{"id":36939,"date":"2019-10-31T22:14:51","date_gmt":"2019-10-31T19:14:51","guid":{"rendered":"https:\/\/prohoster.info\/blog\/opublikovan-kod-analizatora-bezopasnosti-proshivok-fwanalyzer\/"},"modified":"2019-10-31T22:14:51","modified_gmt":"2019-10-31T19:14:51","slug":"opublikovan-kod-analizatora-bezopasnosti-proshivok-fwanalyzer","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/opublikovan-kod-analizatora-bezopasnosti-proshivok-fwanalyzer","title":{"rendered":"Se ha publicado el c\u00f3digo del analizador de seguridad de firmware FwAnalyzer","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>La empresa Cruise, especializada en tecnolog\u00edas de conducci\u00f3n autom\u00e1tica de veh\u00edculos, <noindex><a rel=\"nofollow\" href=\"https:\/\/medium.com\/cruise\/firmware-security-fwanalyzer-dcbd95cef717\">abri\u00f3<\/a><\/noindex> los textos originales del proyecto  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.fwanalyzer.io\">FwAnalyzer<\/a><\/noindex>, que proporciona herramientas para el an\u00e1lisis de im\u00e1genes de firmware basadas en Linux y la identificaci\u00f3n de vulnerabilidades potenciales y filtraciones de datos. El c\u00f3digo est\u00e1 escrito en el lenguaje Go y <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/cruise-automation\/fwanalyzer\">se distribuye<\/a><\/noindex> bajo la licencia Apache 2.0.<\/p>\n<p>se admite el an\u00e1lisis de im\u00e1genes que utilizan sistemas de archivos ext2\/3\/4, FAT\/VFat, SquashFS y UBIFS. Para revelar la imagen se utilizan utilidades est\u00e1ndar, como e2tools, mtools, squashfs-tools y ubi_reader. FwAnalyzer extrae de la imagen un \u00e1rbol de directorios y eval\u00faa el contenido en funci\u00f3n de un conjunto de reglas. Las reglas pueden vincularse a los metadatos del sistema de archivos, al tipo de archivos y al contenido. La salida genera un informe en formato JSON que resume la informaci\u00f3n extra\u00edda del firmware y emite advertencias y una lista de archivos que no cumplen con las reglas procesadas. <\/p>\n<p>Se admite la verificaci\u00f3n de los permisos de acceso a archivos y directorios (por ejemplo, se detecta el acceso completo para escritura y establecimiento de UID\/GID incorrectos), se determina la presencia de archivos ejecutables con la bandera suid y el uso de etiquetas SELinux, se identifican claves de cifrado olvidadas y archivos potencialmente peligrosos. En el contenido se destacan las contrase\u00f1as ingenieras dejadas y los datos de depuraci\u00f3n, se extrae informaci\u00f3n sobre versiones, se realiza la determinaci\u00f3n\/verificaci\u00f3n de la carga a trav\u00e9s de hashes SHA-256 y se lleva a cabo la b\u00fasqueda utilizando m\u00e1scaras est\u00e1ticas y expresiones regulares. Es posible vincular scripts de an\u00e1lisis externos a tipos de archivos espec\u00edficos. Para firmwares basados en Android, se determinan los par\u00e1metros de compilaci\u00f3n (por ejemplo, el uso del modo ro.secure=1, el estado de ro.build.type y la activaci\u00f3n de SELinux).<\/p>\n<p>FwAnalyzer se puede utilizar para simplificar el an\u00e1lisis de problemas de seguridad en firmware ajeno, pero su principal prop\u00f3sito es el control de calidad de los propios firmwares o de los suministrados por proveedores externos bajo contrato. Las reglas de FwAnalyzer permiten formar una especificaci\u00f3n precisa del estado del firmware e identificar desviaciones inaceptables, como la asignaci\u00f3n de permisos incorrectos o la dejaci\u00f3n de claves secretas y c\u00f3digo de depuraci\u00f3n (por ejemplo, la verificaci\u00f3n permite evitar situaciones como <noindex><a rel=\"nofollow\" href=\"https:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2018-5399\">dejar<\/a><\/noindex> utilizado en la etapa de prueba del servidor ssh, <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=46175\">una contrase\u00f1a<\/a><\/noindex> ingeniera predeterminada, <noindex><a rel=\"nofollow\" href=\"https:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2014-5457\">disponible<\/a><\/noindex> con permiso de lectura para \/etc\/config\/shadow o <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=43043\">claves olvidadas<\/a><\/noindex> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=42986\">claves<\/a><\/noindex> formaci\u00f3n de firma digital).<\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/miro.medium.com\/max\/627\/0*pHcZA7XBqCy_pv2V?a.png\"><img decoding=\"async\" alt=\"Se ha publicado el c\u00f3digo del analizador de seguridad de firmware FwAnalyzer\" src=\"\/wp-content\/uploads\/2019\/08\/e4fe0f2486b7a3755e388756b8deafc9.png\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fuente: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51249\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Cruise, \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u0443\u044e\u0449\u0430\u044f\u0441\u044f \u043d\u0430 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u044f\u0445 \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0430\u0432\u0442\u043e\u043c\u043e\u0431\u0438\u043b\u044f\u043c\u0438, \u043e\u0442\u043a\u0440\u044b\u043b\u0430 \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u0435 \u0442\u0435\u043a\u0441\u0442\u044b \u043f\u0440\u043e\u0435\u043a\u0442\u0430 FwAnalyzer, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u044b \u0434\u043b\u044f \u0430\u043d\u0430\u043b\u0438\u0437\u0430 \u043e\u0431\u0440\u0430\u0437\u043e\u0432 \u043f\u0440\u043e\u0448\u0438\u0432\u043e\u043a \u043d\u0430 \u0431\u0430\u0437\u0435 Linux \u0438 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f \u0432 \u043d\u0438\u0445 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0438 \u0443\u0442\u0435\u0447\u0435\u043a \u0434\u0430\u043d\u043d\u044b\u0445. \u041a\u043e\u0434 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Go \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 Apache 2.0. \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0430\u043d\u0430\u043b\u0438\u0437 \u043e\u0431\u0440\u0430\u0437\u043e\u0432, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0438\u0445 \u0444\u0430\u0439\u043b\u043e\u0432\u044b\u0435 \u0441\u0438\u0441\u0442\u0435\u043c\u044b ext2\/3\/4, FAT\/VFat, SquashFS \u0438 UBIFS. \u0414\u043b\u044f \u0440\u0430\u0441\u043a\u0440\u044b\u0442\u0438\u044f [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":27676,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-36939","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=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Cruise, \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u0443\u044e\u0449\u0430\u044f\u0441\u044f \u043d\u0430 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u044f\u0445 \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0430\u0432\u0442\u043e\u043c\u043e\u0431\u0438\u043b\u044f\u043c\u0438, 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