{"id":36271,"date":"2019-10-31T22:10:36","date_gmt":"2019-10-31T19:10:36","guid":{"rendered":"https:\/\/prohoster.info\/blog\/uyazvimost-v-proshivkah-bmc-kontrollerov-zatragivayushhaya-servery-mnogih-proizvoditelej\/"},"modified":"2019-10-31T22:10:36","modified_gmt":"2019-10-31T19:10:36","slug":"uyazvimost-v-proshivkah-bmc-kontrollerov-zatragivayushhaya-servery-mnogih-proizvoditelej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/uyazvimost-v-proshivkah-bmc-kontrollerov-zatragivayushhaya-servery-mnogih-proizvoditelej","title":{"rendered":"Nj\u00eb dob\u00ebsi n\u00eb firmware e kontroler\u00ebve BMC, e cila prek server\u00ebt e shum\u00eb prodhuesve","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Kompania Eclypsium ka identifikuar<\/a><\/noindex> dy dob\u00ebsi n\u00eb firmueret e kontrolluesve BMC, ofruar n\u00eb server\u00ebt Lenovo ThinkServer, t\u00eb cilat lejojn\u00eb p\u00ebrdoruesit lokal t\u00eb z\u00ebvend\u00ebsojn\u00eb firmuerin ose t\u00eb ekzekutojn\u00eb kod t\u00eb \u00e7far\u00ebdosh\u00ebm n\u00eb an\u00ebn e \u00e7ipit BMC.<\/p>\n

Hetimi i m\u00ebtejsh\u00ebm zbuloi se k\u00ebto probleme prekin gjithashtu firmuer\u00ebt e kontrolluesve BMC t\u00eb p\u00ebrdorur n\u00eb platformat serverike Gigabyte Enterprise Servers, t\u00eb cilat gjithashtu p\u00ebrdoren n\u00eb server\u00ebt e kompanive si Acer, AMAX, Bigtera, Ciara, Penguin Computing dhe sysGen. N\u00eb kontrolluesit BMC me probleme u p\u00ebrdor\u00ebn firmuer\u00eb t\u00eb vulnerabilizuar MergePoint EMS, t\u00eb zhvilluara nga ofruesi i tret\u00eb Avocent (tani nj\u00eb deg\u00eb e kompanis\u00eb Vertiv). <\/p>\n

Dob\u00ebsia e par\u00eb shkaktohet nga mungesa e verifikimit kriptografik t\u00eb azhurnimeve t\u00eb firmuerit t\u00eb ngarkuara (p\u00ebrdoret vet\u00ebm kontrolli i kontrollit CRC32, p\u00ebrkund\u00ebr k\u00ebshillat<\/a><\/noindex> NIST q\u00eb k\u00ebrkon p\u00ebrdorimin e n\u00ebnshkrimeve digjitale), duke lejuar nj\u00eb sulmues, q\u00eb ka akses lokal n\u00eb sistem, t\u00eb z\u00ebvend\u00ebsoj\u00eb firmuerin BMC. Problemi, p\u00ebr shembull, mund t\u00eb p\u00ebrdoret p\u00ebr integrimin e thell\u00eb t\u00eb nj\u00eb rootkit q\u00eb mbetet aktiv pas riinstalimit t\u00eb sistemit operativ dhe bllokon azhurnimet e m\u00ebtejshme t\u00eb firmuerit (p\u00ebr t\u00eb eliminuar rootkit-in k\u00ebrkohet p\u00ebrdorimi i nj\u00eb programatori p\u00ebr t\u00eb riprogramuar SPI flash).<\/p>\n

Dob\u00ebsia e dyt\u00eb \u00ebsht\u00eb e pranishme n\u00eb kodin e azhurnimit t\u00eb firmuerit dhe lejon z\u00ebvend\u00ebsimin e komandave t\u00eb veta, t\u00eb cilat do t\u00eb ekzekutohen n\u00eb BMC me nivelin m\u00eb t\u00eb lart\u00eb t\u00eb privilegjeve. P\u00ebr sulmin mjafton t\u00eb ndryshohet vlera e parametrave RemoteFirmwareImageFilePath n\u00eb skedarin e konfigurimit bmcfwu.cfg, p\u00ebrmes t\u00eb cilit p\u00ebrcaktohet rruga drejt imazhit t\u00eb firmuerit t\u00eb azhurnuar. Gjat\u00eb azhurnimit t\u00eb ardhsh\u00ebm, i cili mund t\u00eb niset me nj\u00eb komand\u00eb n\u00eb IPMI, ky parametr do t\u00eb p\u00ebrpunohen nga BMC dhe do t\u00eb p\u00ebrdoren si pjes\u00eb e thirrjes popen() si pjes\u00eb e vargut p\u00ebr \/bin\/sh. Pasi vargu p\u00ebr t\u00eb formuar komand\u00ebn e shell-it krijohet me nj\u00eb thirrje snprintf() pa pastrimin e duhur t\u00eb simboleve speciale, sulmuesit mund t\u00eb z\u00ebvend\u00ebsojn\u00eb kodin e vet p\u00ebr ekzekutim. P\u00ebr t\u00eb shfryt\u00ebzuar k\u00ebt\u00eb dob\u00ebsi k\u00ebrkohet q\u00eb t\u00eb ekzistojn\u00eb t\u00eb drejtat p\u00ebr t\u00eb d\u00ebrguar nj\u00eb komand\u00eb n\u00eb kontrolluesin BMC p\u00ebrmes IPMI (n\u00ebse ekziston nj\u00eb e drejt\u00eb administratori n\u00eb server, mund t\u00eb d\u00ebrgohet nj\u00eb komand\u00eb IPMI pa autentifikim shtes\u00eb).<\/p>\n

