{"id":55003,"date":"2020-01-10T00:00:00","date_gmt":"2020-01-09T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/mozilla-ustranila-v-firefox-uyazvimost-nulevogo-dnya-kotoraya-aktivno-ispolzovalas-hakerami"},"modified":"2020-02-18T14:03:04","modified_gmt":"2020-02-18T11:03:04","slug":"mozilla-ustranila-v-firefox-uyazvimost-nulevogo-dnya-kotoraya-aktivno-ispolzovalas-hakerami","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/mozilla-ustranila-v-firefox-uyazvimost-nulevogo-dnya-kotoraya-aktivno-ispolzovalas-hakerami","title":{"rendered":"Mozilla odstranila zranitelnost nult\u00e9ho dne ve Firefoxu, kter\u00e1 byla aktivn\u011b vyu\u017e\u00edv\u00e1na hackery","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

V\u010dera spole\u010dnost Mozilla vydala opravu pro sv\u016fj prohl\u00ed\u017ee\u010d Firefox, kter\u00e1 odstra\u0148uje chybu s nulov\u00fdm dnem. Podle zpr\u00e1v z internetov\u00fdch zdroj\u016f byla zranitelnost aktivn\u011b zneu\u017e\u00edv\u00e1na \u00fato\u010dn\u00edky, ale p\u0159edstavitel\u00e9 Mozilly dosud tuto informaci nekomentovali.<\/p>\n

\"Mozilla<\/p>\n

Bylo zn\u00e1mo, \u017ee zranitelnost zasahovala do JIT kompil\u00e1toru JavaScript IonMonkey pro SpiderMonkey, co\u017e je jedna z hlavn\u00edch komponent\u016f j\u00e1dra Firefox, kter\u00e1 zpracov\u00e1v\u00e1 JavaScriptov\u00e9 operace. Odborn\u00edci tuto probl\u00e9my za\u0159adili do kategorie zranitelnost\u00ed, kter\u00e9 se t\u00fdkaj\u00ed nesouladu pou\u017e\u00edvan\u00fdch typ\u016f dat neboli \"type confusion\", kdy informace zapisovan\u00e1 do pam\u011bti je nejprve ur\u010dena jako jeden typ dat, ale pozd\u011bji se m\u011bn\u00ed na jin\u00fd typ v d\u016fsledku ur\u010dit\u00fdch manipulac\u00ed. Vyu\u017eit\u00edm t\u00e9to zranitelnosti mohli \u00fato\u010dn\u00edci vzd\u00e1len\u011b spustit libovoln\u00fd k\u00f3d na napaden\u00e9m syst\u00e9mu.      <\/p>\n

Podle dostupn\u00fdch \u00fadaj\u016f byla zva\u017eovan\u00e1 zranitelnost objevena specialisty \u010d\u00ednsk\u00e9 spole\u010dnosti Qihoo 360. Z\u00e1stupci spole\u010dnosti uvedli, \u017ee jsou si v\u011bdomi n\u011bkolika p\u0159\u00edpad\u016f, kdy byla zm\u00edn\u011bn\u00e1 zranitelnost fakticky zneu\u017e\u00edv\u00e1na \u00fato\u010dn\u00edky. Je t\u0159eba zm\u00ednit, \u017ee ned\u00e1vno na \u00fa\u010dtu Qihoo 360 na Twitteru bylo zve\u0159ejn\u011bno ozn\u00e1men\u00ed, \u017ee spole\u010dnost objevila aktivn\u011b zneu\u017e\u00edvanou zranitelnost s nulov\u00fdm dnem v prohl\u00ed\u017ee\u010di Internet Explorer. Toto ozn\u00e1men\u00ed bylo v\u0161ak pozd\u011bji odstran\u011bno.<\/p>\n

Pokud jde o zva\u017eovanou zranitelnost, byla odstran\u011bna ve verz\u00edch prohl\u00ed\u017ee\u010de Firefox 72.0.1 a Firefox ESR 68.4.1. U\u017eivatel\u016fm prohl\u00ed\u017ee\u010de spole\u010dnosti Mozilla se doporu\u010duje aktualizovat sv\u016fj prohl\u00ed\u017ee\u010d na nejnov\u011bj\u0161\u00ed verzi, aby se nestali ob\u011b\u0165mi \u00fato\u010dn\u00edk\u016f.<\/p>\n

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Zdroj: 3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412\u0447\u0435\u0440\u0430 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Mozilla \u0432\u044b\u043f\u0443\u0441\u0442\u0438\u043b\u0430 \u043f\u0430\u0442\u0447 \u0434\u043b\u044f \u0441\u0432\u043e\u0435\u0433\u043e \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430 Firefox, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0443\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442 \u043e\u0448\u0438\u0431\u043a\u0443 \u043d\u0443\u043b\u0435\u0432\u043e\u0433\u043e \u0434\u043d\u044f. \u041f\u043e \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f\u043c \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u043e\u0432, \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0430\u043a\u0442\u0438\u0432\u043d\u043e \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0438\u0440\u043e\u0432\u0430\u043b\u0430\u0441\u044c \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u0430\u043c\u0438, \u043d\u043e \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u0442\u0435\u043b\u0438 Mozilla \u043f\u043e\u043a\u0430 \u043d\u0435 \u043a\u043e\u043c\u043c\u0435\u043d\u0442\u0438\u0440\u0443\u044e\u0442 \u0434\u0430\u043d\u043d\u0443\u044e \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044e. \u0418\u0437\u0432\u0435\u0441\u0442\u043d\u043e \u043e \u0442\u043e\u043c, \u0447\u0442\u043e \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0437\u0430\u0442\u0440\u0430\u0433\u0438\u0432\u0430\u043b\u0430 JavaScript JIT-\u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440 IonMonkey \u0434\u043b\u044f SpiderMonkey, \u043e\u0434\u043d\u043e\u0433\u043e \u0438\u0437 \u043e\u0441\u043d\u043e\u0432\u043d\u044b\u0445 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u043e\u0432 \u044f\u0434\u0440\u0430 Firefox, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043e\u0431\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u0442 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 JavaScript. \u0421\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0441\u0442\u044b \u043e\u0442\u043d\u0435\u0441\u043b\u0438 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0443 \u043a […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":55004,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-55003","post","type-post","status-publish","format-standard","has-post-thumbnail","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\udd47Mozilla odstranila ve Firefoxu zranitelnost s nulov\u00fdm dnem, kter\u00e1 byla aktivn\u011b vyu\u017e\u00edv\u00e1na hackery | ProHoster","description":"V\u010dera spole\u010dnost Mozilla vydala opravu pro sv\u016fj prohl\u00ed\u017ee\u010d Firefox, kter\u00e1 odstra\u0148uje chybu s nulov\u00fdm dnem.","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/mozilla-ustranila-v-firefox-uyazvimost-nulevogo-dnya-kotoraya-aktivno-ispolzovalas-hakerami","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\udd47Mozilla \u0443\u0441\u0442\u0440\u0430\u043d\u0438\u043b\u0430 \u0432 Firefox \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043d\u0443\u043b\u0435\u0432\u043e\u0433\u043e \u0434\u043d\u044f, 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