{"id":108679,"date":"2023-05-24T12:48:24","date_gmt":"2023-05-24T10:48:24","guid":{"rendered":"https:\/\/prohoster.info\/?p=108679"},"modified":"2023-05-24T16:23:54","modified_gmt":"2023-05-24T14:23:54","slug":"uyazvimost-v-marshrutizatorah-mikrotik-privodyashhaya-k-vypolneniyu-koda-pri-obrabotke-ipv6-ra","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/uyazvimost-v-marshrutizatorah-mikrotik-privodyashhaya-k-vypolneniyu-koda-pri-obrabotke-ipv6-ra","title":{"rendered":"Sebezhet\u0151s\u00e9g a MikroTik routerekben, amely k\u00f3dv\u00e9grehajt\u00e1st okoz az IPv6 RA feldolgoz\u00e1sa sor\u00e1n","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A RouterOS oper\u00e1ci\u00f3s rendszerben, amelyet a MikroTik routerek haszn\u00e1lnak, s\u00falyos s\u00e9r\u00fcl\u00e9kenys\u00e9get (CVE-2023-32154) fedeztek fel, amely lehet\u0151v\u00e9 teszi, hogy egy hiteles\u00edtetlen felhaszn\u00e1l\u00f3 t\u00e1volr\u00f3l k\u00f3dot futtasson az eszk\u00f6z\u00f6n egy k\u00fcl\u00f6n\u00f6sen kialak\u00edtott IPv6 router hirdet\u00e9s (RA, Router Advertisement) elk\u00fcld\u00e9s\u00e9n kereszt\u00fcl. <\/p>\n

A probl\u00e9ma a megfelel\u0151 adatellen\u0151rz\u00e9s hi\u00e1ny\u00e1b\u00f3l ered, amely a k\u00fcls\u0151 forr\u00e1sokb\u00f3l \u00e9rkez\u0151 IPv6 RA (Router Advertisement) k\u00e9relmek feldolgoz\u00e1s\u00e1\u00e9rt felel\u0151s folyamat sor\u00e1n tapasztalhat\u00f3. Ez lehet\u0151v\u00e9 tette, hogy a program \u00edr\u00e1si m\u0171veleteket v\u00e9gezzen a kijel\u00f6lt pufferen k\u00edv\u00fcl, ezzel saj\u00e1t k\u00f3dot hajtva v\u00e9gre root jogosults\u00e1gokkal. Az s\u00e9r\u00fcl\u00e9kenys\u00e9g a MikroTik RouterOS v6.xx \u00e9s v7.xx \u00e1gain jelentkezik, amikor az IPv6 RA \u00fczenetek fogad\u00e1s\u00e1nak be\u00e1ll\u00edt\u00e1sa akt\u00edv (\"ipv6\/settings\/set accept-router-advertisements=yes\" vagy \"ipv6\/settings\/set forward=no accept-router-advertisements=yes-if-forwarding-disabled\"). <\/p>\n

A s\u00e9r\u00fcl\u00e9kenys\u00e9g gyakorlati kihaszn\u00e1l\u00e1s\u00e1nak lehet\u0151s\u00e9g\u00e9t a Pwn2Own versenyen Toront\u00f3ban demonstr\u00e1lt\u00e1k, ahol a probl\u00e9m\u00e1t felfedez\u0151 kutat\u00f3k 100,000 $ jutalmat kaptak a t\u00f6bb l\u00e9pcs\u0151s infrastrukt\u00fara felt\u00f6r\u00e9s\u00e9\u00e9rt, melynek keret\u00e9ben a MikroTik routert haszn\u00e1lt\u00e1k fel m\u00e1s helyi h\u00e1l\u00f3zati komponensek elleni t\u00e1mad\u00e1sra (a t\u00e1mad\u00f3k ezut\u00e1n \u00e1t tudt\u00e1k venni a Canon nyomtat\u00f3 ir\u00e1ny\u00edt\u00e1s\u00e1t, amelynek s\u00e9r\u00fcl\u00e9kenys\u00e9ge szint\u00e9n nyilv\u00e1noss\u00e1gra ker\u00fclt). <\/p>\n