Kompani Gigabyte dhe Lenovo u njoftuan p\u00ebr problemet q\u00eb n\u00eb korrik 2018 dhe arrit\u00ebn t\u00eb l\u00ebshojn\u00eb azhurnime p\u00ebrpara zbulimit publik t\u00eb informacionit. Kompania Lenovo l\u00ebshoi<\/a><\/noindex> l\u00ebshoi azhurnimet e firmuer\u00ebve m\u00eb 15 n\u00ebntor 2018 p\u00ebr server\u00ebt ThinkServer RD340, TD340, RD440, RD540 dhe RD640, por ndreqi vet\u00ebm dob\u00ebsin\u00eb q\u00eb lejon z\u00ebvend\u00ebsimin e komandave, p\u00ebr shkak se gjat\u00eb krijimit t\u00eb linj\u00ebs s\u00eb server\u00ebve t\u00eb bazuar n\u00eb MergePoint EMS n\u00eb 2014, verifikimi i firmuer\u00ebve me n\u00ebnshkrim digjital nuk ishte ende i p\u00ebrhapur gjer\u00ebsisht dhe nuk ishte shpallur nga fillimi.<\/p>\n

M\u00eb 8 maj t\u00eb k\u00ebtij viti, kompania Gigabyte publikoi azhurnimet e firmuer\u00ebve p\u00ebr platformat e n\u00ebnshkrimit ASPEED AST2500, por si Lenovo gjithashtu korigjoi vet\u00ebm dob\u00ebsin\u00eb e lidhur me z\u00ebvend\u00ebsimin e komandave. Plakat e ndjeshme n\u00eb baz\u00eb t\u00eb ASPEED AST2400 ende nuk jan\u00eb azhurnuar. Gigabyte gjithashtu deklaroi<\/a><\/noindex> po kalon n\u00eb p\u00ebrdorimin e firmuer\u00ebve MegaRAC SP-X nga kompania AMI. N\u00eb ve\u00e7anti, firmuer\u00ebt e rinj n\u00eb baz\u00eb t\u00eb MegaRAC SP-X do t\u00eb ofrohen p\u00ebr sistemet, t\u00eb cilat m\u00eb par\u00eb u ofruan me firmuer\u00eb MergePoint EMS. Ky vendim u mor pas shpalljes s\u00eb Vertiv p\u00ebr nd\u00ebrprerjen e mb\u00ebshtetjes p\u00ebr platform\u00ebn MergePoint EMS. Megjithat\u00eb, p\u00ebr azhurnimin e firmuer\u00ebve n\u00eb server\u00ebt e prodhuar nga kompanit\u00eb Acer, AMAX, Bigtera, Ciara, Penguin Computing dhe sysGen mbi baz\u00ebn e plakat\u00ebve Gigabyte dhe t\u00eb pajisur me firmuer\u00eb t\u00eb ndjesh\u00ebm MergePoint EMS, ende nuk \u00ebsht\u00eb raportuar asgj\u00eb.<\/p>\n

Kujtojm\u00eb se BMC \u00ebsht\u00eb nj\u00eb kontrollues i specializuar i instaluar n\u00eb servera, q\u00eb ka CPU-n\u00eb e vet, memorie, ruajtje dhe interfisat e pyetjeve t\u00eb sensor\u00ebve, q\u00eb ofron nj\u00eb nd\u00ebrfaqe t\u00eb ul\u00ebt p\u00ebr monitorimin dhe menaxhimin e pajisjeve serverike. Me ndihm\u00ebn e BMC, pavar\u00ebsisht nga sistemi operativ q\u00eb punon n\u00eb server, mund t\u00eb monitoroni gjendjen e sensor\u00ebve, t\u00eb menaxhoni energjin\u00eb, firmuer\u00ebt dhe disqet, t\u00eb organizoni ngarkes\u00ebn e larg\u00ebt n\u00eb rrjet, t\u00eb siguroni operimin e konsol\u00ebs s\u00eb aksesit t\u00eb larg\u00ebt etj.<\/p>\n

