{"id":34976,"date":"2019-10-31T22:01:37","date_gmt":"2019-10-31T19:01:37","guid":{"rendered":"https:\/\/prohoster.info\/blog\/okolo-5-5-vyyavlyaemyh-uyazvimostej-ispolzuyutsya-dlya-osushhestvleniya-atak\/"},"modified":"2019-10-31T22:01:37","modified_gmt":"2019-10-31T19:01:37","slug":"okolo-5-5-vyyavlyaemyh-uyazvimostej-ispolzuyutsya-dlya-osushhestvleniya-atak","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/okolo-5-5-vyyavlyaemyh-uyazvimostej-ispolzuyutsya-dlya-osushhestvleniya-atak","title":{"rendered":"Aproximadamente el 5.5% de las vulnerabilidades detectadas se utilizan para llevar a cabo ataques","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Un grupo de investigadores de la Universidad Polit\u00e9cnica de Virginia, as\u00ed como de las compa\u00f1\u00edas Cyentia y RAND, ha publicado<\/a><\/noindex> los resultados del an\u00e1lisis de riesgos al aplicar diversas estrategias de correcci\u00f3n de vulnerabilidades. Estudiando 76,000 vulnerabilidades encontradas desde 2009 hasta 2018, se descubri\u00f3 que solo 4,183 de ellas (5.5%) se utilizaron para realizar ataques reales. La cifra obtenida es cinco veces mayor que las previsiones publicadas anteriormente, que estimaban el n\u00famero de problemas explotados en aproximadamente el 1.4%.<\/p>\n

No se encontr\u00f3 correlaci\u00f3n entre la publicaci\u00f3n de prototipos de exploits en acceso p\u00fablico y los intentos de explotaci\u00f3n de vulnerabilidades. De todos los hechos de explotaci\u00f3n de vulnerabilidades conocidos por los investigadores, solo en la mitad de los casos se hab\u00eda publicado un prototipo de exploit en fuentes abiertas. La falta de un prototipo de exploit no detiene a los atacantes, quienes crean exploits por su cuenta cuando es necesario.<\/p>\n

De otras conclusiones, se puede notar que hay una alta demanda para la explotaci\u00f3n principalmente de vulnerabilidades que tienen un alto nivel de peligrosidad seg\u00fan la clasificaci\u00f3n CVSS. En casi la mitad de los ataques se utilizaron vulnerabilidades con un peso de al menos 9. <\/p>\n

El n\u00famero total de prototipos de exploits publicados durante el per\u00edodo considerado se estima en 9,726. Los datos utilizados en el estudio sobre exploits se obtuvieron de
\ncolecciones de Exploit DB, Metasploit, D2 Security’s Elliot Kit, Canvas Exploitation Framework, Contagio, Reversing Labs y Secureworks CTU.
\nLa informaci\u00f3n sobre vulnerabilidades se obtuvo de la base de datos NIST NVD<\/a><\/noindex> (National Vulnerability Database). La informaci\u00f3n sobre los hechos de explotaci\u00f3n se ha resumido con base en datos de FortiGuard Labs, SANS Internet Storm Center, Secureworks CTU, OSSIM de Alienvault y ReversingLabs.<\/p>\n

La investigaci\u00f3n se llev\u00f3 a cabo con el objetivo de determinar el equilibrio \u00f3ptimo entre la aplicaci\u00f3n de actualizaciones al identificar cualquier vulnerabilidad y la correcci\u00f3n de solo los problemas m\u00e1s peligrosos. En el primer caso, se asegura una alta eficacia en la protecci\u00f3n, pero se requieren grandes recursos para el mantenimiento de la infraestructura, que se consumen principalmente en la correcci\u00f3n de problemas insignificantes. En el segundo caso, existe un gran riesgo de pasar por alto una vulnerabilidad que podr\u00eda ser utilizada para un ataque. La investigaci\u00f3n mostr\u00f3 que al tomar decisiones sobre la instalaci\u00f3n de actualizaciones que corrigen vulnerabilidades, no se debe confiar en la ausencia de un prototipo de exploit publicado, y la probabilidad de explotaci\u00f3n depende directamente del nivel de peligro de la vulnerabilidad.<\/p>\n

<\/a><\/noindex><\/p>\n

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

\u0413\u0440\u0443\u043f\u043f\u0430 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u0438\u0437 \u041f\u043e\u043b\u0438\u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0438\u0442\u0435\u0442\u0430 \u0412\u0438\u0440\u0433\u0438\u043d\u0438\u0438, \u0430 \u0442\u0430\u043a\u0436\u0435 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0439 Cyentia \u0438 RAND, \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u0430\u043d\u0430\u043b\u0438\u0437\u0430 \u0440\u0438\u0441\u043a\u043e\u0432 \u043f\u0440\u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0438 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u0441\u0442\u0440\u0430\u0442\u0435\u0433\u0438\u0439 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439. \u0418\u0437\u0443\u0447\u0438\u0432 76 \u0442\u044b\u0441\u044f\u0447 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u043d\u0430\u0439\u0434\u0435\u043d\u043d\u044b\u0445 \u0441 2009 \u043f\u043e 2018 \u0433\u043e\u0434, \u0431\u044b\u043b\u043e \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u043e, \u0447\u0442\u043e \u0442\u043e\u043b\u044c\u043a\u043e 4183 \u0438\u0437 \u043d\u0438\u0445 (5.5%) \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u043b\u0438\u0441\u044c \u0434\u043b\u044f \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u0435\u043d\u0438\u044f \u0440\u0435\u0430\u043b\u044c\u043d\u044b\u0445 \u0430\u0442\u0430\u043a. \u041f\u043e\u043b\u0443\u0447\u0435\u043d\u043d\u044b\u0439 \u043f\u043e\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044c \u0432 \u043f\u044f\u0442\u044c \u0440\u0430\u0437 \u043f\u0440\u0435\u0432\u044b\u0448\u0430\u0435\u0442 \u0440\u0430\u043d\u0435\u0435 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