{"id":91382,"date":"2020-08-12T13:42:03","date_gmt":"2020-08-12T11:42:03","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/udalyonnaya-uyazvimost-v-servernyh-platah-intel-s-bmc-emulex-pilot-3"},"modified":"2020-08-12T13:42:03","modified_gmt":"2020-08-12T11:42:03","slug":"udalyonnaya-uyazvimost-v-servernyh-platah-intel-s-bmc-emulex-pilot-3","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/udalyonnaya-uyazvimost-v-servernyh-platah-intel-s-bmc-emulex-pilot-3","title":{"rendered":"Vulnerabilidade removida em placas de servidor Intel com BMC Emulex Pilot 3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A Intel anunciou<\/a><\/noindex> sobre a corre\u00e7\u00e3o de 22 vulnerabilidades nos firmwares de suas placas m\u00e3es de servidor, sistemas de servidor e m\u00f3dulos computacionais. Tr\u00eas vulnerabilidades, uma das quais foi classificada como cr\u00edtica, (CVE-2020-8708<\/a><\/noindex> \u2014 CVSS 9.6, CVE-2020-8707<\/a><\/noindex> \u2014 CVSS 8.3, CVE-2020-8706<\/a><\/noindex> \u2014 CVSS 4.7) se manifesta<\/a><\/noindex> no firmware do controlador BMC Emulex Pilot 3, utilizado em produtos da Intel. As vulnerabilidades permitem, sem autentica\u00e7\u00e3o, o acesso ao console de gerenciamento remoto (KVM), contornando a autentica\u00e7\u00e3o ao emular dispositivos de armazenamento USB e provocando um estouro de buffer remoto no n\u00facleo Linux utilizado no BMC. <\/p>\n

A vulnerabilidade CVE-2020-8708 permite que um invasor n\u00e3o autenticado, com acesso a um segmento de rede local compartilhado com o servidor vulner\u00e1vel, obtenha acesso ao ambiente de gerenciamento BMC. Observa-se que a t\u00e9cnica de explora\u00e7\u00e3o da vulnerabilidade \u00e9 muito simples e confi\u00e1vel, uma vez que o problema \u00e9 causado por um erro arquitet\u00f4nico. Al\u00e9m disso, de palavras<\/a><\/noindex> um pesquisador que descobriu a vulnerabilidade a trabalhar com o BMC atrav\u00e9s de um exploit \u00e9 muito mais conveniente do que usar o cliente Java padr\u00e3o. Entre o hardware afetado est\u00e3o as fam\u00edlias de sistemas de servidor Intel R1000WT, R2000WT, R1000SP, LSVRP, LR1304SP, R1000WF e R2000WF, placas-m\u00e3e S2600WT, S2600CW, S2600KP, S2600TP, S1200SP, S2600WF, S2600ST e S2600BP, assim como os m\u00f3dulos computacionais HNS2600KP, HNS2600TP e HNS2600BP. As vulnerabilidades foram corrigidas na atualiza\u00e7\u00e3o do firmware 1.59.<\/p>\n

De forma n\u00e3o oficial, dados<\/a><\/noindex> o firmware para BMC Emulex Pilot 3 foi escrito pela AMI, portanto, n\u00e3o se exclui<\/a><\/noindex> a manifesta\u00e7\u00e3o de vulnerabilidades em sistemas de outros fabricantes. Os problemas est\u00e3o presentes em patches externos para o n\u00facleo Linux e no processo de gerenciamento em espa\u00e7o do usu\u00e1rio em execu\u00e7\u00e3o, cujo c\u00f3digo foi descrito pelo pesquisador que identificou o problema como o pior c\u00f3digo com o qual ele j\u00e1 teve que lidar.<\/p>\n

Lembrando que o BMC \u00e9 um controlador especializado instalado em servidores, que possui sua pr\u00f3pria CPU, mem\u00f3ria, armazenamento e interfaces de consulta de sensores, proporcionando uma interface de baixo n\u00edvel para monitoramento e gerenciamento de hardware de servidor. Com o BMC, independentemente do sistema operacional que esteja em execu\u00e7\u00e3o no servidor, \u00e9 poss\u00edvel monitorar o status dos sensores, gerenciar energia, firmwares e discos, organizar inicializa\u00e7\u00e3o remota pela rede, garantir o funcionamento da console de acesso remoto, entre outros. <\/p>\n

<\/a><\/noindex><\/p>\n

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

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Intel \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0430 \u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0438 22 \u0443\u044f\u0432\u0437\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0432 \u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0430\u0445 \u0441\u0432\u043e\u0438\u0445 \u0441\u0435\u0440\u0432\u0435\u0440\u043d\u044b\u0445 \u043c\u0430\u0442\u0435\u0440\u0438\u043d\u0441\u043a\u0438\u0445 \u043f\u043b\u0430\u0442, \u0441\u0435\u0440\u0432\u0435\u0440\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u0438 \u0432\u044b\u0447\u0438\u0441\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u043c\u043e\u0434\u0443\u043b\u0435\u0439. \u0422\u0440\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043e\u0434\u043d\u043e\u0439 \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043f\u0440\u0438\u0441\u0432\u043e\u0435\u043d \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c, (CVE-2020-8708 — CVSS 9.6, CVE-2020-8707 — CVSS 8.3, CVE-2020-8706 — CVSS 4.7) \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0432 \u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0435 BMC-\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u0430 Emulex Pilot 3, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u0433\u043e \u0432 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u0430\u0445 Intel. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u0431\u0435\u0437 \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c […]<\/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-91382","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\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\udd47 Vulnerabilidade remota em placas de servidor Intel com BMC Emulex Pilot 3 | ProHoster","description":"A Intel anunciou a corre\u00e7\u00e3o de 22 vulnerabilidades nos firmwares de seus 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