{"id":121349,"date":"2025-01-15T15:46:07","date_gmt":"2025-01-15T13:46:07","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-git-s-ustraneniem-uyazvimostej"},"modified":"2025-01-15T15:46:07","modified_gmt":"2025-01-15T13:46:07","slug":"obnovlenie-git-s-ustraneniem-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/obnovlenie-git-s-ustraneniem-uyazvimostej","title":{"rendered":"Actualizaci\u00f3n de Git que corrige vulnerabilidades","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Se han publicado versiones corregidas del sistema de control de versiones distribuido Git 2.41.3, 2.42.4, 2.43.6, 2.44.3, 2.45.3, 2.46.3, v2.47.2 y 2.48.1, que solucionan dos vulnerabilidades:    <\/p>\n<ul>\n<li class=\"l\"> CVE-2024-50349 \u2014 posibilidad de suplantar informaci\u00f3n en una solicitud interactiva de contrase\u00f1a para un repositorio. El problema se debe a la falta de una adecuada verificaci\u00f3n del nombre del host, donde se permit\u00eda la codificaci\u00f3n de caracteres en formato %xx (URL Encoding). Un atacante podr\u00eda utilizar la codificaci\u00f3n porcentual para a\u00f1adir secuencias de escape al nombre del host, manipulando la salida en la terminal.\n<p>De esta manera, se puede sustituir el texto de la invitaci\u00f3n a la autenticaci\u00f3n y crear en el usuario la sensaci\u00f3n de que se est\u00e1 accediendo a otro repositorio, para que al intentar acceder al repositorio del atacante, el usuario introduzca el nombre de usuario y la contrase\u00f1a de otro host. El ataque puede llevarse a cabo al realizar una clonaci\u00f3n recursiva de subm\u00f3dulos con el comando \u00abgit clone \u2014recurse-submodules\u00bb, donde uno de los subm\u00f3dulos puede solicitar la contrase\u00f1a de otro host, pero la entrada se enviar\u00e1 al host del repositorio del atacante.      <\/p>\n<li class=\"l\"> CVE-2024-52006 \u2014 en la implementaci\u00f3n del protocolo \u00abcredential helper\u00bb, utilizado para transmitir credenciales al acceder a repositorios restringidos, se ha identificado una deficiencia que permite insertar un retorno de carro en los datos mediante la especificaci\u00f3n de una URL especialmente formada. Dado que el protocolo manipula datos l\u00ednea por l\u00ednea, a\u00f1adir un retorno de carro podr\u00eda usarse para dividir bloques de datos y organizar la transmisi\u00f3n de la contrase\u00f1a incorrecta. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/es\/server\/\"   title=\"servidor\" data-wpil-keyword-link=\"linked\">servidor<\/a>La posibilidad de llevar a cabo un ataque depende de la interpretaci\u00f3n del car\u00e1cter de retorno de carro como un separador de l\u00edneas en varias implementaciones del protocolo \u00abcredential helper\u00bb. Por ejemplo, el Git Credential Manager, escrito en C#\/.NET, es susceptible a este problema.    <\/ul>\n<p>A los usuarios que no pueden actualizar Git se les recomienda abstenerse de acceder a repositorios externos no verificados mediante el comando \u00abgit clone\u00bb con la opci\u00f3n \u00ab\u2014recurse-submodules\u00bb, as\u00ed como evitar el uso de manejadores de credenciales al clonar repositorios p\u00fablicos. Adem\u00e1s de Git, se han lanzado correcciones para bloquear estas vulnerabilidades para GitHub Desktop (CVE-2025-23040), Git LFS (CVE-2024-53263) y Git Credential Manager (CVE-2024-50338).<br \/>\n<br \/>Fuente: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62561\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u0432\u044b\u043f\u0443\u0441\u043a\u0438 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u043c \u043a\u043e\u0434\u043e\u043c Git 2.41.3, 2.42.4, 2.43.6, 2.44.3, 2.45.3, 2.46.3, v2.47.2 \u0438 2.48.1, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0434\u0432\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438: CVE-2024-50349 &#8212; \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043f\u043e\u0434\u043c\u0435\u043d\u044b \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 \u0432 \u0438\u043d\u0442\u0435\u0440\u0430\u043a\u0442\u0438\u0432\u043d\u043e\u043c \u0437\u0430\u043f\u0440\u043e\u0441\u0435 \u043f\u0430\u0440\u043e\u043b\u044f \u043a \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u0438\u0440\u0438\u044e. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0435\u043c \u0434\u043e\u043b\u0436\u043d\u043e\u0439 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u0438\u043c\u0435\u043d\u0438 \u0445\u043e\u0441\u0442\u0430, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0434\u043e\u043f\u0443\u0441\u043a\u0430\u043b\u043e\u0441\u044c \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u0438\u043c\u0432\u043e\u043b\u043e\u0432 \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 %xx (URL Encoding). \u0410\u0442\u0430\u043a\u0443\u044e\u0449\u0438\u0439 \u043c\u043e\u0433 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043f\u0440\u043e\u0446\u0435\u043d\u0442\u043d\u043e\u0435 [&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-121349","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\" 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