{"id":105610,"date":"2022-11-17T15:36:49","date_gmt":"2022-11-17T13:36:49","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/kriticheskie-uyazvimosti-v-netatalk-privodyashhie-k-udalyonnomu-vypolneniyu-koda"},"modified":"2022-11-17T15:36:49","modified_gmt":"2022-11-17T13:36:49","slug":"kriticheskie-uyazvimosti-v-netatalk-privodyashhie-k-udalyonnomu-vypolneniyu-koda","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/kriticheskie-uyazvimosti-v-netatalk-privodyashhie-k-udalyonnomu-vypolneniyu-koda","title":{"rendered":"Vulnerabilidades cr\u00edticas en Netatalk que conducen a la ejecuci\u00f3n remota de c\u00f3digo","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>En Netatalk, un servidor que implementa los protocolos de red AppleTalk y el Apple Filing Protocol (AFP), se han identificado seis vulnerabilidades explotables remotamente que permiten ejecutar c\u00f3digo propio con privilegios de root mediante el env\u00edo de paquetes espec\u00edficamente dise\u00f1ados. Netatalk es utilizado por muchos fabricantes de dispositivos de almacenamiento en red (NAS) para facilitar el intercambio de archivos y el acceso a impresoras desde computadoras Apple, por ejemplo, se us\u00f3 en dispositivos de Western Digital (el problema se resolvi\u00f3 eliminando Netatalk de los firmware de WD). Netatalk tambi\u00e9n est\u00e1 incluido en muchas distribuciones, incluyendo OpenWRT (eliminado desde la rama OpenWrt 22.03), Debian, Ubuntu, SUSE, Fedora y FreeBSD, aunque no se utiliza por defecto. Los problemas se han solucionado en la versi\u00f3n Netatalk 3.1.13.    <\/p>\n<p>Problemas identificados:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2022-0194 \u2014 falta de una verificaci\u00f3n adecuada del tama\u00f1o de los datos externos en la funci\u00f3n ad_addcomment(), antes de copiar en un b\u00fafer fijo. Esta vulnerabilidad permite que un atacante remoto, sin necesidad de autenticaci\u00f3n, ejecute su c\u00f3digo con privilegios de root.\n<li class=\"l\"> CVE-2022-23121 \u2014 manejo incorrecto de errores en la funci\u00f3n parse_entries(), que ocurren al analizar entradas AppleDouble. Esta vulnerabilidad permite que un atacante remoto, sin necesidad de autenticaci\u00f3n, ejecute su c\u00f3digo con privilegios de root.\n<li class=\"l\"> CVE-2022-23122 \u2014 falta de una verificaci\u00f3n adecuada del tama\u00f1o de los datos externos en la funci\u00f3n setfilparams(), antes de copiarlos en un b\u00fafer fijo. Esta vulnerabilidad permite que un atacante remoto, sin necesidad de autenticaci\u00f3n, ejecute su c\u00f3digo con privilegios de root.\n<li class=\"l\"> CVE-2022-23124 \u2014 falta de una verificaci\u00f3n adecuada de los datos de entrada en el m\u00e9todo get_finderinfo(), lo que lleva a la lectura fuera del \u00e1rea del b\u00fafer asignado. Esta vulnerabilidad permite que un atacante remoto, sin necesidad de autenticaci\u00f3n, filtre informaci\u00f3n de la memoria del proceso. Combinada con otras vulnerabilidades, podr\u00eda utilizarse para ejecutar c\u00f3digo con privilegios de root.\n<li class=\"l\"> CVE-2022-23125 \u2014 falta de verificaci\u00f3n del tama\u00f1o al analizar el elemento \u00ablen\u00bb en la funci\u00f3n copyapplfile(), antes de copiar los datos en un b\u00fafer fijo. Esta vulnerabilidad permite que un atacante remoto, sin necesidad de autenticaci\u00f3n, ejecute su c\u00f3digo con privilegios de root.\n<li class=\"l\"> CVE-2022-23123 \u2014 falta de verificaci\u00f3n de los datos que provienen del exterior en el m\u00e9todo getdirparams(), lo que lleva a la lectura fuera del \u00e1rea del b\u00fafer asignado. Esta vulnerabilidad permite que un atacante remoto, sin necesidad de autenticaci\u00f3n, filtre informaci\u00f3n de la memoria del proceso.       <\/ul>\n<p>Fuente: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=58129\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 Netatalk, \u0441\u0435\u0440\u0432\u0435\u0440\u0435 \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432 AppleTalk \u0438 Apple Filing Protocol (AFP), \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u043e \u0448\u0435\u0441\u0442\u044c \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0438\u0440\u0443\u0435\u043c\u044b\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0445 \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0441\u0432\u043e\u0435\u0433\u043e \u043a\u043e\u0434\u0430 \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 root \u0447\u0435\u0440\u0435\u0437 \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0443 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u044b\u0445 \u043f\u0430\u043a\u0435\u0442\u043e\u0432. Netatalk \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u043c\u043d\u043e\u0433\u0438\u043c\u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f\u043c\u0438 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432 \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445 (NAS) \u0434\u043b\u044f \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f \u043e\u0431\u043c\u0435\u043d\u0430 \u0444\u0430\u0439\u043b\u0430\u043c\u0438 \u0438 \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a \u043f\u0440\u0438\u043d\u0442\u0435\u0440\u0430\u043c c \u043a\u043e\u043c\u043f\u044c\u044e\u0442\u0435\u0440\u043e\u0432 Apple, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u043b\u0441\u044f \u0432 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430\u0445 [&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-105610","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 Netatalk, \u0441\u0435\u0440\u0432\u0435\u0440\u0435 \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432 AppleTalk \u0438 Apple Filing Protocol (AFP), \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u043e \u0448\u0435\u0441\u0442\u044c \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e 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