{"id":108438,"date":"2023-05-09T12:48:21","date_gmt":"2023-05-09T10:48:21","guid":{"rendered":"https:\/\/prohoster.info\/?p=108438"},"modified":"2023-05-10T08:54:54","modified_gmt":"2023-05-10T06:54:54","slug":"uyazvimosti-v-netfilter-i-io_uring-pozvolyayushhie-povysit-svoi-privilegii-v-sisteme","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/uyazvimosti-v-netfilter-i-io_uring-pozvolyayushhie-povysit-svoi-privilegii-v-sisteme","title":{"rendered":"Vulnerabilitetet n\u00eb Netfilter dhe io_uring, q\u00eb lejojn\u00eb rritjen e privilegjeve n\u00eb sistem","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>N\u00eb n\u00ebn-sistemet e b\u00ebrtham\u00ebs Linux Netfilter dhe io_uring jan\u00eb zbuluar mang\u00ebsi, t\u00eb cilat lejojn\u00eb nj\u00eb p\u00ebrdorues lokal t\u00eb rris\u00eb privilegjet e tij n\u00eb sistem:  <\/p>\n<ul>\n<li class=\"l\"> Mang\u00ebsia (CVE-2023-32233) n\u00eb n\u00ebn-sistemin Netfilter, e shkaktuar nga aksesimi i memories pas \u00e7lirimit t\u00eb saj (use-after-free) n\u00eb modulit nf_tables, i cili mund\u00ebson funksionimin e filtrit t\u00eb paketave nftables. Mang\u00ebsia mund t\u00eb shfryt\u00ebzohet duke d\u00ebrguar k\u00ebrkesa t\u00eb strukturuara n\u00eb m\u00ebnyr\u00eb speciale p\u00ebr p\u00ebrdit\u00ebsimin e konfiguracionit t\u00eb nftables. P\u00ebr t\u00eb kryer sulmin, nevojitet akses n\u00eb nftables, i cili mund t\u00eb merret n\u00eb nj\u00eb hap\u00ebsir\u00eb t\u00eb ve\u00e7ant\u00eb rrjetesh (network namespaces) me t\u00eb drejta CLONE_NEWUSER, CLONE_NEWNS ose CLONE_NEWNET (p\u00ebr shembull, kur \u00ebsht\u00eb e mundur t\u00eb ekzekutohet nj\u00eb kontejner i izoluar).\n<p>P\u00ebr t\u00eb dh\u00ebn\u00eb p\u00ebrdoruesve koh\u00eb p\u00ebr t\u00eb instaluar p\u00ebrdit\u00ebsimet, hulumtuesi q\u00eb identifikoi problemin premtoi t\u00eb vonoj\u00eb p\u00ebr nj\u00eb jav\u00eb (deri m\u00eb 15 maj) publikimin e informacionit t\u00eb detajuar dhe nj\u00eb shembulli funksional t\u00eb eksploitit q\u00eb ofron shell root. Mang\u00ebsia \u00ebsht\u00eb eleminuar n\u00eb p\u00ebrdit\u00ebsimin 6.4-rc1. Mund t\u00eb ndiqni korrigjimin e mang\u00ebsis\u00eb n\u00eb distribuimet: Debian, Ubuntu, Gentoo, RHEL, Fedora, SUSE\/openSUSE, Arch.      <\/p>\n<li class=\"l\"> Mang\u00ebsia (CVE ende nuk \u00ebsht\u00eb caktuar) n\u00eb implementimin e nd\u00ebrfaqes s\u00eb input\/output asinkronike io_uring, e cila \u00ebsht\u00eb pjes\u00eb e b\u00ebrtham\u00ebs Linux q\u00eb nga l\u00ebshimi 5.1. Problemi shkaktohet nga nj\u00eb gabim n\u00eb funksionin io_sqe_buffer_register, i cili lejon qasje n\u00eb memorie fizike jasht\u00eb buferit t\u00eb alokuar statikisht. Problemi shfaqet vet\u00ebm n\u00eb deg\u00ebn 6.3 dhe do t\u00eb rregullohet n\u00eb p\u00ebrdit\u00ebsimin q\u00eb po p\u00ebrgatitet 6.3.2. P\u00ebr testim, tashm\u00eb \u00ebsht\u00eb n\u00eb dispozicion nj\u00eb prototip funksional i exploitable q\u00eb lejon ekzekutimin e kodit me privilegje b\u00ebrthamore.\n<ul>\n<br \/>Burimi: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=59101\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u044f\u0434\u0440\u0430 Linux Netfilter \u0438 io_uring \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u044b \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e\u043c\u0443 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044e \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435: \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2023-32233) \u0432 \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u0435 Netfilter, \u0432\u044b\u0437\u0432\u0430\u043d\u043d\u0430\u044f \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u0435\u043c \u043a \u043f\u0430\u043c\u044f\u0442\u0438 \u043f\u043e\u0441\u043b\u0435 \u0435\u0451 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0435\u043d\u0438\u044f (use-after-free) \u0432 \u043c\u043e\u0434\u0443\u043b\u0435 nf_tables, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0449\u0435\u043c \u0440\u0430\u0431\u043e\u0442\u0443 \u043f\u0430\u043a\u0435\u0442\u043d\u043e\u0433\u043e \u0444\u0438\u043b\u044c\u0442\u0440\u0430 nftables. