\u0430\u043a\u0430 \u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u0430 \u0447\u0435\u0440\u0435\u0437 \u043a\u043e\u043c\u043f\u0440\u043e\u043c\u0435\u0442\u0430\u0446\u0438\u044e \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u043e\u0432 \u043d\u0430\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u044b\u0445 \u0434\u043e\u043c\u0435\u043d\u043d\u044b\u0445 \u0437\u043e\u043d \u0432\u0435\u0440\u0445\u043d\u0435\u0433\u043e \u0443\u0440\u043e\u0432\u043d\u044f — «.gh» (\u0413\u0430\u043d\u0430), «.sl» (\u0421\u044c\u0435\u0440\u0440\u0430-\u041b\u0435\u043e\u043d\u0435) \u0438 «.as» (\u0410\u043c\u0435\u0440\u0438\u043a\u0430\u043d\u0441\u043a\u043e\u0435 \u0421\u0430\u043c\u043e\u0430), \u0447\u0442\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u043b\u043e \u0437\u0430\u043c\u0435\u043d\u0438\u0442\u044c DNS-\u0441\u0435\u0440\u0432\u0435\u0440\u044b \u0434\u043b\u044f \u0434\u043e\u043c\u0435\u043d\u043e\u0432 \u0432 \u044d\u0442\u0438\u0445 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-183672","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\n","aioseo_head_json":{"title":"\ud83e\udd47A h\u00e1rom domain z\u00f3na regisztr\u00e1torainak kompromitt\u00e1l\u00e1sa lehet\u0151v\u00e9 tette a Google szolg\u00e1ltat\u00e1sokhoz tartoz\u00f3 TLS-tan\u00fas\u00edtv\u00e1nyok megszerz\u00e9s\u00e9t | ProHoster","description":"A Google bejelentette, hogy egy incidens k\u00f6vetkezt\u00e9ben a t\u00e1mad\u00f3k TLS-tan\u00fas\u00edtv\u00e1nyokat szereztek meg bizonyos Google-domainekhez (p\u00e9ld\u00e1ul google.as), online szolg\u00e1ltat\u00e1sokhoz \u00e9s nagyv\u00e1llalatokhoz az z\u00f3n\u00e1kban \".gh\", \".sl\" \u00e9s.","canonical_url":"https:\/\/prohoster.info\/hu\/blog\/news\/compromise-of-registrars-for-three-domain-zones-enabled-tls-certificate-issuance-for-google-services","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"hu_HU","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041a\u043e\u043c\u043f\u0440\u043e\u043c\u0435\u0442\u0430\u0446\u0438\u044f \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u043e\u0432 3 \u0434\u043e\u043c\u0435\u043d\u043d\u044b\u0445 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