{"id":31538,"date":"2019-10-31T21:41:45","date_gmt":"2019-10-31T18:41:45","guid":{"rendered":"https:\/\/prohoster.info\/blog\/dragonblood-vyyavleny-pervye-uyazvimosti-wi-fi-wpa3\/"},"modified":"2019-10-31T21:41:45","modified_gmt":"2019-10-31T18:41:45","slug":"dragonblood-vyyavleny-pervye-uyazvimosti-wi-fi-wpa3","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/dragonblood-vyyavleny-pervye-uyazvimosti-wi-fi-wpa3","title":{"rendered":"Dragonblood: se han identificado las primeras vulnerabilidades del Wi-Fi WPA3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>En octubre de 2017, se descubri\u00f3 inesperadamente una grave vulnerabilidad en el protocolo Wi-Fi Protected Access II (WPA2) que permit\u00eda identificar las contrase\u00f1as de los usuarios y luego interceptar el intercambio de datos de la v\u00edctima. La vulnerabilidad se denomin\u00f3 KRACK (abreviatura de Key Reinstallation Attack) y fue identificada por los expertos Mathy Vanhoef y Eyal Ronen. Despu\u00e9s del descubrimiento, la vulnerabilidad KRACK fue corregida con actualizaciones de firmware para los dispositivos, y el protocolo WPA3, que lleg\u00f3 el a\u00f1o pasado como sucesor de WPA2, deber\u00eda haber hecho olvidar los problemas de seguridad en las redes Wi-Fi.&nbsp;<\/p>\n<p><img decoding=\"async\" alt=\"Dragonblood: se han identificado las primeras vulnerabilidades del Wi-Fi WPA3\" src=\"\/wp-content\/uploads\/2019\/04\/f6b450d1ca04edce084454d60bf0faa7.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>Lamentablemente, los mismos expertos encontraron vulnerabilidades igualmente peligrosas en el protocolo WPA3. Por lo tanto, una vez m\u00e1s es necesario esperar y confiar en nuevas actualizaciones de firmware para los puntos de acceso inal\u00e1mbricos y dispositivos, de lo contrario, tendremos que vivir con el conocimiento de la vulnerabilidad de las redes Wi-Fi dom\u00e9sticas y p\u00fablicas. Las vulnerabilidades encontradas en WPA3 recibieron el nombre colectivo de Dragonblood.<\/p>\n<p>Las ra\u00edces del problema, como antes, se encuentran en el funcionamiento del mecanismo de establecimiento de conexi\u00f3n, o como se les llama en el est\u00e1ndar, 'apret\u00f3n de manos'. Este mecanismo en el est\u00e1ndar WPA3 se llama Dragonfly. Antes del descubrimiento de Dragonblood, se consideraba bien protegido. En total, el paquete Dragonblood incluye cinco tipos de vulnerabilidades: denegaci\u00f3n de servicio, dos vulnerabilidades de degradaci\u00f3n de la seguridad de la red y dos vulnerabilidades de ataque por canal lateral.<\/p>\n<p><center><\/center><br \/>\n<img decoding=\"async\" alt=\"Dragonblood: se han identificado las primeras vulnerabilidades del Wi-Fi WPA3\" src=\"\/wp-content\/uploads\/2019\/04\/495dc7e8399886c9ccab5adf191307e3.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>La denegaci\u00f3n de servicio no conduce a la filtraci\u00f3n de datos, pero puede ser un evento desagradable para el usuario, que repetidamente no puede conectarse al punto de acceso. Las dem\u00e1s vulnerabilidades permiten al atacante recuperar las contrase\u00f1as para que el usuario se conecte al punto de acceso y rastrear cualquier informaci\u00f3n cr\u00edtica para el usuario.