{"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\/hr\/blog\/news\/compromise-of-registrars-for-three-domain-zones-enabled-tls-certificate-issuance-for-google-services","title":{"rendered":"Kompromitacija registrar\u00e2 tri domenske zone omogu\u0107ila je dobivanje TLS certifikata za Googleove usluge","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Tvrtka Google izvijestila je o incidentu tijekom kojeg su napada\u010di uspjeli dobiti TLS certifikate za odre\u0111ene domene Googlea (npr. google.as), online usluge i velike kompanije u zonskim domenama «.gh», «.sl» i «.as». Napad je izveden kompromitacijom registrara nacionalnih domena najvi\u0161eg nivoa - «.gh» (Gana), «.sl» (Sijera Leone) i «.as» (Ameri\u010dka Samoa), \u0161to je omogu\u0107ilo zamjenu DNS servera za domene u tim zonama i preusmjeravanje upita na servere zlonamjernika. Preusmjeravanjem prometa, napada\u010di su mogli potvrditi vlasni\u0161tvo nad domenama i dobiti TLS certifikate, jer su nakon izmjene podataka u DNS-u, provjeravaju\u0107i upiti od certifikacijskih centara bili poslani ne na stvarne, ve\u0107 na zamijenjene hostove i obra\u0111eni na njima. <\/p>\n

Neovla\u0161teno stjecanje certifikata otkriveno je analizom logova Certificate Transparency, u kojima certifikacijska tijela prikazuju sve izdate i povu\u010dene certifikate. Tvrtka Google blokirala je nelegitimne certifikate dobivene u napadu putem mehanizma CRLSets u pregledniku Chrome, a tako\u0111er je zatra\u017eila povla\u010denje tih certifikata od certifikacijskih tijela. Trenuta\u010dno se ne otkriva za koje su to\u010dno domena<\/a> izdani la\u017eni certifikati i koje su tvrtke pretrpjele \u0161tetu od napada. <\/p>\n

Kako bi se minimalizirali rizici od ponavljanja sli\u010dnih incidenata, vlasnicima domena preporu\u010duje se organizirati stalni nadzor javnih CT logova (Certificate Transparency) za otkrivanje neovla\u0161tenog izdavanja certifikata. U DNS se savjetuje dodati CAA (Certification Authority Authorization) zapise, koji definiraju popis certifikacijskih tijela kojima je dopu\u0161teno izdavati certifikate za navedenu domenu. Postavljanje DNS CAA zapisa ne\u0107e za\u0161tititi od zahtjeva za certifikatom nakon promjene DNS-a, ali \u0107e, nakon povratka kontrole nad DNS-om, sprije\u010diti ponovno izdavanje certifikata od strane napada\u010da koriste\u0107i predmemorirane podatke o vlasni\u0161tvu domene.
\n
Izvor: 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 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[…]<\/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\udd47Kompromitacija registrar\u00e2 3 domenske zone omogu\u0107ila je dobivanje TLS certifikata za Google usluge | ProHoster","description":"Tvrtka Google izvijestila je o incidentu tijekom kojeg su napada\u010di uspjeli dobiti TLS certifikate za odre\u0111ene Google domene (npr. google.as), online usluge i velike tvrtke u zonama \".gh\", \".sl\" 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TLS-\u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u044b \u043a \u0441\u0435\u0440\u0432\u0438\u0441\u0430\u043c Google | ProHoster","og:description":"\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 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