{"id":181752,"date":"2026-05-26T14:48:51","date_gmt":"2026-05-26T12:48:51","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/google-sluchajno-raskryl-detali-neispravlennoj-uyazvimosti-v-chromium"},"modified":"2026-05-26T14:48:51","modified_gmt":"2026-05-26T12:48:51","slug":"google-sluchajno-raskryl-detali-neispravlennoj-uyazvimosti-v-chromium","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/google-sluchajno-raskryl-detali-neispravlennoj-uyazvimosti-v-chromium","title":{"rendered":"Google omylem odhalil detaily neopraven\u00e9 zranitelnosti v Chromiu","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Spole\u010dnost Google n\u00e1hodou zve\u0159ejnila ve\u0159ejn\u00fd p\u0159\u00edstup k zpr\u00e1v\u011b (ve\u0159ejn\u00e1 kopie), kter\u00e1 obsahuje podrobn\u00fd popis a p\u0159\u00edklad exploitu pro zranitelnost, kter\u00e1 je\u0161t\u011b nebyla opravena v j\u00e1dru Chromium. Zranitelnost byla uzn\u00e1na jako nebezpe\u010dn\u00e1 a v\u00fdzkumn\u00edk, kter\u00fd na probl\u00e9m upozornil, obdr\u017eel odm\u011bnu ve v\u00fd\u0161i 1000 $. Informace o probl\u00e9mu byly zasl\u00e1ny ji\u017e v roce 2022 a od t\u00e9 doby se o n\u011bm ob\u010das diskutovalo, ale kone\u010dn\u00e9 \u0159e\u0161en\u00ed nebylo dosa\u017eeno, p\u0159i\u010dem\u017e bylo t\u0159eba implementovat nov\u00e1 omezen\u00ed pro nep\u0159etr\u017eit\u00e9 stahov\u00e1n\u00ed. V jedn\u00e9 z t\u011bchto diskus\u00ed si v\u00fdvoj\u00e1\u0159i omylem mysleli, \u017ee zranitelnost byla opravena, a otev\u0159eli ve\u0159ejn\u00fd p\u0159\u00edstup k informac\u00edm, p\u0159esto\u017ee probl\u00e9m z\u016fst\u00e1val nevy\u0159e\u0161en\u00fd.<\/p>\n

Zranitelnost umo\u017e\u0148uje pokra\u010dov\u00e1n\u00ed v b\u011bhu pozad\u00ed JavaScriptov\u00e9ho zpracovatele (Service Worker) i po zav\u0159en\u00ed okna prohl\u00ed\u017ee\u010de, co\u017e \u00fato\u010dn\u00edkovi umo\u017e\u0148uje trval\u00e9 sledov\u00e1n\u00ed prohl\u00ed\u017ee\u010de s mo\u017enost\u00ed na\u010d\u00edt\u00e1n\u00ed a spu\u0161t\u011bn\u00ed sv\u00e9ho JavaScriptov\u00e9ho k\u00f3du kdykoli v kontextu sv\u00e9 str\u00e1nky. \u00datok spo\u010d\u00edv\u00e1 v tom, \u017ee \u00fato\u010dn\u00edk m\u016f\u017ee dos\u00e1hnout otev\u0159en\u00ed sv\u00e9 str\u00e1nky v verzi prohl\u00ed\u017ee\u010de, kter\u00e1 neobsahuje zranitelnosti, a pot\u00e9 \u010dekat na odhalen\u00ed v\u00e1\u017en\u00e9 zranitelnosti v prohl\u00ed\u017ee\u010di a realizovat exploit bez nutnosti op\u011btovn\u00e9ho otev\u0159en\u00ed str\u00e1nky u\u017eivatelem. Podstatou metody je vytvo\u0159en\u00ed str\u00e1nky se Service Workerem, kter\u00fd prov\u00e1d\u00ed operaci stahov\u00e1n\u00ed dat, kter\u00e1 nikdy nen\u00ed p\u0159eru\u0161ena. <\/p>\n

Podle n\u00e1zoru v\u011bdce, kter\u00fd probl\u00e9m odhalil, m\u016f\u017ee b\u00fdt zranitelnost vyu\u017eita k vytvo\u0159en\u00ed botnetu z prohl\u00ed\u017ee\u010d\u016f, jejich\u017e u\u017eivatel\u00e9 netu\u0161\u00ed, \u017ee \u00fato\u010dn\u00edk m\u016f\u017ee jednou, kdy\u017e se usad\u00ed, vzd\u00e1len\u011b prov\u00e9st JavaScriptov\u00fd k\u00f3d na jejich za\u0159\u00edzen\u00ed bez jak\u00e9hokoliv z\u00e1sahu z jejich strany. Takov\u00fd botnet m\u016f\u017ee b\u00fdt tak\u00e9 bez vyu\u017eit\u00ed jin\u00fdch zranitelnost\u00ed pou\u017eit k organizaci DDoS \u00fatok\u016f a sm\u011brov\u00e1n\u00ed \u0161kodliv\u00e9ho provozu p\u0159es ob\u011bti. Probl\u00e9m se t\u00fdk\u00e1 v\u0161ech prohl\u00ed\u017ee\u010d\u016f zalo\u017een\u00fdch na j\u00e1dru Chromium.
