{"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\/sk\/blog\/news\/uyazvimost-v-marshrutizatorah-mikrotik-privodyashhaya-k-vypolneniyu-koda-pri-obrabotke-ipv6-ra","title":{"rendered":"Zranite\u013enos\u0165 v smerova\u010doch MikroTik, ktor\u00e1 umo\u017e\u0148uje vykona\u0165 k\u00f3d pri spracovan\u00ed IPv6 RA","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

V opera\u010dnom syst\u00e9me RouterOS, ktor\u00fd sa pou\u017e\u00edva v smerova\u010doch MikroTik, bola zisten\u00e1 kritick\u00e1 zranite\u013enos\u0165 (CVE-2023-32154), ktor\u00e1 umo\u017e\u0148uje neautentifikovan\u00e9mu pou\u017e\u00edvate\u013eovi vzdialene vykona\u0165 k\u00f3d na zariaden\u00ed prostredn\u00edctvom zaslania \u0161peci\u00e1lne upraven\u00e9ho ozn\u00e1menia smerova\u010da IPv6 (RA, Router Advertisement). <\/p>\n

Probl\u00e9m je sp\u00f4soben\u00fd nedostato\u010dnou kontrolou prich\u00e1dzaj\u00facich extern\u00fdch d\u00e1t v procese, ktor\u00fd zodpoved\u00e1 za spracovanie po\u017eiadaviek IPv6 RA (Router Advertisement), \u010do umo\u017enilo zap\u00edsa\u0165 d\u00e1ta mimo vyhraden\u00e9ho vyrovn\u00e1vacej pam\u00e4te a vykona\u0165 vlastn\u00fd k\u00f3d s privil\u00e9giami root. Zranite\u013enos\u0165 sa prejavuje vo vetv\u00e1ch MikroTik RouterOS v6.xx a v7.xx, pri aktiv\u00e1cii nastaven\u00ed na prij\u00edmanie spr\u00e1v IPv6 RA («ipv6\/settings\/set accept-router-advertisements=yes» alebo «ipv6\/settings\/set forward=no accept-router-advertisements=yes-if-forwarding-disabled»). <\/p>\n

Mo\u017enos\u0165 zneu\u017ei\u0165 zranite\u013enos\u0165 v praxi bola preuk\u00e1zan\u00e1 na s\u00fa\u0165a\u017ei Pwn2Own v Toronte, kde v\u00fdskumn\u00edci, ktor\u00ed probl\u00e9m odhalili, z\u00edskali odmenu vo v\u00fd\u0161ke 100 000 dol\u00e1rov za viacf\u00e1zov\u00fd \u00fatok na infra\u0161trukt\u00faru zameran\u00fd na smerova\u010d Mikrotik a jeho vyu\u017eitie ako odrazov\u00fd most\u00edk na \u00fatok na \u010fal\u0161ie komponenty miestnej siete (n\u00e1sledne \u00fato\u010dn\u00edci z\u00edskali kontrolu nad tla\u010diar\u0148ou Canon, o ktorej zranite\u013enosti boli taktie\u017e zverejnen\u00e9 inform\u00e1cie). <\/p>\n

Inform\u00e1cie o zranite\u013enosti boli p\u00f4vodne zverejnen\u00e9 pred vyhotoven\u00edm opravy v\u00fdrobcom (0-day), ale v s\u00fa\u010dasnosti s\u00fa u\u017e k dispoz\u00edcii aktualiz\u00e1cie RouterOS 7.9.1, 6.49.8, 6.48.7, 7.10beta8, ktor\u00e9 zranite\u013enos\u0165 odstra\u0148uj\u00fa. Pod\u013ea inform\u00e1ci\u00ed projektu ZDI (Zero Day Initiative), ktor\u00fd organizuje s\u00fa\u0165a\u017e Pwn2Own, bol v\u00fdrobca o zranite\u013enosti informovan\u00fd 29. decembra 2022. Z\u00e1stupcovia MikroTik tvrdia, \u017ee neboli informovan\u00ed a o probl\u00e9me sa dozvedeli a\u017e 10. m\u00e1ja, po zaslan\u00ed kone\u010dn\u00e9ho varovania o zverejnen\u00ed inform\u00e1ci\u00ed. Okrem toho v reporte o zranite\u013enosti sa uv\u00e1dza, \u017ee inform\u00e1cie o podstate probl\u00e9mu boli predan\u00e9 z\u00e1stupcovi MikroTik osobne po\u010das s\u00fa\u0165a\u017ee Pwn2Own v Toronte, av\u0161ak pod\u013ea vyhl\u00e1senia MikroTik zamestnanci spolo\u010dnosti sa na udalosti nez\u00fa\u010dastnili v \u017eiadnej kvalite.
\n
Zdroj: 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 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(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\udd47Zranite\u013enos\u0165 v smerova\u010doch MikroTik, ved\u00faca k vykonaniu k\u00f3du pri spracovan\u00ed IPv6 RA | ProHoster","description":"V 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\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\/sk\/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\/sk\/wp-json\/wp\/v2\/posts\/108679","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sk\/wp-json\/wp\/v2\/comments?post=108679"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/sk\/wp-json\/wp\/v2\/posts\/108679\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/sk\/wp-json\/wp\/v2\/media?parent=108679"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/sk\/wp-json\/wp\/v2\/categories?post=108679"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/sk\/wp-json\/wp\/v2\/tags?post=108679"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}