{"id":36029,"date":"2019-10-31T22:09:14","date_gmt":"2019-10-31T19:09:14","guid":{"rendered":"https:\/\/prohoster.info\/blog\/uyazvimost-blokirovshhika-ekrana-v-astra-linux-special-edition-smolensk\/"},"modified":"2019-10-31T22:09:14","modified_gmt":"2019-10-31T19:09:14","slug":"uyazvimost-blokirovshhika-ekrana-v-astra-linux-special-edition-smolensk","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/uyazvimost-blokirovshhika-ekrana-v-astra-linux-special-edition-smolensk","title":{"rendered":"Vuln\u00e9rabilit\u00e9 du bloqueur d'\u00e9cran dans Astra Linux Special Edition (Smolensk)","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Dans cet article, nous allons examiner une vuln\u00e9rabilit\u00e9 tr\u00e8s int\u00e9ressante dans le syst\u00e8me d'exploitation \u00ab national \u00bb Astra Linux, alors commen\u00e7ons...<\/p>\n

\"Vuln\u00e9rabilit\u00e9<\/a><\/noindex>
\nAstra Linux est un syst\u00e8me d'exploitation \u00e0 usage sp\u00e9cial bas\u00e9 sur le noyau Linux, con\u00e7u pour une protection compl\u00e8te des informations et la construction de syst\u00e8mes automatis\u00e9s s\u00e9curis\u00e9s.<\/p>\n

Le fabricant d\u00e9veloppe une version de base d'Astra Linux \u2014 Common Edition (\u00e0 usage g\u00e9n\u00e9ral) et sa modification Special Edition (\u00e0 usage sp\u00e9cial) :<\/p>\n

    \n
  1. La version \u00e0 usage g\u00e9n\u00e9ral \u2014 Common Edition \u2014 est destin\u00e9e aux petites et moyennes entreprises, ainsi qu'aux \u00e9tablissements d'enseignement ;<\/li>\n
  2. La version \u00e0 usage sp\u00e9cial \u2014 Special Edition \u2014 est destin\u00e9e aux syst\u00e8mes automatis\u00e9s en mode s\u00e9curis\u00e9, traitant des informations dont le degr\u00e9 de confidentialit\u00e9 est \u00ab top secret \u00bb inclus.<\/li>\n<\/ol>\n

    \nInitialement, la vuln\u00e9rabilit\u00e9 dans le bloqueur d'\u00e9cran a \u00e9t\u00e9 d\u00e9couverte dans le syst\u00e8me d'exploitation Astra Linux Common Edition v2.12, elle se manifeste lorsque l'ordinateur est en \u00e9tat de blocage et si \u00e0 ce moment-l\u00e0 un changement de r\u00e9solution d'\u00e9cran est effectu\u00e9. En particulier dans des environnements virtuels (VMWare, Oracle Virtualbox), le contenu complet du bureau est affich\u00e9 sans passer par une autorisation. <\/p>\n

    Cette vuln\u00e9rabilit\u00e9 a \u00e9galement \u00e9t\u00e9 exploit\u00e9e avec succ\u00e8s sur Astra Linux Special Edition v1.5. Il est possible d'obtenir des informations \u00e0 partir de machines physiques en utilisant plusieurs moniteurs avec des r\u00e9solutions diff\u00e9rentes.<\/p>\n

    Ci-dessous, une vid\u00e9o d\u00e9montrant sur Astra Linux Special Edition v1.5 (le poste a \u00e9t\u00e9 bloqu\u00e9, changement de l'extension de la fen\u00eatre) :<\/p>\n

    \"Vuln\u00e9rabilit\u00e9
    \n
    \nCapture d'\u00e9cran de la vid\u00e9o (extrait de donn\u00e9es sur le bureau) :<\/p>\n

    \"Vuln\u00e9rabilit\u00e9
    \n
    \nEn fin de compte, on peut conclure que l'exploitation de cette faille permettra d'acc\u00e9der discr\u00e8tement au contenu des documents (y compris \u00e0 acc\u00e8s restreint) ouverts sur le bureau d'une station Astra Linux bloqu\u00e9e, ce qui entra\u00eenera une fuite de ce type d'informations.
    \n
    Source :     habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

    \u0412 \u0434\u0430\u043d\u043d\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0435 \u043c\u044b \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u043e\u0447\u0435\u043d\u044c \u043e\u0434\u043d\u0443 \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u0443\u044e \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432 \u00ab\u043e\u0442\u0435\u0447\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0439\u00bb \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 Astra Linux, \u0438 \u0442\u0430\u043a, \u043d\u0430\u0447\u043d\u0435\u043c\u2026 Astra Linux \u2014 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u043d\u0430 \u0431\u0430\u0437\u0435 \u044f\u0434\u0440\u0430 Linux, \u0441\u043e\u0437\u0434\u0430\u043d\u043d\u0430\u044f \u0434\u043b\u044f \u043a\u043e\u043c\u043f\u043b\u0435\u043a\u0441\u043d\u043e\u0439 \u0437\u0430\u0449\u0438\u0442\u044b \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 \u0438 \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f \u0437\u0430\u0449\u0438\u0449\u0451\u043d\u043d\u044b\u0445 \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c. \u041f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c \u0440\u0430\u0437\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u0431\u0430\u0437\u043e\u0432\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u0438 Astra Linux \u2014 Common Edition (\u043e\u0431\u0449\u0435\u0433\u043e \u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f) \u0438 \u0435\u0451 \u043c\u043e\u0434\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f Special Edition […]<\/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-36029","post","type-post","status-publish","format-standard","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\udd47Vuln\u00e9rabilit\u00e9 du bloqueur d'\u00e9cran dans Astra Linux Special Edition (Smolensk) | ProHoster","description":"Dans cet article, nous allons examiner une vuln\u00e9rabilit\u00e9 tr\u00e8s int\u00e9ressante dans le syst\u00e8me d'exploitation \u00ab national \u00bb Astra Linux, alors 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