{"id":104840,"date":"2022-08-15T21:36:39","date_gmt":"2022-08-15T19:36:40","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/prodemonstrirovan-vzlom-terminala-starlink"},"modified":"2022-08-15T21:36:39","modified_gmt":"2022-08-15T19:36:40","slug":"prodemonstrirovan-vzlom-terminala-starlink","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/prodemonstrirovan-vzlom-terminala-starlink","title":{"rendered":"D\u00e9monstration du piratage du terminal Starlink","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Un chercheur de l'Universit\u00e9 catholique de Louvain a pr\u00e9sent\u00e9 lors de la conf\u00e9rence Black Hat une technique de compromission du terminal utilisateur Starlink, utilis\u00e9 pour connecter les abonn\u00e9s au r\u00e9seau satellite de SpaceX. Le terminal est \u00e9quip\u00e9 d'un SoC 64 bits d\u00e9velopp\u00e9 par STMicro sp\u00e9cialement pour SpaceX. L'environnement logiciel est bas\u00e9 sur Linux. <\/p>\n

La m\u00e9thode propos\u00e9e permet d'ex\u00e9cuter son propre code sur le terminal Starlink, d'obtenir un acc\u00e8s root et d'acc\u00e9der \u00e0 un r\u00e9seau interne inaccessibile \u00e0 l'utilisateur via les ports normaux, utilis\u00e9 par les terminaux, par exemple pour mettre \u00e0 jour les firmwares. Les travaux publi\u00e9s peuvent \u00e9galement \u00eatre appliqu\u00e9s \u00e0 des exp\u00e9riences avanc\u00e9es dans le domaine des syst\u00e8mes radio d\u00e9finis par logiciel (SDR), en raison de la structure sp\u00e9cifique du terminal Starlink (un r\u00e9seau d'antennes phas\u00e9es, contr\u00f4l\u00e9es par logiciel). <\/p>\n

Le piratage du terminal Starlink est int\u00e9ressant du point de vue d'une attaque contre un syst\u00e8me Linux bien prot\u00e9g\u00e9 avec une mise en \u0153uvre de qualit\u00e9 du mode de d\u00e9marrage s\u00e9curis\u00e9 (Secure Boot). Comme le syst\u00e8me n'a pas pu \u00eatre compromis par logiciel, le piratage a \u00e9t\u00e9 r\u00e9alis\u00e9 au niveau mat\u00e9riel \u00e0 l'aide d'un \u00e9quipement de laboratoire sp\u00e9cialis\u00e9. En fin de compte, l'\u00e9quipement n\u00e9cessaire au piratage a pu \u00eatre r\u00e9duit \u00e0 une carte de type modchip utilisant un microcontr\u00f4leur Raspberry Pi RP2040 (Cortex M0 \u00e0 2 c\u0153urs). <\/p>\n

La carte modchip pr\u00e9par\u00e9e se connecte \u00e0 des pistes sp\u00e9cifiques de la carte m\u00e8re du terminal Starlink et provoque un \u00e9chec en modifiant la tension dans certaines parties du circuit \u00e9lectrique (\u00ab faute de tension \u00bb). Provoquer un \u00e9chec au moment de la v\u00e9rification de la signature num\u00e9rique dans le bootloader ROM (BL1) permet d'ex\u00e9cuter du code arbitraire sur le SoC, malgr\u00e9 l'absence de signature num\u00e9rique valide pour ce code. <\/p>\n

Le sch\u00e9ma de la carte pour le piratage des terminaux Starlink est publi\u00e9 sur GitHub au format KiCad. Le code du firmware utilis\u00e9 pour l'attaque a \u00e9galement \u00e9t\u00e9 publi\u00e9. Le co\u00fbt de fabrication de la carte est estim\u00e9 \u00e0 environ 25 dollars.

\"D\u00e9monstration<\/center>
\n
Source : opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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[…]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":104841,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-104840","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47D\u00e9monstration du piratage du terminal Starlink | ProHoster","description":"Un chercheur de l'Universit\u00e9 catholique de Louvain a pr\u00e9sent\u00e9 lors de la conf\u00e9rence Black Hat une technique de compromission du terminal utilisateur Starlink, utilis\u00e9 pour connecter les abonn\u00e9s au r\u00e9seau 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