{"id":101265,"date":"2021-09-14T16:22:39","date_gmt":"2021-09-14T14:22:39","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-chrome-93-0-4577-82-s-ustraneniem-0-day-uyazvimostej"},"modified":"2021-09-14T16:22:39","modified_gmt":"2021-09-14T14:22:39","slug":"obnovlenie-chrome-93-0-4577-82-s-ustraneniem-0-day-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/obnovlenie-chrome-93-0-4577-82-s-ustraneniem-0-day-uyazvimostej","title":{"rendered":"Aktualizace Chrome 93.0.4577.82 s odstran\u011bn\u00edm 0-day zranitelnost\u00ed.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Spole\u010dnost Google vydala aktualizaci Chrome 93.0.4577.82, kter\u00e1 opravuje 11 zranitelnost\u00ed, v\u010detn\u011b dvou probl\u00e9m\u016f, kter\u00e9 ji\u017e byly zneu\u017e\u00edv\u00e1ny \u00fato\u010dn\u00edky v exploitech (0-day). Podrobnosti zat\u00edm nebyly zve\u0159ejn\u011bny, je v\u0161ak zn\u00e1mo, \u017ee prvn\u00ed zranitelnost (CVE-2021-30632) je zp\u016fsobena chybou, kter\u00e1 vede k p\u0159ete\u010den\u00ed bufferu v JavaScriptov\u00e9m enginu V8, a druh\u00fd probl\u00e9m (CVE-2021-30633) se vyskytuje v implementaci API Indexed DB a souvis\u00ed s p\u0159\u00edstupem k pam\u011b\u0165ov\u00e9 oblasti po jej\u00edm osvobozen\u00ed (use-after-free). <\/p>\n

Mezi dal\u0161\u00edmi zranitelnostmi jsou: dva probl\u00e9my zp\u016fsoben\u00e9 p\u0159\u00edstupem k pam\u011bti po jej\u00edm uvoln\u011bn\u00ed v API Selection a Permissions; nespr\u00e1vn\u00e9 zpracov\u00e1n\u00ed typ\u016f (Type Confusion) v enginu Blink; p\u0159ete\u010den\u00ed bufferu v vrstv\u011b ANGLE (Almost Native Graphics Layer Engine). V\u0161echny zranitelnosti byly klasifikov\u00e1ny jako nebezpe\u010dn\u00e9. Nebyly zji\u0161t\u011bny kritick\u00e9 probl\u00e9my, kter\u00e9 by jednotliv\u011b umo\u017enily obch\u00e1zet v\u0161echny \u00farovn\u011b ochrany prohl\u00ed\u017ee\u010de a spou\u0161t\u011bt k\u00f3d v syst\u00e9mu mimo sandboxov\u00e9 prost\u0159ed\u00ed.
\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\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043b\u0430 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 Chrome 93.0.4577.82, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u044b 11 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u0432 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 \u0434\u0432\u0435 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b, \u0443\u0436\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u044b\u0435 \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u0430\u043c\u0438 \u0432 \u044d\u043a\u0441\u043f\u043b\u043e\u0438\u0442\u0430\u0445 (0-day). \u0414\u0435\u0442\u0430\u043b\u0438 \u043f\u043e\u043a\u0430 \u043d\u0435 \u0440\u0430\u0441\u043a\u0440\u044b\u0432\u0430\u044e\u0442\u0441\u044f, \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u043e \u043b\u0438\u0448\u044c, \u0447\u0442\u043e \u043f\u0435\u0440\u0432\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2021-30632) \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u043e\u0448\u0438\u0431\u043a\u043e\u0439, \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0449\u0435\u0439 \u043a \u0437\u0430\u043f\u0438\u0441\u0438 \u0437\u0430 \u0433\u0440\u0430\u043d\u0438\u0446\u0443 \u0431\u0443\u0444\u0435\u0440\u0430 \u0432 JavaScript-\u0434\u0432\u0438\u0436\u043a\u0435 V8, \u0430 \u0432\u0442\u043e\u0440\u0430\u044f \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 (CVE-2021-30633) \u043f\u0440\u0438\u0441\u0443\u0442\u0441\u0442\u0432\u0443\u0435\u0442 \u0432 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 API Indexed DB \u0438 \u0441\u0432\u044f\u0437\u0430\u043d\u0430 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