{"id":113376,"date":"2024-02-03T13:41:10","date_gmt":"2024-02-03T11:41:10","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-v-runc-pozvolyayushhaya-vybratsya-iz-kontejnerov-docker-i-kubernetes"},"modified":"2024-02-03T13:41:10","modified_gmt":"2024-02-03T11:41:10","slug":"uyazvimost-v-runc-pozvolyayushhaya-vybratsya-iz-kontejnerov-docker-i-kubernetes","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/uyazvimost-v-runc-pozvolyayushhaya-vybratsya-iz-kontejnerov-docker-i-kubernetes","title":{"rendered":"runc-i haavatavus, mis v\u00f5imaldab p\u00e4\u00e4seda v\u00e4lja Docker ja Kubernetes konteineritest","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Runc'i t\u00f6\u00f6riistakomplektis, mida kasutatakse isoleeritud konteinerite k\u00e4itamiseks Dockeris ja Kuberneteses, leiti haavatavus CVE-2024-21626, mis v\u00f5imaldab p\u00e4\u00e4seda juurde host-\u00f6kos\u00fcsteemi failis\u00fcsteemile isoleeritud konteinerist. R\u00fcnnaku k\u00e4igus saab r\u00fcndaja \u00fcle kirjutada m\u00f5ned k\u00e4ivitatavad failid host-\u00f6kos\u00fcsteemis ja seel\u00e4bi saavutada oma koodi t\u00e4itmine konteinerist v\u00e4ljaspool. Runci, cruni ja youki t\u00f6\u00f6failide k\u00e4ideldamisel, samuti LXC-s, probleemi ei esine. Haavatavus on k\u00f5rvaldatud runc'i versioonis 1.1.12.    <\/p>\n<p>Docker'i v\u00f5i Kubernetes'e t\u00f6\u00f6riistade kasutamisel saab r\u00fcnnaku teostada spetsiaalselt kujundatud konteineripildi kaudu, mille seadistamine ja k\u00e4itamine v\u00f5imaldavad konteinerist p\u00e4\u00e4seda v\u00e4lisele failis\u00fcsteemile. Docker'i kasutamisel on v\u00f5imalus r\u00fcnnata spetsiaalselt kujundatud Dockerfile'i kaudu. Haavatavust saab \u00e4ra kasutada ka juhul, kui konteineris k\u00e4ivitatakse protsess runci k\u00e4suga &#171;runc exec&#187; host-\u00f6kos\u00fcsteemi nimespetsiifiliste t\u00f6\u00f6kataloogide sidumisega.      <\/p>\n<p>Haavatavus on p\u00f5hjustatud sise-failide deskriptorite lekkimisest. Koodi k\u00e4ivitamiseks konteineri sees runc'is suletakse k\u00f5ik failide deskriptorid O_CLOEXEC lipu abil. Sellegipoolest j\u00e4\u00e4b p\u00e4rast funktsiooni setcwd() k\u00e4ivitamist avatuks failide deskriptor, mis viitab t\u00f6\u00f6kataloogile ning j\u00e4\u00e4b kergesti k\u00e4ttesaadavaks p\u00e4rast konteineri k\u00e4ivitamist. On ettepanekuid mitmete p\u00f5hir\u00fcnnakute stsenaariumide kohta host-\u00f6kos\u00fcsteemi, kasutades avatud failide deskriptorit.     <\/p>\n<p>N\u00e4iteks v\u00f5ib r\u00fcndaja konteineripildis m\u00e4\u00e4rata parameetri process.cwd, mis viitab &#171;\/proc\/self\/fd\/7\/&#187;, mis toob kaasa protsessi pid1 konteineris seondumise t\u00f6\u00f6katalooge, mis asub host-\u00f6kos\u00fcsteemi mountimisruumis. Seega saab konteineripildis seadistada &#171;\/proc\/self\/fd\/7\/..\/..\/..\/bin\/bash&#187; k\u00e4ivitamise ja shell-skripti t\u00e4itmise kaudu \u00fcle kirjutada sisu &#171;\/proc\/self\/exe&#187;, mis osutab hosti koopiale \/bin\/bash.    <\/p>\n<p>Teine r\u00fcnnaku variant v\u00f5imaldab r\u00fcndajal, kes on piiratud konteineri sees, p\u00e4\u00e4seda host-\u00f6kos\u00fcsteemi kataloogile, kui konteneris k\u00e4ivitatakse privileegitud protsess runci k\u00e4suga &#171;runc exec&#187; valikuga &#171;--cwd&#187;. R\u00fcndaja saab muuta k\u00e4ivitatava protsessi teed s\u00fcmboolseks lingiks, mis osutab &#171;\/proc\/self\/fd\/7\/&#187;, saavutades &#171;\/proc\/$exec_pid\/cwd&#187; avamise hosti failis\u00fcsteemile. R\u00fcndaja v\u00f5ib samuti saavutada k\u00e4ivitatavate failide \u00fcle kirjutamise host-\u00f6kos\u00fcsteemi poole, korraldades k\u00e4ivitatud faili k\u00e4ivitamise kaudu host-\u00f6kos\u00fcsteemist (&#171;\/proc\/self\/fd\/7\/..