\n
Zdroj: 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\u043b\u0443\u0447\u0430\u0439\u043d\u043e \u043e\u0442\u043a\u0440\u044b\u043b\u0430 \u043f\u0443\u0431\u043b\u0438\u0447\u043d\u044b\u0439 \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u043e\u0442\u0447\u0451\u0442\u0443 (\u043e\u0431\u0449\u0435\u0434\u043e\u0441\u0442\u0443\u043f\u043d\u0430\u044f \u043a\u043e\u043f\u0438\u044f), \u0441\u043e\u0434\u0435\u0440\u0436\u0430\u0449\u0435\u043c\u0443 \u0434\u0435\u0442\u0430\u043b\u044c\u043d\u043e\u0435 \u043f\u043e\u044f\u0441\u043d\u0435\u043d\u0438\u0435 \u0438 \u043f\u0440\u0438\u043c\u0435\u0440 \u044d\u043a\u0441\u043f\u043b\u043e\u0438\u0442\u0430 \u0434\u043b\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u0435\u0449\u0451 \u043d\u0435 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u043d\u043e\u0439 \u0432 \u0434\u0432\u0438\u0436\u043a\u0435 Chromium. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043f\u0440\u0438\u0437\u043d\u0430\u043d\u0430 \u043e\u043f\u0430\u0441\u043d\u043e\u0439 \u0438 \u0432\u044b\u044f\u0432\u0438\u0432\u0448\u0435\u043c\u0443 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0443 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044e \u0431\u044b\u043b\u043e \u0432\u044b\u043f\u043b\u0430\u0447\u0435\u043d\u043e \u0432\u043e\u0437\u043d\u0430\u0433\u0440\u0430\u0436\u0434\u0435\u043d\u0438\u0435 \u0432 $1000. \u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0435 \u0431\u044b\u043b\u0430 \u043e\u0442\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0430 \u0435\u0449\u0451 \u0432 2022 \u0433\u043e\u0434\u0443 \u0438 \u0441 \u0442\u0435\u0445 \u043f\u043e\u0440 \u043f\u0435\u0440\u0438\u043e\u0434\u0438\u0447\u0435\u0441\u043a\u0438 \u043f\u043e\u0434\u043d\u0438\u043c\u0430\u043b\u043e\u0441\u044c, \u043d\u043e \u043d\u0435 \u0434\u043e\u0432\u043e\u0434\u0438\u043b\u043e\u0441\u044c \u0434\u043e […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-181752","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\udd47Google n\u00e1hodou odhalil detaily neopravovan\u00e9 zranitelnosti v Chromium | ProHoster","description":"Spole\u010dnost Google n\u00e1hodou zve\u0159ejnila ve\u0159ejn\u00fd p\u0159\u00edstup k zpr\u00e1v\u011b (ve\u0159ejn\u00e1 kopie), kter\u00e1 obsahuje podrobn\u00fd popis a p\u0159\u00edklad exploitu pro zranitelnost, kter\u00e1 je\u0161t\u011b nebyla opravena v j\u00e1dru Chromium.","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/google-sluchajno-raskryl-detali-neispravlennoj-uyazvimosti-v-chromium","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"cs_CZ","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\udd47Google \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u043e \u0440\u0430\u0441\u043a\u0440\u044b\u043b \u0434\u0435\u0442\u0430\u043b\u0438 \u043d\u0435\u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u043d\u043e\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 Chromium | 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