{"id":108845,"date":"2023-06-05T15:10:26","date_gmt":"2023-06-05T13:10:26","guid":{"rendered":"https:\/\/prohoster.info\/?p=108845"},"modified":"2023-06-05T17:18:04","modified_gmt":"2023-06-05T15:18:04","slug":"obhod-ogranichenij-selinux-svyazannyh-s-zagruzkoj-modulej-yadra","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/obhod-ogranichenij-selinux-svyazannyh-s-zagruzkoj-modulej-yadra","title":{"rendered":"SELinuxi piirangute v\u00e4ltimine, mis on seotud tuumamoodulite laadimisega.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

K\u00e4iv ett oleme edastanud tuuma moodulite laadimise keeldu, mille eesm\u00e4rk on siht otstarbelised reeglid SELinux \u00fchel uuritud seadmel (ei t\u00e4psustata, millise seadmega on tegu ning millistes m\u00e4\u00e4ral probleem m\u00f5jutab SELinux reegleid t\u00f5husates tarkvarades ja jaotustes). Moodulite blokeerimine rakendatud reeglites SELinux p\u00f5hines juurdep\u00e4\u00e4su piiramise teel s\u00fcsteemikutsumisele finit_module, mis v\u00f5imaldab laadida mooduli failist ning mida kasutatakse sellistes utiliitides nagu insmod. Sellega seoses ei k\u00e4sitlenud SELinux reeglid s\u00fcsteemikutsumist init_module, mis samuti v\u00f5imaldab laadida tuuma mooduleid otse m\u00e4lubuffrist. <\/p>\n

Meetodi demonstreerimiseks on valmistatud eksploiteerimise protot\u00fc\u00fcp, mis v\u00f5imaldab k\u00e4itada koodi tuuma tasemel oma mooduli laadimise kaudu ja t\u00e4ielikult keelata SELinuxi kaitse, kui on olemas piiratud juurdep\u00e4\u00e4s s\u00fcsteemile SELinuxi abil.
\n
Allikas: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041f\u0440\u043e\u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u0430 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043e\u0431\u0445\u043e\u0434\u0430 \u0437\u0430\u043f\u0440\u0435\u0442\u0430 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u043c\u043e\u0434\u0443\u043b\u0435\u0439 \u044f\u0434\u0440\u0430, \u0440\u0435\u0430\u043b\u0438\u0437\u0443\u0435\u043c\u043e\u0433\u043e \u0432 targeted-\u043f\u0440\u0430\u0432\u0438\u043b\u0430\u0445 SELinux \u043d\u0430 \u043e\u0434\u043d\u043e\u043c \u0438\u0437 \u0438\u0437\u0443\u0447\u0435\u043d\u043d\u044b\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432 (\u043d\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u0435\u0442\u0441\u044f, \u043e \u043a\u0430\u043a\u043e\u043c \u0438\u043c\u0435\u043d\u043d\u043e \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0435 \u0440\u0435\u0447\u044c \u0438 \u043d\u0430\u0441\u043a\u043e\u043b\u044c\u043a\u043e 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\u0437\u0430\u0433\u0440\u0443\u0437\u0438\u0442\u044c \u043c\u043e\u0434\u0443\u043b\u044c \u0438\u0437 \u0444\u0430\u0439\u043b\u0430 \u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u043c\u0443 \u0432 […]<\/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-108845","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\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\udd47SELinuxi piirangute \u00fcletamine, mis on seotud tuuma moodulite laadimisega | ProHoster","description":"K\u00e4iv ett oleme edastanud tuuma moodulite laadimise keeldu, mis on m\u00f5eldud siht otstarbelised reeglid SELinux \u00fchel uuritud seadmel (ei t\u00e4psustata, millise seadmega on tegu ning millistes m\u00e4\u00e4ral probleem.","canonical_url":"https:\/\/prohoster.info\/et\/blog\/news\/obhod-ogranichenij-selinux-svyazannyh-s-zagruzkoj-modulej-yadra","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"et_EE","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\u041e\u0431\u0445\u043e\u0434 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u0439 SELinux, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0445 \u0441 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u043e\u0439 \u043c\u043e\u0434\u0443\u043b\u0435\u0439 \u044f\u0434\u0440\u0430 | ProHoster","og:description":"\u041f\u0440\u043e\u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u0430 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043e\u0431\u0445\u043e\u0434\u0430 \u0437\u0430\u043f\u0440\u0435\u0442\u0430 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u043c\u043e\u0434\u0443\u043b\u0435\u0439 \u044f\u0434\u0440\u0430, \u0440\u0435\u0430\u043b\u0438\u0437\u0443\u0435\u043c\u043e\u0433\u043e \u0432 targeted-\u043f\u0440\u0430\u0432\u0438\u043b\u0430\u0445 SELinux \u043d\u0430 \u043e\u0434\u043d\u043e\u043c \u0438\u0437 \u0438\u0437\u0443\u0447\u0435\u043d\u043d\u044b\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432 (\u043d\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u0435\u0442\u0441\u044f, \u043e \u043a\u0430\u043a\u043e\u043c \u0438\u043c\u0435\u043d\u043d\u043e \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0435 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\u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430.","og:url":"https:\/\/prohoster.info\/et\/blog\/news\/obhod-ogranichenij-selinux-svyazannyh-s-zagruzkoj-modulej-yadra","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":"2023-06-05T13:10:26+00:00","article:modified_time":"2023-06-05T15:18:04+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\/et\/wp-json\/wp\/v2\/posts\/108845","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/comments?post=108845"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/posts\/108845\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/media?parent=108845"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/categories?post=108845"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/tags?post=108845"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}