{"id":111788,"date":"2023-11-27T15:10:15","date_gmt":"2023-11-27T13:10:15","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimosti-v-perl-owncloud-gstreamer-i-zephyr-rtos"},"modified":"2023-11-27T15:10:15","modified_gmt":"2023-11-27T13:10:15","slug":"uyazvimosti-v-perl-owncloud-gstreamer-i-zephyr-rtos","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/uyazvimosti-v-perl-owncloud-gstreamer-i-zephyr-rtos","title":{"rendered":"Vulnerabilidades en Perl, ownCloud, GStreamer y Zephyr RTOS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Vulnerabilidades recientemente descubiertas:  <\/p>\n<ul>\n<li class=\"l\"> En la publicaci\u00f3n de correcci\u00f3n Perl 5.38.1 se ha solucionado una vulnerabilidad (CVE-2023-47038) que puede provocar la escritura de un byte m\u00e1s all\u00e1 del b\u00fafer asignado al procesar expresiones regulares compiladas con una propiedad interna de Unicode mal redefinida cuyo nombre comienza con &#171;utf8::perl&#187;. El problema se manifiesta a partir de la rama Perl 5.30.\n<p>Adem\u00e1s, en Perl 5.38.1 se ha solucionado una vulnerabilidad espec\u00edfica de la plataforma Windows (CVE-2023-47039) que permite ejecutar su c\u00f3digo al iniciar scripts si hay un archivo cmd.exe en el directorio actual (debido a la falta de limpieza de rutas para buscar archivos ejecutables, Perl intenta primero ejecutar cmd.exe en el directorio actual). Por ejemplo, un atacante podr\u00eda colocar su cmd.exe en el directorio C:&#092;ProgramData y elevar sus privilegios si un administrador ejecuta un script de Perl desde ese directorio.    <\/p>\n<li class=\"l\"> En la plataforma en la nube ownCloud, de la cual se separ\u00f3 el proyecto Nextcloud en 2016, se ha descubierto una vulnerabilidad (CVE-2023-49103) que afecta a la aplicaci\u00f3n graphapi, permitiendo acceder al contenido de variables de entorno que pueden contener la contrase\u00f1a del administrador, la clave de licencia y las credenciales de conexi\u00f3n al correo. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/es\/server\/dts-shicago\/\"   title=\"servidor\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2915\">servidor<\/a>El problema es causado por el uso en graphapi de una biblioteca de terceros, que incluye un manejador GetPhpInfo.php, el cual llama a la funci\u00f3n phpinfo(), en cuyo resultado aparecen las variables de entorno.\n<li class=\"l\"> En el marco multimedia GStreamer se han identificado dos vulnerabilidades: CVE-2023-44446 \u2014 acceso a la memoria despu\u00e9s de su liberaci\u00f3n (Use-After-Free) en el c\u00f3digo de an\u00e1lisis de archivos MXF; CVE-2023-44429 \u2014 desbordamiento de b\u00fafer en el c\u00f3digo de an\u00e1lisis del formato AV1. El primer problema se debe a la falta de verificaci\u00f3n del objeto antes de realizar operaciones con \u00e9l, mientras que el segundo se debe a la falta de verificaci\u00f3n del tama\u00f1o de los datos antes de copiarlos en un b\u00fafer fijo. Las vulnerabilidades pueden permitir la ejecuci\u00f3n de c\u00f3digo por parte de un atacante al intentar procesar archivos MXF y datos multimedia en formato AV1 especialmente dise\u00f1ados. Se observa que los vectores de ataque dependen de la implementaci\u00f3n de la aplicaci\u00f3n atacada. Las vulnerabilidades han sido clasificadas con un nivel de peligro de 8.8 sobre 10. Se han corregido en la versi\u00f3n GStreamer 1.22.7.\n<li class=\"l\"> En el sistema operativo de tiempo real Zephyr RTOS se han identificado 25 vulnerabilidades, la mayor\u00eda de las cuales podr\u00edan permitir la ejecuci\u00f3n de c\u00f3digo por parte de un atacante. Las vulnerabilidades son causadas por desbordamientos de b\u00fafer en el shell de WiFi, la pila de Bluetooth, el controlador IPM, la pila USB, el controlador IEEE 802.15.4, el subsistema Mgmt, el sistema de archivos, el controlador eS-WiFi y el subsistema CANbus. La mayor\u00eda de las vulnerabilidades se han solucionado en la versi\u00f3n Zephyr 3.5.0, pero un problema (CVE-2023-4261) sigue sin solucionarse (los detalles sobre esta vulnerabilidad no se publican hasta que se publique una correcci\u00f3n).    <\/ul>\n<p>Fuente: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60185\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043d\u0435\u0434\u0430\u0432\u043d\u043e \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u043d\u044b\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439: \u0412 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0435\u043c \u0432\u044b\u043f\u0443\u0441\u043a\u0435 Perl 5.38.1 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2023-47038), \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u0437\u0430\u043f\u0438\u0441\u0438 \u043e\u0434\u043d\u043e\u0433\u043e \u0431\u0430\u0439\u0442\u0430 \u0437\u0430 \u043f\u0440\u0435\u0434\u0435\u043b\u044b \u0432\u044b\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0431\u0443\u0444\u0435\u0440\u0430 \u043f\u0440\u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u0441\u043a\u043e\u043c\u043f\u0438\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0440\u0435\u0433\u0443\u043b\u044f\u0440\u043d\u044b\u0445 \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u0439 \u0441 \u043d\u0435\u043a\u043e\u0440\u0440\u0435\u043a\u0442\u043d\u043e \u043f\u043e\u0432\u0442\u043e\u0440\u043d\u043e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u044b\u043c \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0438\u043c Unicode-\u0441\u0432\u043e\u0439\u0441\u0442\u0432\u043e\u043c \u0441 \u0438\u043c\u0435\u043d\u0435\u043c, \u043d\u0430\u0447\u0438\u043d\u0430\u044e\u0449\u0438\u043c\u0441\u044f \u043d\u0430 &#171;utf8::perl&#187;. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 \u0432\u0435\u0442\u043a\u0438 Perl 5.30. \u041a\u0440\u043e\u043c\u0435 \u0442\u043e\u0433\u043e, \u0432 Perl 5.38.1 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u0447\u043d\u0430\u044f \u0434\u043b\u044f \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b [&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-111788","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=\"\u041d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043d\u0435\u0434\u0430\u0432\u043d\u043e \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u043d\u044b\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439: \u0412 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0435\u043c \u0432\u044b\u043f\u0443\u0441\u043a\u0435 Perl 5.38.1 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 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