{"id":119766,"date":"2024-09-12T03:43:01","date_gmt":"2024-09-12T01:43:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/popytka-polucheniya-tls-sertifikatov-dlya-chuzhih-domenov-mobi-ispolzuya-prosrochennyj-domen-s-whois-servisom"},"modified":"2024-09-12T03:43:01","modified_gmt":"2024-09-12T01:43:01","slug":"popytka-polucheniya-tls-sertifikatov-dlya-chuzhih-domenov-mobi-ispolzuya-prosrochennyj-domen-s-whois-servisom","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/popytka-polucheniya-tls-sertifikatov-dlya-chuzhih-domenov-mobi-ispolzuya-prosrochennyj-domen-s-whois-servisom","title":{"rendered":"Intento de obtener certificados TLS para dominios ajenos .mobi, utilizando un dominio caducado con un servicio WHOIS.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Investigadores de watchTowr Labs publicaron los resultados de un experimento sobre la captura del antiguo servicio WHOIS del registrador del dominio .MOBI. La raz\u00f3n del estudio fue que el registrador cambi\u00f3 la direcci\u00f3n del servicio WHOIS, movi\u00e9ndolo del dominio whois.dotmobiregistry.net a un nuevo host whois.nic.mobi. Con esto, el dominio dotmobiregistry.net dej\u00f3 de usarse y en diciembre de 2023 fue liberado y se volvi\u00f3 disponible para registro.    <\/p>\n<p>Los investigadores gastaron 20 d\u00f3lares y compraron este dominio, tras lo cual lanzaron su propio servicio WHOIS ficticio whois.dotmobiregistry.net en su servidor. La sorpresa fue que muchos sistemas no cambiaron al nuevo host whois.nic.mobi y continuaron utilizando el antiguo nombre. Desde el 30 de agosto hasta el 4 de septiembre de este a\u00f1o, se registraron 2.5 millones de consultas al antiguo nombre, enviadas desde m\u00e1s de 135,000 sistemas \u00fanicos.     <\/p>\n<p>Entre los remitentes de las consultas se encontraban correos <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/es\/server\/\"   title=\"servidores\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1970\">servidores<\/a> de organizaciones gubernamentales y militares, que verificaban los dominios figurantes en el correo electr\u00f3nico a trav\u00e9s de WHOIS, as\u00ed como empresas y plataformas especializadas en seguridad (VirusTotal, Group-IB), entidades certificadoras, servicios de verificaci\u00f3n de dominios, servicios SEO y registradores de dominios (por ejemplo, domain.com, godaddy.com, who.is, whois.ru, smallseo.tools, seocheki.net, centralops.net, name.com, urlscan.io y webchart.org).      <\/p>\n<p>La posibilidad de enviar cualquier dato en respuesta a una consulta al antiguo servicio WHOIS del dominio .MOBI fue utilizada para desarrollar varios tipos de ataques a los solicitantes de consultas. La primera variante del ataque se bas\u00f3 en la suposici\u00f3n de que si alguien sigue enviando consultas a un servicio que ha sido reemplazado hace mucho tiempo, es probable que lo haga utilizando herramientas antiguas que contienen vulnerabilidades.     <\/p>\n<p>Por ejemplo, en phpWHOIS en 2015 se descubri\u00f3 una vulnerabilidad CVE-2015-5243, que permite la ejecuci\u00f3n de c\u00f3digo del atacante al procesar datos especialmente formateados devueltos por el servidor WHOIS. Otro ejemplo es la vulnerabilidad CVE-2021-32749 que se descubri\u00f3 en 2021 en el paquete Fail2Ban, que permite ejecutar c\u00f3digo externo al devolver datos incorrectos desde el servicio WHOIS utilizado en el proceso de formaci\u00f3n de alertas de bloqueo (Fail2Ban identificaba, a trav\u00e9s de WHOIS, el correo electr\u00f3nico del administrador del host y lo mostraba al ejecutar el comando mail sin la debida programaci\u00f3n de caracteres especiales).    <\/p>\n<p>El segundo ataque se basa en que algunos centros de certificaci\u00f3n ofrecen la posibilidad de verificar la propiedad del dominio a trav\u00e9s del correo electr\u00f3nico indicado en la base de datos del registrador del dominio, accesible a trav\u00e9s del protocolo WHOIS. Result\u00f3 que varios centros de certificaci\u00f3n que utilizan este m\u00e9todo de verificaci\u00f3n contin\u00faan utilizando el antiguo servidor WHOIS para el dominio .MOBI.     <\/p>\n<p>As\u00ed, al obtener el control sobre el nombre whois.dotmobiregistry.net, los atacantes pueden devolver sus datos, realizar la verificaci\u00f3n y obtener <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/es\/ssl-sertifikat\/\"   title=\"certificado TLS\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"946\">certificado TLS<\/a> para cualquier dominio en la zona .MOBI. Por ejemplo, durante el experimento, los investigadores solicitaron al registrador GlobalSign un certificado TLS para el dominio microsoft.mobi y el correo electr\u00f3nico ficticio devuelto por el servicio WHOIS fue mostrado en la interfaz como disponible para el env\u00edo del c\u00f3digo de confirmaci\u00f3n de propiedad del dominio.       <center><img decoding=\"async\" alt=\"Intento de obtener certificados TLS para dominios ajenos .mobi, utilizando un dominio caducado con un servicio WHOIS.\" src=\"\/wp-content\/uploads\/2024\/09\/2f642bc104438ee5f0885721eea42ac5.png\" style=\"display:block;margin: 0 auto;\" \/><\/center><br \/>\n<br \/>Fuente: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61849\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u0438\u0437 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WHOIS-\u0441\u0435\u0440\u0432\u0438\u0441\u0430, \u043f\u0435\u0440\u0435\u043c\u0435\u0441\u0442\u0438\u0432 \u0435\u0433\u043e \u0441 \u0434\u043e\u043c\u0435\u043d\u0430 whois.dotmobiregistry.net \u043d\u0430 \u043d\u043e\u0432\u044b\u0439 \u0445\u043e\u0441\u0442 whois.nic.mobi. \u041f\u0440\u0438 \u044d\u0442\u043e\u043c \u0434\u043e\u043c\u0435\u043d dotmobiregistry.net \u043f\u0435\u0440\u0435\u0441\u0442\u0430\u043b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0438 \u0432 \u0434\u0435\u043a\u0430\u0431\u0440\u0435 2023 \u0433\u043e\u0434\u0430 \u0431\u044b\u043b \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0451\u043d \u0438 \u0441\u0442\u0430\u043b \u0434\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0434\u043b\u044f \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0430\u0446\u0438\u0438. \u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u043f\u043e\u0442\u0440\u0430\u0442\u0438\u043b\u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":119767,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-119766","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=\"\u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 watchTowr Labs \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0438 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430 \u0441 \u0437\u0430\u0445\u0432\u0430\u0442\u043e\u043c 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