\/..\/..\/bin\/bash&#187;), millele j\u00e4rgneb faili &#171;\/proc\/$pid\/exe&#187; \u00fcle kirjutamine, mis osutab k\u00e4ivitatud failile.      <\/p>\n<p>Lisaks on Docker'i t\u00f6\u00f6riistade komponentides leitud veel viis haavatavust:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2024-23651 &#8212; rivaalitsus BuildKit paketi osas, mida kasutatakse Dockeris l\u00e4htekoodi genereerimiseks ehitusartefaktideks. Haavatavus tuleneb paralleelis k\u00e4ivitatavatest ehitusetappidest, mis jagavad \u00fchte mountimispunkti, millel on cache (&#171;--mount=type=cache,source=&#187;), mis v\u00f5imaldab BuildKiti t\u00f6\u00f6tlemisel spetsiaalselt kujundatud Dockerfile'ilt p\u00e4\u00e4seda juurde failidele host-\u00f6kos\u00fcsteemis. Haavatavus on k\u00f5rvaldatud BuildKit 0.12.5 versioonis.\n<li class=\"l\"> CVE-2024-23652 &#8212; vale k\u00e4itamine t\u00fchjade failide eemaldamisel, mis on loodud mountimispunkti jaoks, kasutades &#171;--mount&#187; valikut, v\u00f5imaldab eemaldada faili v\u00e4ljaspool konteinerit spetsiaalselt kujundatud Dockerfile'i t\u00f6\u00f6tlemisel. Haavatavus on k\u00f5rvaldatud BuildKit 0.12.5 versioonis.\n<li class=\"l\"> CVE-2024-23653 &#8212; API rakenduse viga BuildKit'is v\u00f5imaldab saavutada konteineri k\u00e4ivitamist k\u00f5rgendatud privileegidega hoolimata security.insecure seadistuse olekust. Haavatavus on k\u00f5rvaldatud BuildKit 0.12.5 versioonis.\n<li class=\"l\"> CVE-2024-23650 &#8212; pahatahtlik klient v\u00f5i BuildKit esitus v\u00f5ib p\u00f5hjustada BuildKit'i taustaprotsessi kokku kukkumise. Haavatavus on k\u00f5rvaldatud BuildKit 0.12.5 versioonis.\n<li class=\"l\"> CVE-2024-24557 &#8212; v\u00f5imalus m\u00f5jutada Moby cache'i, konteinerite isoleerimise spetsialiseeritud s\u00fcsteemide koostamise komponent. spetsiaalselt kujundatud konteineripildi t\u00f6\u00f6tlemisel on v\u00f5imalik kanda andmeid cache'i, mida saab kasutada hilisemates ehitusetappides. Haavatavus on k\u00f5rvaldatud Moby 25.0.2 ja 24.0.9 versioonides.  <\/ul>\n<p>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60545\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\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, \u043d\u0430\u0439\u0434\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c CVE-2024-21626, \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 \u043a \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 \u0438\u0437 \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u0430. \u0412 \u0445\u043e\u0434\u0435 \u0430\u0442\u0430\u043a\u0438 \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a \u043c\u043e\u0436\u0435\u0442 \u043f\u0435\u0440\u0435\u0437\u0430\u043f\u0438\u0441\u0430\u0442\u044c \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0438\u0441\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u044b\u0435 \u0444\u0430\u0439\u043b\u044b \u0432 \u0445\u043e\u0441\u0442-\u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u044f \u0438 \u0442\u0430\u043a\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0441\u0432\u043e\u0435\u0433\u043e \u043a\u043e\u0434\u0430 \u0432\u043d\u0435 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u0430. \u0412 runtime crun \u0438 