A s\u00e9r\u00fcl\u00e9kenys\u00e9g inform\u00e1ci\u00f3j\u00e1t eredetileg a jav\u00edt\u00e1s kiad\u00e1sa el\u0151tt hozt\u00e1k nyilv\u00e1noss\u00e1gra (0-day), de m\u00e1r el\u00e9rhet\u0151k a RouterOS 7.9.1, 6.49.8, 6.48.7, 7.10beta8 friss\u00edt\u00e9sek, amelyek orvosolj\u00e1k a sebezhet\u0151s\u00e9get. A ZDI (Zero Day Initiative) projekt inform\u00e1ci\u00f3i szerint, amely a Pwn2Own versenyt szervezi, a gy\u00e1rt\u00f3t 2022. december 29-\u00e9n \u00e9rtes\u00edtett\u00e9k a s\u00e9r\u00fcl\u00e9kenys\u00e9gr\u0151l. A MikroTik k\u00e9pvisel\u0151i azt \u00e1ll\u00edtj\u00e1k, hogy nem kaptak \u00e9rtes\u00edt\u00e9st, \u00e9s a probl\u00e9m\u00e1r\u00f3l csak m\u00e1jus 10-\u00e9n \u00e9rtes\u00fcltek, miut\u00e1n megkapt\u00e1k a v\u00e9gs\u0151 figyelmeztet\u00e9st az inform\u00e1ci\u00f3 nyilv\u00e1noss\u00e1gra hozatal\u00e1ra. Tov\u00e1bb\u00e1 a s\u00e9r\u00fcl\u00e9kenys\u00e9g jelent\u00e9s\u00e9ben az szerepel, hogy a probl\u00e9ma l\u00e9nyeg\u00e9r\u0151l a MikroTik k\u00e9pvisel\u0151je szem\u00e9lyesen is \u00e9rtes\u00fclt a Pwn2Own verseny keret\u00e9ben, de a MikroTik nyilatkozata szerint a c\u00e9g munkat\u00e1rsai semmilyen min\u0151s\u00e9gben nem vettek r\u00e9szt az esem\u00e9nyen.
\n
Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 RouterOS, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u0439 \u0432 \u043c\u0430\u0440\u0448\u0440\u0443\u0442\u0438\u0437\u0430\u0442\u043e\u0440\u0430\u0445 MikroTik, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2023-32154), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0435\u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u0446\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u043c\u0443 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044e \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043a\u043e\u0434 \u043d\u0430 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0435 \u0447\u0435\u0440\u0435\u0437 \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0443 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0430\u043d\u043e\u043d\u0441\u0430 \u043c\u0430\u0440\u0448\u0440\u0443\u0442\u0438\u0437\u0430\u0442\u043e\u0440\u0430 IPv6 (RA, Router Advertisement). \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0435\u043c \u0434\u043e\u043b\u0436\u043d\u043e\u0439 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u043f\u043e\u0441\u0442\u0443\u043f\u0430\u044e\u0449\u0438\u0445 \u0438\u0437\u0432\u043d\u0435 \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0435, \u043e\u0442\u0432\u0435\u0447\u0430\u044e\u0449\u0435\u043c \u0437\u0430 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0443 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 IPv6 RA (Router Advertisement), \u0447\u0442\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u043b\u043e \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0437\u0430\u043f\u0438\u0441\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 \u0437\u0430 \u0433\u0440\u0430\u043d\u0438\u0446\u0443 […]<\/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-108679","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\udd47Hiba a MikroTik routereiben, amely k\u00f3d v\u00e9grehajt\u00e1st eredm\u00e9nyez IPv6 RA feldolgoz\u00e1sa sor\u00e1n | ProHoster","description":"A RouterOS oper\u00e1ci\u00f3s rendszerben, amelyet a MikroTik routerek haszn\u00e1lnak, s\u00falyos s\u00e9r\u00fcl\u00e9kenys\u00e9get (CVE-2023-32154) fedeztek fel, amely lehet\u0151v\u00e9 teszi, hogy egy hiteles\u00edtetlen felhaszn\u00e1l\u00f3 t\u00e1volr\u00f3l k\u00f3dot futtasson az eszk\u00f6z\u00f6n kereszt\u00fcl.","canonical_url":"https:\/\/prohoster.info\/hu\/blog\/news\/uyazvimost-v-marshrutizatorah-mikrotik-privodyashhaya-k-vypolneniyu-koda-pri-obrabotke-ipv6-ra","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"hu_HU","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 \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432 \u043c\u0430\u0440\u0448\u0440\u0443\u0442\u0438\u0437\u0430\u0442\u043e\u0440\u0430\u0445 MikroTik, \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0449\u0430\u044f \u043a \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044e \u043a\u043e\u0434\u0430 \u043f\u0440\u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0435 IPv6 RA | ProHoster","og:description":"\u0412 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 RouterOS, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u0439 \u0432 \u043c\u0430\u0440\u0448\u0440\u0443\u0442\u0438\u0437\u0430\u0442\u043e\u0440\u0430\u0445 MikroTik, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2023-32154), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0435\u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u0446\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u043c\u0443 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044e \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043a\u043e\u0434 \u043d\u0430 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0435 \u0447\u0435\u0440\u0435\u0437.","og:url":"https:\/\/prohoster.info\/hu\/blog\/news\/uyazvimost-v-marshrutizatorah-mikrotik-privodyashhaya-k-vypolneniyu-koda-pri-obrabotke-ipv6-ra","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2023-05-24T10:48:24+00:00","article:modified_time":"2023-05-24T14:23:54+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":[],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/108679","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/comments?post=108679"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/108679\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/media?parent=108679"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/categories?post=108679"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/tags?post=108679"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}