<\/p>\n<p>Los ataques de degradaci\u00f3n de la seguridad de la red pueden obligar a la transici\u00f3n forzada a una versi\u00f3n anterior del protocolo WPA2 o a opciones m\u00e1s d\u00e9biles de los algoritmos de cifrado WPA3, y luego continuar el hackeo con m\u00e9todos ya conocidos. El ataque que utiliza canales laterales explota caracter\u00edsticas de los algoritmos WPA3 y su implementaci\u00f3n, lo que, en \u00faltima instancia, tambi\u00e9n permite utilizar m\u00e9todos de hackeo de contrase\u00f1as previamente conocidos. M\u00e1s informaci\u00f3n aqu\u00ed. El conjunto de herramientas para identificar las vulnerabilidades de Dragonblood se puede encontrar en este enlace.<\/p>\n<p><img decoding=\"async\" alt=\"Dragonblood: se han identificado las primeras vulnerabilidades del Wi-Fi WPA3\" src=\"\/wp-content\/uploads\/2019\/04\/1c0abc6fcce12e7a0cb0007d4c67acae.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>La Alianza Wi-Fi, encargada de desarrollar los est\u00e1ndares Wi-Fi, ha sido informada sobre las vulnerabilidades encontradas. Se informa que los fabricantes de equipos est\u00e1n preparando firmwares modificados para cerrar las brechas de seguridad descubiertas. No ser\u00e1 necesario realizar reemplazos ni devoluciones de equipos.<\/p>\n<p><center><\/p>\n<p><\/center><\/p>\n<p>\t\t\t\t<center><br \/>\n\t\t\t\t\t\t\t\t<\/center><br \/>\n<br \/>Fuente: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/3dnews.ru\/985679\">3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u043e\u043a\u0442\u044f\u0431\u0440\u0435 2017 \u0433\u043e\u0434\u0430 \u043d\u0435\u043e\u0436\u0438\u0434\u0430\u043d\u043d\u043e \u0432\u044b\u044f\u0441\u043d\u0438\u043b\u043e\u0441\u044c, \u0447\u0442\u043e \u0432 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0435 Wi-Fi Protected Access II (WPA2) \u0434\u043b\u044f \u0448\u0438\u0444\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0442\u0440\u0430\u0444\u0438\u043a\u0430 Wi-Fi \u0438\u043c\u0435\u0435\u0442\u0441\u044f \u0441\u0435\u0440\u044c\u0451\u0437\u043d\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0432\u044b\u044f\u0432\u043b\u044f\u0442\u044c \u043f\u0430\u0440\u043e\u043b\u0438 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u0438 \u0437\u0430\u0442\u0435\u043c \u043f\u0440\u043e\u0441\u043b\u0443\u0448\u0438\u0432\u0430\u0442\u044c \u043e\u0431\u043c\u0435\u043d \u0434\u0430\u043d\u043d\u044b\u043c\u0438 \u0436\u0435\u0440\u0442\u0432\u044b. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u0430 \u043d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 KRACK (\u0441\u043e\u043a\u0440\u0430\u0449\u0435\u043d\u0438\u0435 \u043e\u0442 Key Reinstallation Attack) \u0438 \u0431\u044b\u043b\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0441\u0442\u0430\u043c\u0438 \u041c\u044d\u0442\u0438 \u0412\u0430\u043d\u0445\u043e\u0444\u043e\u043c (Mathy Vanhoef) \u0438 \u042d\u0439\u0430\u043b\u043e\u043c \u0420\u043e\u043d\u0435\u043d\u043e\u043c (Eyal Ronen).&nbsp;\u041f\u043e\u0441\u043b\u0435 \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u044f [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":23463,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-31538","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u043e\u043a\u0442\u044f\u0431\u0440\u0435 2017 \u0433\u043e\u0434\u0430 \u043d\u0435\u043e\u0436\u0438\u0434\u0430\u043d\u043d\u043e \u0432\u044b\u044f\u0441\u043d\u0438\u043b\u043e\u0441\u044c, \u0447\u0442\u043e \u0432 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