{"id":105304,"date":"2022-10-13T21:36:48","date_gmt":"2022-10-13T19:36:48","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimosti-v-besprovodnom-steke-yadra-linux-dopuskayushhie-udalyonnoe-vypolnenie-koda"},"modified":"2022-10-13T21:36:48","modified_gmt":"2022-10-13T19:36:48","slug":"uyazvimosti-v-besprovodnom-steke-yadra-linux-dopuskayushhie-udalyonnoe-vypolnenie-koda","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/uyazvimosti-v-besprovodnom-steke-yadra-linux-dopuskayushhie-udalyonnoe-vypolnenie-koda","title":{"rendered":"Vulnerabilidades en la pila inal\u00e1mbrica del n\u00facleo de Linux que permiten la ejecuci\u00f3n remota de c\u00f3digo.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Se ha identificado una serie de vulnerabilidades en la pila inal\u00e1mbrica (mac80211) del n\u00facleo de Linux, algunas de las cuales pueden permitir un desbordamiento de b\u00fafer y la ejecuci\u00f3n remota de c\u00f3digo a trav\u00e9s del env\u00edo de paquetes especialmente formateados por un punto de acceso. La soluci\u00f3n est\u00e1 disponible solo en forma de un parche por el momento.     <\/p>\n<p>Para demostrar la posibilidad de realizar un ataque, se han publicado ejemplos de tramas que provocan desbordamientos, as\u00ed como una herramienta para inyectar estas tramas en la pila inal\u00e1mbrica 802.11. Las vulnerabilidades no dependen de los controladores inal\u00e1mbricos utilizados. Se supone que los problemas identificados pueden ser utilizados para crear exploits funcionales para ataques remotos a sistemas.  <\/p>\n<ul>\n<li class=\"l\"> CVE-2022-41674 \u2014 desbordamiento de b\u00fafer en la funci\u00f3n cfg80211_update_notlisted_nontrans, que permite sobrescribir hasta 256 bytes en la memoria din\u00e1mica. La vulnerabilidad se manifiesta a partir del n\u00facleo de Linux 5.1 y puede ser utilizada para la ejecuci\u00f3n remota de c\u00f3digo.\n<li class=\"l\"> CVE-2022-42719 \u2014 acceso a una regi\u00f3n de memoria ya liberada (use-after-free) en el c\u00f3digo de an\u00e1lisis de MBSSID. La vulnerabilidad se manifiesta a partir del n\u00facleo de Linux 5.2 y puede ser utilizada para la ejecuci\u00f3n remota de c\u00f3digo.\n<li class=\"l\"> CVE-2022-42720 \u2014 acceso a una regi\u00f3n de memoria ya liberada (use-after-free) en el c\u00f3digo de conteo de referencias en modo BSS (Basic Service Set). La vulnerabilidad se manifiesta a partir del n\u00facleo de Linux 5.1 y puede ser utilizada para la ejecuci\u00f3n remota de c\u00f3digo.\n<li class=\"l\"> CVE-2022-42721 \u2014 corrupci\u00f3n de la lista BSS, lo que lleva a un bucle infinito. La vulnerabilidad se manifiesta a partir del n\u00facleo de Linux 5.1 y puede ser utilizada para provocar una denegaci\u00f3n de servicio.\n<li class=\"l\"> CVE-2022-42722 \u2014 desreferencia de un puntero nulo en el c\u00f3digo de protecci\u00f3n de tramas beacon. El problema puede ser utilizado para provocar una denegaci\u00f3n de servicio.  <\/ul>\n<p>Fuente: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57916\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u0431\u0435\u0441\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u043e\u043c \u0441\u0442\u0435\u043a\u0435 (mac80211) \u044f\u0434\u0440\u0430 Linux \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430, \u0441\u0435\u0440\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f 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[&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-105304","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\" content=\"\u0412 \u0431\u0435\u0441\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u043e\u043c \u0441\u0442\u0435\u043a\u0435 (mac80211) \u044f\u0434\u0440\u0430 Linux \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430, \u0441\u0435\u0440\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e 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