{"id":100493,"date":"2021-06-10T10:22:41","date_gmt":"2021-06-10T08:22:41","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-chrome-91-0-4472-101-s-ustraneniem-0-day-uyazvimosti"},"modified":"2021-06-10T10:22:41","modified_gmt":"2021-06-10T08:22:41","slug":"obnovlenie-chrome-91-0-4472-101-s-ustraneniem-0-day-uyazvimosti","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/obnovlenie-chrome-91-0-4472-101-s-ustraneniem-0-day-uyazvimosti","title":{"rendered":"Actualizaci\u00f3n de Chrome 91.0.4472.101 que corrige una vulnerabilidad 0-day","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>La empresa Google ha lanzado la actualizaci\u00f3n de Chrome 91.0.4472.101, que corrige 14 vulnerabilidades, incluida la problema CVE-2021-30551, que ya est\u00e1 siendo explotada por atacantes en exploits (0-day). Los detalles a\u00fan no se han revelado, solo se sabe que la vulnerabilidad es causada por un manejo incorrecto de tipos (Type Confusion) en el motor JavaScript V8.    <\/p>\n<p>En la nueva versi\u00f3n tambi\u00e9n se ha eliminado otra vulnerabilidad cr\u00edtica CVE-2021-30544, provocada por el acceso a la memoria despu\u00e9s de su liberaci\u00f3n (use-after-free) en la cach\u00e9 de navegaci\u00f3n (BFCache, Back-forward cache), utilizada para transiciones instant\u00e1neas al usar los botones &#171;Atr\u00e1s&#187; y &#171;Adelante&#187; o al navegar por p\u00e1ginas previamente visitadas del sitio actual. Este problema ha sido clasificado como de nivel cr\u00edtico, es decir, se ha determinado que la vulnerabilidad permite eludir todos los niveles de protecci\u00f3n del navegador y es suficiente para ejecutar c\u00f3digo en el sistema fuera del entorno sandbox.<br \/>\n<br \/>Fuente: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55309\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\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 91.0.4472.101, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u044b 14 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u0432 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 CVE-2021-30551, \u0443\u0436\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u0430\u044f \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 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u043d\u0435\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e\u0439 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 \u0442\u0438\u043f\u043e\u0432 (Type Confusion) \u0432 JavaScript-\u0434\u0432\u0438\u0436\u043a\u0435 V8. \u0412 \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 \u0442\u0430\u043a\u0436\u0435 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0435\u0449\u0451 \u043e\u0434\u043d\u0430 \u043e\u043f\u0430\u0441\u043d\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c CVE-2021-30544, \u0432\u044b\u0437\u0432\u0430\u043d\u043d\u0430\u044f \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u0435\u043c \u043a \u043f\u0430\u043c\u044f\u0442\u0438 \u043f\u043e\u0441\u043b\u0435 \u0435\u0451 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-100493","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" 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property=\"og:description\" content=\"\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 91.0.4472.101, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u044b 14 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u0432 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 CVE-2021-30551, \u0443\u0436\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u0430\u044f \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).\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/es\/blog\/news\/obnovlenie-chrome-91-0-4472-101-s-ustraneniem-0-day-uyazvimosti\" \/>\n\t\t<meta 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