{"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\/it\/blog\/news\/udalyonnaya-uyazvimost-v-servernyh-platah-intel-s-bmc-emulex-pilot-3","title":{"rendered":"Vulnerabilit\u00e0 remota nelle schede madri server Intel con BMC Emulex Pilot 3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Azienda Intel ha annunciato<\/a><\/noindex> sull'eliminazione di 22 vulnerabilit\u00e0 nel firmware delle proprie schede madri server, dei sistemi server e dei moduli di calcolo. Tre vulnerabilit\u00e0, di cui una classificata come critica, (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) si manifesta<\/a><\/noindex> nel firmware del controllore BMC Emulex Pilot 3, utilizzato nei prodotti Intel. Queste vulnerabilit\u00e0 consentono l'accesso alla console di gestione remota (KVM) senza autenticazione, l'aggiramento dell'autenticazione durante l'emulazione di dispositivi USB di archiviazione e possono causare un overflow di buffer remoto nel nucleo Linux utilizzato nel BMC. <\/p>\n

La vulnerabilit\u00e0 CVE-2020-8708 consente a un attaccante non autenticato, che ha accesso a un segmento della rete locale condiviso con il server vulnerabile, di accedere all'ambiente di gestione BMC. Si segnala che la tecnica di sfruttamento della vulnerabilit\u00e0 \u00e8 molto semplice e affidabile, poich\u00e9 il problema \u00e8 causato da un errore architetturale. Inoltre, secondo le parole<\/a><\/noindex> Risolvere la vulnerabilit\u00e0 con gli exploit per BMC \u00e8 decisamente pi\u00f9 comodo rispetto all'uso del client Java standard. Tra l'hardware affetto dalla problematica si citano le famiglie di sistemi server Intel R1000WT, R2000WT, R1000SP, LSVRP, LR1304SP, R1000WF e R2000WF, le schede madri S2600WT, S2600CW, S2600KP, S2600TP, S1200SP, S2600WF, S2600ST e S2600BP, nonch\u00e9 i moduli di calcolo HNS2600KP, HNS2600TP e HNS2600BP. Le vulnerabilit\u00e0 sono state risolte nell'aggiornamento del firmware 1.59.<\/p>\n

Secondo fonti non ufficiali i dati<\/a><\/noindex> il firmware per BMC Emulex Pilot 3 \u00e8 stato sviluppato dalla societ\u00e0 AMI, quindi non si esclude<\/a><\/noindex> l'emergere di vulnerabilit\u00e0 anche nei sistemi di altri produttori. I problemi sono presenti nei patch esterni per il kernel Linux e nel processo di gestione in esecuzione nello spazio utente, il cui codice \u00e8 stato caratterizzato dal ricercatore che ha scoperto il problema come il peggior codice con cui si sia mai imbattuto.<\/p>\n

Ricordiamo che il BMC \u00e8 un controller specializzato installato nei server, dotato di proprio CPU, memoria, archiviazione e interfacce per il polling dei sensori, che fornisce un'interfaccia a basso livello per la supervisione e la gestione dell'hardware del server. Grazie al BMC, indipendentemente dal sistema operativo in esecuzione sul server, \u00e8 possibile monitorare lo stato dei sensori, gestire l'alimentazione, i firmware e i dischi, organizzare l'avvio remoto tramite rete, garantire il funzionamento della console di accesso remoto, ecc. <\/p>\n

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

Fonte: 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":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\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\udd47Vulnerabilit\u00e0 remota nelle schede server Intel con BMC Emulex Pilot 3 | ProHoster","description":"L'azienda Intel ha annunciato di aver risolto 22 vulnerabilit\u00e0 nel firmware dei propri 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