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0430 \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\u044b\u0445 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u043d\u0430 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u0438 nftables. \u0414\u043b\u044f \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0430\u0442\u0430\u043a\u0438 \u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f [&hellip;]<\/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-108438","post","type-post","status-publish","format-standard","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u044f\u0434\u0440\u0430 Linux Netfilter \u0438 io_uring \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u044b \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e\u043c\u0443 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044e 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\u0432\u044b\u0437\u0432\u0430\u043d\u043d\u0430\u044f \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u0435\u043c \u043a \u043f\u0430\u043c\u044f\u0442\u0438 \u043f\u043e\u0441\u043b\u0435 \u0435\u0451 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0435\u043d\u0438\u044f (use-after-free) \u0432 \u043c\u043e\u0434\u0443\u043b\u0435 nf_tables, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0449\u0435\u043c \u0440\u0430\u0431\u043e\u0442\u0443 \u043f\u0430\u043a\u0435\u0442\u043d\u043e\u0433\u043e \u0444\u0438\u043b\u044c\u0442\u0440\u0430 nftables. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0430 \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\u044b\u0445 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content=\"2023-05-09T10:48:21+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-05-10T06:54:54+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Mang\u00ebsi n\u00eb Netfilter dhe io_uring, t\u00eb cilat lejojn\u00eb rritjen e privilegjeve n\u00eb sistem | ProHoster","description":"N\u00eb n\u00ebn-sistemet e b\u00ebrtham\u00ebs Linux Netfilter dhe io_uring jan\u00eb zbuluar mang\u00ebsi, t\u00eb cilat lejojn\u00eb nj\u00eb p\u00ebrdorues lokal t\u00eb rris\u00eb privilegjet e tij n\u00eb sistem: Mang\u00ebsia (CVE-2023-32233) n\u00eb n\u00ebn-sistemin Netfilter, e shkaktuar nga aksesimi i memories pas \u00e7lirimit t\u00eb saj (use-after-free) n\u00eb modulit nf_tables, i cili mund\u00ebson funksionimin e filtrit t\u00eb paketave nftables. Mang\u00ebsia mund t\u00eb shfryt\u00ebzohet duke d\u00ebrguar k\u00ebrkesa t\u00eb strukturuara n\u00eb m\u00ebnyr\u00eb speciale p\u00ebr p\u00ebrdit\u00ebsimin e konfiguracionit t\u00eb nftables. P\u00ebr t\u00eb kryer sulmin, nevojitet","canonical_url":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/uyazvimosti-v-netfilter-i-io_uring-pozvolyayushhie-povysit-svoi-privilegii-v-sisteme","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sq_AL","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\u0438 \u0432 Netfilter \u0438 io_uring, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 | ProHoster","og:description":"\u0412 \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u044f\u0434\u0440\u0430 Linux Netfilter \u0438 io_uring \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u044b \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e\u043c\u0443 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044e \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435: \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2023-32233) \u0432 \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u0435 Netfilter, \u0432\u044b\u0437\u0432\u0430\u043d\u043d\u0430\u044f \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u0435\u043c \u043a \u043f\u0430\u043c\u044f\u0442\u0438 \u043f\u043e\u0441\u043b\u0435 \u0435\u0451 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0435\u043d\u0438\u044f (use-after-free) \u0432 \u043c\u043e\u0434\u0443\u043b\u0435 nf_tables, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0449\u0435\u043c \u0440\u0430\u0431\u043e\u0442\u0443 \u043f\u0430\u043a\u0435\u0442\u043d\u043e\u0433\u043e \u0444\u0438\u043b\u044c\u0442\u0440\u0430 nftables. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0430 \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\u044b\u0445 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u043d\u0430 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u0438 nftables. \u0414\u043b\u044f \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0430\u0442\u0430\u043a\u0438 \u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f","og:url":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/uyazvimosti-v-netfilter-i-io_uring-pozvolyayushhie-povysit-svoi-privilegii-v-sisteme","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":"2023-05-09T10:48:21+00:00","article:modified_time":"2023-05-10T06:54:54+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\/sq\/wp-json\/wp\/v2\/posts\/108438","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/comments?post=108438"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/posts\/108438\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/media?parent=108438"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/categories?post=108438"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/tags?post=108438"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}