{"id":138857,"date":"2025-07-08T23:12:03","date_gmt":"2025-07-08T21:12:03","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimosti-v-git-dopuskayushhie-vypolnenie-koda-pri-obrashhenii-k-vneshnemu-repozitoriyu"},"modified":"2025-07-08T23:12:03","modified_gmt":"2025-07-08T21:12:03","slug":"uyazvimosti-v-git-dopuskayushhie-vypolnenie-koda-pri-obrashhenii-k-vneshnemu-repozitoriyu","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/uyazvimosti-v-git-dopuskayushhie-vypolnenie-koda-pri-obrashhenii-k-vneshnemu-repozitoriyu","title":{"rendered":"Vulnerabilidades en Git que permiten la ejecuci\u00f3n de c\u00f3digo al acceder a un repositorio externo","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Se han publicado actualizaciones correctivas para la sistema de control de versiones distribuido Git 2.43.7, 2.44.4, 2.45.4, 2.46.4, 2.47.3, 2.48.2, 2.49.1 y 2.50.1, que solucionan vulnerabilidades que pueden permitir la ejecuci\u00f3n de c\u00f3digo en el sistema del usuario al clonar un repositorio controlado por el atacante.      <\/p>\n<ul>\n<li class=\"l\"> CVE-2025-48384 \u2014 la vulnerabilidad se debe a que, al leer los valores de configuraci\u00f3n de Git, se eliminan los caracteres finales de salto de l\u00ednea (LF) y retorno de carro (CR), pero al escribir valores en el archivo de configuraci\u00f3n no se escapa el car\u00e1cter de retorno de carro. Un atacante puede especificar, al inicializar un subm\u00f3dulo, una ruta que termine con el car\u00e1cter de retorno de carro (los sistemas de archivos en sistemas operativos tipo Unix permiten el uso de caracteres especiales en los nombres de archivos y directorios).\n<p>La eliminaci\u00f3n del car\u00e1cter de retorno de carro al leer la configuraci\u00f3n provocar\u00e1 que el subm\u00f3dulo se extraiga en una ruta incorrecta. El atacante puede colocar en esta ruta incorrecta un enlace simb\u00f3lico que apunte a un directorio con git hooks y colocar en \u00e9l un controlador que se ejecute despu\u00e9s de finalizar la operaci\u00f3n de checkout. Ejecutar el comando \u00abgit clone \u2014recursive\u00bb en un repositorio con un subm\u00f3dulo as\u00ed provocar\u00e1 la ejecuci\u00f3n del c\u00f3digo proporcionado por el atacante.      <\/p>\n<li class=\"l\"> CVE-2025-48385 \u2014 verificaci\u00f3n insuficiente del lado del cliente de los archivos bundle entregados <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/es\/server\/dts-prohoster\/\"   title=\"el servidor\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3105\">el servidor<\/a> durante la clonaci\u00f3n del repositorio y que se utilizan para la transmisi\u00f3n de parte de los datos a trav\u00e9s de sistemas de entrega de contenido (CDN). Un atacante que controle el servidor Git puede hacer que el cliente descargue un archivo de paquete dise\u00f1ado espec\u00edficamente, que tras la extracci\u00f3n se guardar\u00e1 en una ubicaci\u00f3n arbitraria en el sistema de archivos.\n<li class=\"l\"> CVE-2025-48386 \u2014 vulnerabilidad espec\u00edfica de la plataforma Windows provocada por un desbordamiento de b\u00fafer en el manejador Wincred, utilizado para almacenar credenciales en el Administrador de Credenciales de Windows.     <\/ul>\n<p>Adem\u00e1s, se han corregido cuatro vulnerabilidades en las interfaces gr\u00e1ficas de Gitk y Git GUI, escritas en Tcl\/Tk:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2025-27613 \u2014 abrir un repositorio debidamente confeccionado en Gitk puede llevar a la sobrescritura de archivos arbitrarios en el sistema de archivos.\n<li class=\"l\"> CVE-2025-27614 \u2014 ejecutar \u00abgitk filename\u00bb en un repositorio especialmente dise\u00f1ado puede resultar en la ejecuci\u00f3n de un script preparado por un atacante.\n<li class=\"l\"> CVE-2025-46334 \u2014 en Git GUI en Windows se puede organizar la ejecuci\u00f3n de c\u00f3digo del atacante al realizar acciones por parte del usuario como \u00abGit Bash\u00bb o \u00abBrowse Files\u00bb con un repositorio en el que el atacante ha colocado archivos ejecutables t\u00edpicos, como sh.exe, astextplain.exe, exif.exe y ps2ascii.exe, que son llamados durante el funcionamiento de Git GUI.\n<li class=\"l\"> CVE-2025-46335 \u2014 posibilidad de crear o sobrescribir un archivo arbitrario en el sistema de archivos al editar en Git GUI un archivo de un directorio con un nombre especialmente dise\u00f1ado, extra\u00eddo de un repositorio preparado por un atacante.    <\/ul>\n<p>Fuente: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=63552\">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\u0438 \u0442\u0435\u043a\u0441\u0442\u0430\u043c\u0438 Git 2.43.7, 2.44.4, 2.45.4, 2.46.4, 2.47.3, 2.48.2, 2.49.1 \u0438 2.50.1, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u0441\u0432\u043e\u0439 \u043a\u043e\u0434 \u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u043f\u0440\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u043a\u043b\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u044f, \u043f\u043e\u0434\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044c\u043d\u043e\u0433\u043e \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0435\u043c\u0443. CVE-2025-48384 &#8212; \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u0442\u0435\u043c, \u0447\u0442\u043e \u043f\u0440\u0438 \u0447\u0442\u0435\u043d\u0438\u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u043e\u0432 \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u0438 Git \u043e\u0447\u0438\u0449\u0430\u0435\u0442 \u0443\u043a\u0430\u0437\u0430\u043d\u043d\u044b\u0435 \u0432 \u043a\u043e\u043d\u0446\u0435 \u0441\u0438\u043c\u0432\u043e\u043b\u044b \u043f\u0435\u0440\u0435\u0432\u043e\u0434\u0430 \u0441\u0442\u0440\u043e\u043a\u0438 [&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-138857","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=\"\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\u0438 \u0442\u0435\u043a\u0441\u0442\u0430\u043c\u0438 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2.43.7, 2.44.4, 2.45.4, 2.46.4, 2.47.3, 2.48.2, 2.49.1 y 2.50.1, que resuelven las vulnerabilidades que permiten la ejecuci\u00f3n de c\u00f3digo.","canonical_url":"https:\/\/prohoster.info\/es\/blog\/news\/uyazvimosti-v-git-dopuskayushhie-vypolnenie-koda-pri-obrashhenii-k-vneshnemu-repozitoriyu","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"es_ES","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 Git, \u0434\u043e\u043f\u0443\u0441\u043a\u0430\u044e\u0449\u0438\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 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