{"id":100218,"date":"2021-05-20T22:22:38","date_gmt":"2021-05-20T20:22:38","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-v-runc-pozvolyayushhaya-poluchit-dostup-k-fs-vne-kontejnera"},"modified":"2021-05-20T22:22:38","modified_gmt":"2021-05-20T20:22:38","slug":"uyazvimost-v-runc-pozvolyayushhaya-poluchit-dostup-k-fs-vne-kontejnera","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/uyazvimost-v-runc-pozvolyayushhaya-poluchit-dostup-k-fs-vne-kontejnera","title":{"rendered":"runcis avastatud haavatavus, mis v\u00f5imaldab p\u00e4\u00e4seda failis\u00fcsteemile konteinerist v\u00e4ljaspool","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Isolaarsete konteinerite k\u00e4ivitamise t\u00f6\u00f6riistis runc, mida kasutatakse Dockeris ja Kuberneteses, tuvastati haavatavus (CVE-2021-30465), mis v\u00f5imaldab juurdep\u00e4\u00e4su konteinerist host-keskkonna peamisele failis\u00fcsteemile. S\u00fcmboolsete linkide manipuleerimise kaudu saab luua n\u00e4iliselt ohutu konteineri konfiguratsiooni, mis viib bind-montaa\u017eini v\u00e4list failis\u00fcsteemi konteineri sees. Probleem on lahendatud runc 1.0.0-rc95 v\u00e4rskenduses. <\/p>\n

Haavatavuse \u00e4ra kasutamiseks peab r\u00fcndaja suutma k\u00e4ivitada konteinerid koos t\u00e4iendavate montaa\u017eipunktidega konfiguratsioonis (n\u00e4iteks probleem esineb Kubernetesel p\u00f5hinevates keskkondades, kus kasutajad saavad oma konteinerid k\u00e4ivitada). Ajaaken montaa\u017eipunktide \u00fcle kontrollimise ja kasutamise vahel, mis jagavad teisi konteineritega, v\u00f5imaldab r\u00fcndajal konteineri k\u00e4ivitamise ajal kasutada v\u00f5istleval seisundil ja asendada konteineris montaa\u017eiks kasutatav kataloog s\u00fcmboolse lingiga, mis viib ala v\u00e4lja konteineri failis\u00fcsteemi juurest.
\n
Allikas: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0438 \u0434\u043b\u044f \u0437\u0430\u043f\u0443\u0441\u043a\u0430 \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u043e\u0432 runc, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u043c \u0432 Docker \u0438 Kubernetes, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2021-30465), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0434\u043e\u0441\u0442\u0443\u043f \u0438\u0437 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u0430 \u043a \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 \u0445\u043e\u0441\u0442-\u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u044f. \u0427\u0435\u0440\u0435\u0437 \u043c\u0430\u043d\u0438\u043f\u0443\u043b\u044f\u0446\u0438\u0438 \u0441 \u0441\u0438\u043c\u0432\u043e\u043b\u0438\u0447\u0435\u0441\u043a\u0438\u043c\u0438 \u0441\u0441\u044b\u043b\u043a\u0430\u043c\u0438 \u043c\u043e\u0436\u043d\u043e \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u0438\u0442\u044c \u043d\u0430 \u0432\u0438\u0434 \u0431\u0435\u0437\u043e\u0431\u0438\u0434\u043d\u0443\u044e \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u044e \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u0430, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043f\u0440\u0438\u0432\u0435\u0434\u0451\u0442 \u043a bind-\u043c\u043e\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044e \u0432\u043d\u0435\u0448\u043d\u0435\u0439 \u0424\u0421 \u0432\u043d\u0443\u0442\u0440\u0438 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u0430. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0432 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0438 runc 1.0.0-rc95. \u0414\u043b\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0438\u0439 […]<\/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-100218","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\udd47Haavand runc'is, mis v\u00f5imaldab p\u00e4\u00e4seda FS-ile konteinerist v\u00e4lja | ProHoster","description":"Isolatsioonikonteinerite runc'i t\u00f6\u00f6riistakomplektis, mida kasutatakse Dockeris ja Kuberneteses, leiti haavand (CVE-2021-30465), mis v\u00f5imaldab konteinerist juurde p\u00e4\u00e4seda host-keskkonna p\u00f5hifailis\u00fcsteemile. 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