{"id":112973,"date":"2024-01-18T11:28:03","date_gmt":"2024-01-18T09:28:03","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-x-org-server-21-1-11-s-ustraneniem-6-uyazvimostej"},"modified":"2024-01-18T11:28:03","modified_gmt":"2024-01-18T09:28:03","slug":"obnovlenie-x-org-server-21-1-11-s-ustraneniem-6-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/obnovlenie-x-org-server-21-1-11-s-ustraneniem-6-uyazvimostej","title":{"rendered":"Actualizaci\u00f3n de X.Org Server 21.1.11 corrigiendo 6 vulnerabilidades","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Se han publicado versiones corregidas de X.Org Server 21.1.11 y del componente DDX (Device-Dependent X) xwayland 23.2.4, que permite ejecutar X.Org Server para facilitar la operaci\u00f3n de aplicaciones X11 en entornos basados en Wayland. En estas nuevas versiones se han solucionado 6 vulnerabilidades, algunas de las cuales podr\u00edan ser explotadas para elevar privilegios en sistemas donde el servidor X se ejecuta con derechos de root, as\u00ed como para ejecutar c\u00f3digo de forma remota en configuraciones donde se utiliza la redirecci\u00f3n de la sesi\u00f3n X11 a trav\u00e9s de SSH.     <\/p>\n<p>Problemas identificados:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2023-6816 \u2014 desbordamiento de b\u00fafer que ocurre al pasar un \u00edndice de matriz incorrecto en las operaciones DeviceFocusEvent y ProcXIQueryPointer. La vulnerabilidad se debe a que el servidor X asigna memoria para la matriz considerando el n\u00famero real de botones, mientras que la solicitud permite utilizar valores de hasta 255 en la matriz. El problema se manifiesta a partir de la versi\u00f3n xorg-server-1.13.0 (a\u00f1o 2012).\n<li class=\"l\"> CVE-2024-0229 \u2014 escritura fuera de los l\u00edmites del b\u00fafer a trav\u00e9s de la reatadura a otro dispositivo maestro en una configuraci\u00f3n en la que el dispositivo est\u00e1 equipado al mismo tiempo con elementos de entrada de clase \u00abbot\u00f3n\u00bb (button) y \u00abtecla\u00bb (key), y donde el n\u00famero de botones (par\u00e1metro numButtons) se establece en 0. El problema se manifiesta a partir de la versi\u00f3n xorg-server-1.1.1 (a\u00f1o 2006).\n<li class=\"l\"> CVE-2024-21885 \u2014 desbordamiento de b\u00fafer en la funci\u00f3n XISendDeviceHierarchyEvent, que ocurre al eliminar un dispositivo con un identificador dado y agregar un dispositivo con el mismo identificador dentro de una misma solicitud. La vulnerabilidad se debe a que, en una operaci\u00f3n doble para un mismo identificador, se escriben dos instancias de la estructura xXIHierarchyInfo, mientras que la funci\u00f3n XISendDeviceHierarchyEvent asigna memoria para una sola instancia. El problema se manifiesta a partir de la versi\u00f3n xorg-server-1.10.0 (a\u00f1o 2010).\n<li class=\"l\"> CVE-2024-21886 \u2014 desbordamiento de b\u00fafer en la funci\u00f3n DisableDevice, que ocurre al desconectar un dispositivo maestro mientras ya est\u00e1n desconectados los dispositivos esclavos. La vulnerabilidad se debe a un c\u00e1lculo incorrecto del tama\u00f1o de la estructura para almacenar la lista de dispositivos. El problema se manifiesta a partir de la versi\u00f3n xorg-server-1.13.0 (a\u00f1o 2012).\n<li class=\"l\">  CVE-2024-0409, CVE-2024-0408 \u2014 corrupci\u00f3n del contexto SELinux al habilitar xserver_object_manager y al iniciar un cliente o crear un GLX PBuffer.         <\/ul>\n<p>Fuente: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60456\">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 X.Org Server 21.1.11 \u0438 DDX-\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0430 (Device-Dependent X) xwayland 23.2.4, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0437\u0430\u043f\u0443\u0441\u043a X.Org Server \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f X11-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u0432 \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u044f\u0445 \u043d\u0430 \u0431\u0430\u0437\u0435 Wayland. \u0412 \u043d\u043e\u0432\u044b\u0445 \u0432\u0435\u0440\u0441\u0438\u044f\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e 6 \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 \u043c\u043e\u0433\u0443\u0442 \u0431\u044b\u0442\u044c \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u044b \u0434\u043b\u044f \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u044f \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0439 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 X-\u0441\u0435\u0440\u0432\u0435\u0440 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442\u0441\u044f \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 root, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0434\u043b\u044f \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e\u0433\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043a\u043e\u0434\u0430 [&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-112973","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 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