{"id":103581,"date":"2022-03-21T21:36:47","date_gmt":"2022-03-21T19:36:47","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-v-cri-o-pozvolyayushhaya-poluchit-root-dostup-k-host-okruzheniyu"},"modified":"2022-03-21T21:36:47","modified_gmt":"2022-03-21T19:36:47","slug":"uyazvimost-v-cri-o-pozvolyayushhaya-poluchit-root-dostup-k-host-okruzheniyu","status":"publish","type":"post","link":"https:\/\/prohoster.info\/de\/blog\/novosti-interneta\/uyazvimost-v-cri-o-pozvolyayushhaya-poluchit-root-dostup-k-host-okruzheniyu","title":{"rendered":"Eine Sicherheitsanf\u00e4lligkeit in CRI-O, die Root-Zugriff auf die Host-Umgebung erm\u00f6glicht.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

In CRI-O, der Runtime zur Verwaltung isolierter Container, wurde eine kritische Sicherheitsanf\u00e4lligkeit (CVE-2022-0811) entdeckt, die eine Umgehung der Isolation erm\u00f6glicht und es erlaubt, eigenen Code auf der Host-Systemseite auszuf\u00fchren. Wenn CRI-O anstelle von containerd und Docker verwendet wird, um Container zu starten, die unter der Kubernetes-Plattform laufen, kann ein Angreifer die Kontrolle \u00fcber jeden Knoten im Kubernetes-Cluster erlangen. F\u00fcr den Angriff sind ausreichende Berechtigungen erforderlich, um eigenen Container im Kubernetes-Cluster zu starten. <\/p>\n

\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c\u044e \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f sysctl-\u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u0430 \u044f\u0434\u0440\u0430 «kernel.core_pattern» («\/proc\/sys\/kernel\/core_pattern»), \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u043a\u043e\u0442\u043e\u0440\u043e\u043c\u0443 \u043d\u0435 \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u043b\u0441\u044f, \u043d\u0435\u0441\u043c\u043e\u0442\u0440\u044f \u043d\u0430 \u0442\u043e, \u0447\u0442\u043e \u043e\u043d \u043d\u0435 \u0432\u0445\u043e\u0434\u0438\u0442 \u0432 \u0447\u0438\u0441\u043b\u043e \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u044b\u0445 \u0434\u043b\u044f \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u043e\u0432, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0445 \u0442\u043e\u043b\u044c\u043a\u043e \u0432 \u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0441\u0442\u0432\u0435 \u0438\u043c\u0451\u043d \u0442\u0435\u043a\u0443\u0449\u0435\u0433\u043e \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u0430. \u041f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u0434\u0430\u043d\u043d\u043e\u0433\u043e \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u0430 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c \u0438\u0437 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u0430 \u043c\u043e\u0436\u0435\u0442 \u0438\u0437\u043c\u0435\u043d\u0438\u0442\u044c \u043f\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0435 \u044f\u0434\u0440\u0430 Linux \u0432 \u043e\u0442\u043d\u043e\u0448\u0435\u043d\u0438\u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 core-\u0444\u0430\u0439\u043b\u043e\u0432 \u043d\u0430 \u0441\u0442\u043e\u0440\u043e\u043d\u0435 \u0445\u043e\u0441\u0442-\u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u044f \u0438 \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u0437\u0430\u043f\u0443\u0441\u043a \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u043e\u0439 \u043a\u043e\u043c\u0430\u043d\u0434\u044b \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 root \u043d\u0430 \u0441\u0442\u043e\u0440\u043e\u043d\u0435 \u0445\u043e\u0441\u0442\u0430, \u0443\u043a\u0430\u0437\u0430\u0432 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a \u0442\u0438\u043f\u0430 «|\/bin\/sh -c ‘\u043a\u043e\u043c\u0430\u043d\u0434\u044b'». <\/p>\n

Das Problem tritt ab der Version CRI-O 1.19.0 auf und wurde in den Aktualisierungen 1.19.6, 1.20.7, 1.21.6, 1.22.3, 1.23.2 und 1.24.0 behoben. In den Distributionen zeigt sich das Problem in den Produkten Red Hat OpenShift Container Platform und openSUSE\/SUSE, in deren Repositories das Paket cri-o vorhanden ist.
\n
Quelle: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412 CRI-O, runtime \u0434\u043b\u044f \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u043c\u0438 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u0430\u043c\u0438, \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-2022-0811), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043e\u0431\u043e\u0439\u0442\u0438 \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u044e \u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u0441\u0432\u043e\u0439 \u043a\u043e\u0434 \u043d\u0430 \u0441\u0442\u043e\u0440\u043e\u043d\u0435 \u0445\u043e\u0441\u0442-\u0441\u0438\u0441\u0442\u0435\u043c\u044b. \u0412 \u0441\u043b\u0443\u0447\u0430\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f CRI-O \u0432\u043c\u0435\u0441\u0442\u043e containerd \u0438 Docker \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0437\u0430\u043f\u0443\u0441\u043a\u0430 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u043e\u0432, \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0438\u0445 \u043f\u043e\u0434 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b Kubernetes, \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0438\u0439 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044c \u043d\u0430\u0434 \u043b\u044e\u0431\u044b\u043c \u0443\u0437\u043b\u043e\u043c \u0432 \u043a\u043b\u0430\u0441\u0442\u0435\u0440\u0435 Kubernetes. \u0414\u043b\u044f \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0430\u0442\u0430\u043a\u0438 \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u043f\u0440\u0430\u0432 \u0434\u043b\u044f \u0437\u0430\u043f\u0443\u0441\u043a\u0430 […]<\/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-103581","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\udd47Sicherheitsanf\u00e4lligkeit in CRI-O, die root-Zugriff auf die Host-Umgebung erm\u00f6glicht | ProHoster","description":"In CRI-O, der Laufzeit f\u00fcr die Verwaltung isolierter Container, wurde eine kritische Sicherheitsanf\u00e4lligkeit (CVE-2022-0811) festgestellt, die es erm\u00f6glicht, die Isolation zu umgehen und eigenen Code auf der Host-Systemseite auszuf\u00fchren. Bei Verwendung von CRI-O anstelle von containerd und Docker zur Ausf\u00fchrung von Containern, die unter der Kubernetes-Plattform laufen, kann ein Angreifer die Kontrolle \u00fcber jeden Knoten im Kubernetes-Cluster erlangen. 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\u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f CRI-O \u0432\u043c\u0435\u0441\u0442\u043e containerd \u0438 Docker \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0437\u0430\u043f\u0443\u0441\u043a\u0430 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u043e\u0432, \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0438\u0445 \u043f\u043e\u0434 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b Kubernetes, \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0438\u0439 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044c \u043d\u0430\u0434 \u043b\u044e\u0431\u044b\u043c \u0443\u0437\u043b\u043e\u043c \u0432 \u043a\u043b\u0430\u0441\u0442\u0435\u0440\u0435 Kubernetes. \u0414\u043b\u044f \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u044f 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