{"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\/de\/blog\/news\/udalyonnaya-uyazvimost-v-servernyh-platah-intel-s-bmc-emulex-pilot-3","title":{"rendered":"Entfernte Sicherheitsanf\u00e4lligkeit in Intel Server-Motherboards mit BMC Emulex Pilot 3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Intel-Unternehmen <noindex><a rel=\"nofollow\" href=\"https:\/\/www.intel.com\/content\/www\/us\/en\/security-center\/advisory\/intel-sa-00384.html\">meldete<\/a><\/noindex> \u00dcber die Beseitigung von 22 Schwachstellen in den Firmware-Versionen ihrer Server-Motherboards, Serversysteme und Rechenmodule. Drei Schwachstellen, von denen eine als kritisch eingestuft ist, (<noindex><a rel=\"nofollow\" href=\"http:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2020-8708\">CVE-2020-8708<\/a><\/noindex> \u2014 CVSS 9.6, <noindex><a rel=\"nofollow\" href=\"http:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2020-8707\">CVE-2020-8707<\/a><\/noindex> \u2014 CVSS 8.3, <noindex><a rel=\"nofollow\" href=\"http:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2020-8706\">CVE-2020-8706<\/a><\/noindex> \u2014 CVSS 4.7) <noindex><a rel=\"nofollow\" href=\"https:\/\/twitter.com\/d_olex\/status\/1293263257898086400\">zeigt sich<\/a><\/noindex> in der Firmware des BMC-Controllers Emulex Pilot 3, der in Intel-Produkten verwendet wird. Die Schwachstellen erm\u00f6glichen es, ohne Authentifizierung auf die Konsole der Fernverwaltung (KVM) zuzugreifen, die Authentifizierung bei der Emulation von USB-Speicherger\u00e4ten zu umgehen und einen externen Buffer Overflow im verwendeten BMC-Linux-Kernel auszul\u00f6sen. <\/p>\n<p>Die Schwachstelle CVE-2020-8708 erlaubt es einem nicht authentifizierten Angreifer, der Zugriff auf das gleiche lokale Netzwerksegment wie der verwundbare Server hat, auf die BMC-Verwaltungsumgebung zuzugreifen. Es wird darauf hingewiesen, dass die Ausnutzung der Schwachstelle sehr einfach und zuverl\u00e4ssig ist, da das Problem durch einen architektonischen Fehler verursacht wird. Dar\u00fcber hinaus ist es f\u00fcr <noindex><a rel=\"nofollow\" href=\"https:\/\/twitter.com\/d_olex\/status\/1293397056724168704\">Aussage<\/a><\/noindex> den Forscher, der die Schwachstelle entdeckt hat, viel einfacher, \u00fcber einen Exploit mit BMC zu arbeiten als mit dem normalen Java-Client. Zu den betroffenen Ger\u00e4ten geh\u00f6ren die Serverfamilien Intel R1000WT, R2000WT, R1000SP, LSVRP, LR1304SP, R1000WF und R2000WF sowie die Motherboards S2600WT, S2600CW, S2600KP, S2600TP, S1200SP, S2600WF, S2600ST und S2600BP sowie die Rechenmodule HNS2600KP, HNS2600TP und HNS2600BP. Die Schwachstellen wurden im Firmware-Update 1.59 behoben.<\/p>\n<p>Laut inoffiziellen <noindex><a rel=\"nofollow\" href=\"https:\/\/twitter.com\/d_olex\/status\/1293405945033154560\">Angaben<\/a><\/noindex> wurde die Firmware f\u00fcr BMC Emulex Pilot 3 von AMI erstellt, daher <noindex><a rel=\"nofollow\" href=\"https:\/\/twitter.com\/d_olex\/status\/1293406273510109184\">es ist nicht auszuschlie\u00dfen<\/a><\/noindex> sind Schwachstellen auch in Systemen anderer Hersteller vorhanden. Die Probleme sind in externen Patches f\u00fcr den Linux-Kernel und in dem im Benutzerspeicher arbeitenden Verwaltungsprozess vorhanden, deren Code von dem Forscher, der das Problem entdeckt hat, als der schlechteste Code charakterisiert wird, dem er je begegnet ist.<\/p>\n<p>Erinnern wir uns daran, dass BMC ein spezialisierter Controller ist, der in Servern installiert wird, \u00fcber eigene CPU, Speicher, Speicher und Sensorabfrage-Schnittstellen verf\u00fcgt und eine Low-Level-Schnittstelle f\u00fcr die \u00dcberwachung und Verwaltung von Serverhardware bereitstellt. Mit Hilfe von BMC kann unabh\u00e4ngig vom Betriebssystem, das auf dem Server l\u00e4uft, der Zustand der Sensoren \u00fcberwacht, die Stromversorgung, Firmware und Festplatten verwaltet, eine Remote-Boot-Option \u00fcber das Netzwerk eingerichtet und der Zugriff \u00fcber die Konsole erm\u00f6glicht werden. <\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Quelle: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53535\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\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 &#8212; CVSS 9.6, CVE-2020-8707 &#8212; CVSS 8.3, CVE-2020-8706 &#8212; 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 [&hellip;]<\/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<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" 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