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

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

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Eclypsium \u0432\u044b\u044f\u0432\u0438\u043b\u0430 \u0434\u0432\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 \u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0430\u0445 BMC-\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u0430, \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u043c\u043e\u0433\u043e \u0432 \u0441\u0435\u0440\u0432\u0435\u0440\u0430\u0445 Lenovo ThinkServer, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e\u043c\u0443 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044e \u043f\u043e\u0434\u043c\u0435\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0443 \u0438\u043b\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0439 \u043a\u043e\u0434 \u043d\u0430 \u0441\u0442\u043e\u0440\u043e\u043d\u0435 \u0447\u0438\u043f\u0430 BMC. \u0414\u0430\u043b\u044c\u043d\u0435\u0439\u0448\u0438\u0439 \u0440\u0430\u0437\u0431\u043e\u0440 \u043f\u043e\u043a\u0430\u0437\u0430\u043b, \u0447\u0442\u043e \u0434\u0430\u043d\u043d\u044b\u0435 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u0437\u0430\u0442\u0440\u0430\u0433\u0438\u0432\u0430\u044e\u0442 \u0438 \u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0438 BMC-\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u043e\u0432, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u044b\u0435 \u0432 \u0441\u0435\u0440\u0432\u0435\u0440\u043d\u044b\u0445 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430\u0445 Gigabyte Enterprise Servers, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0442\u0430\u043a\u0436\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442\u0441\u044f \u0432 \u0441\u0435\u0440\u0432\u0435\u0440\u0430\u0445 \u0442\u0430\u043a\u0438\u0445 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0439, \u043a\u0430\u043a Acer, AMAX, Bigtera, Ciara, […]<\/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-36271","post","type-post","status-publish","format-standard","hentry","category-novosti-interneta"],"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\udd47Dob\u00ebsi n\u00eb firmuer\u00ebt e kontrolluesve BMC, q\u00eb prekin server\u00ebt e shum\u00eb prodhuesve | ProHoster","description":"Kompania Eclypsium zbuloi dy dob\u00ebsi n\u00eb firmuer\u00ebt e kontrolluesve BMC, ofruar n\u00eb server\u00ebt Lenovo ThinkServer, q\u00eb lejojn\u00eb p\u00ebrdoruesve lokal t\u00eb z\u00ebvend\u00ebsojn\u00eb firmuerin ose t\u00eb ekzekutojn\u00eb kod t\u00eb \u00e7far\u00ebdosh\u00ebm n\u00eb an\u00ebn e \u00e7ipit BMC. Hetimi i m\u00ebtejsh\u00ebm zbuloi se k\u00ebto probleme prekin gjithashtu firmuer\u00ebt e kontrolluesve BMC t\u00eb p\u00ebrdorur n\u00eb platformat serverike Gigabyte Enterprise Servers, t\u00eb cilat gjithashtu p\u00ebrdoren n\u00eb server\u00ebt e kompanive si Acer, AMAX, Bigtera, Ciara,","canonical_url":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/uyazvimost-v-proshivkah-bmc-kontrollerov-zatragivayushhaya-servery-mnogih-proizvoditelej","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sq_AL","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS 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\u0441\u0435\u0440\u0432\u0435\u0440\u0430\u0445 Lenovo ThinkServer, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e\u043c\u0443 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044e \u043f\u043e\u0434\u043c\u0435\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0443 \u0438\u043b\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0439 \u043a\u043e\u0434 \u043d\u0430 \u0441\u0442\u043e\u0440\u043e\u043d\u0435 \u0447\u0438\u043f\u0430 BMC. \u0414\u0430\u043b\u044c\u043d\u0435\u0439\u0448\u0438\u0439 \u0440\u0430\u0437\u0431\u043e\u0440 \u043f\u043e\u043a\u0430\u0437\u0430\u043b, \u0447\u0442\u043e \u0434\u0430\u043d\u043d\u044b\u0435 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u0437\u0430\u0442\u0440\u0430\u0433\u0438\u0432\u0430\u044e\u0442 \u0438 \u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0438 BMC-\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u043e\u0432, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u044b\u0435 \u0432 \u0441\u0435\u0440\u0432\u0435\u0440\u043d\u044b\u0445 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0430\u0445 Gigabyte Enterprise Servers, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0442\u0430\u043a\u0436\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442\u0441\u044f \u0432 \u0441\u0435\u0440\u0432\u0435\u0440\u0430\u0445 \u0442\u0430\u043a\u0438\u0445 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0439, \u043a\u0430\u043a Acer, AMAX, Bigtera, 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