youki, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0438\u0445 runc, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0432 [&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-113376","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 \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, \u043d\u0430\u0439\u0434\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c CVE-2024-21626, \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 \u043a \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 \u0438\u0437 \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u0430. \u0412 \u0445\u043e\u0434\u0435 \u0430\u0442\u0430\u043a\u0438 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\/>\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\udd47Runc'i haavatavus, mis v\u00f5imaldab v\u00e4ljuda Docker ja Kubernetes konteineritest | ProHoster","description":"Isoleeritud konteinerite k\u00e4ivitamiseks m\u00f5eldud runc t\u00f6\u00f6riistakomplekt, mida kasutatakse Dockeris ja Kuberneteses, sisaldab haavatavust CVE-2024-21626, mis v\u00f5imaldab ligip\u00e4\u00e4su host-keskkonna failis\u00fcsteemile isoleeritud konteinerist. R\u00fcnnaku k\u00e4igus v\u00f5ib r\u00fcndaja \u00fcle kirjutada m\u00f5ned t\u00e4itmisfailid host-keskkonnas ja seega saavutada oma koodi t\u00e4itmise konteinerist v\u00e4ljaspool. Runtime crun ja youki, mis kasutavad runc'i, samuti","canonical_url":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/uyazvimost-v-runc-pozvolyayushhaya-vybratsya-iz-kontejnerov-docker-i-kubernetes","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\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432 runc, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u0432\u044b\u0431\u0440\u0430\u0442\u044c\u0441\u044f \u0438\u0437 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u043e\u0432 Docker \u0438 Kubernetes | ProHoster","og:description":"\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, \u043d\u0430\u0439\u0434\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c CVE-2024-21626, \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 \u043a \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 \u0438\u0437 \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u0430. \u0412 \u0445\u043e\u0434\u0435 \u0430\u0442\u0430\u043a\u0438 \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a \u043c\u043e\u0436\u0435\u0442 \u043f\u0435\u0440\u0435\u0437\u0430\u043f\u0438\u0441\u0430\u0442\u044c \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0438\u0441\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u044b\u0435 \u0444\u0430\u0439\u043b\u044b \u0432 \u0445\u043e\u0441\u0442-\u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u044f \u0438 \u0442\u0430\u043a\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0441\u0432\u043e\u0435\u0433\u043e \u043a\u043e\u0434\u0430 \u0432\u043d\u0435 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u0430. \u0412 runtime crun \u0438 youki, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0438\u0445 runc, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0432","og:url":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/uyazvimost-v-runc-pozvolyayushhaya-vybratsya-iz-kontejnerov-docker-i-kubernetes","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":"2024-02-03T11:41:10+00:00","article:modified_time":"2024-02-03T11:41:10+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\/113376","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=113376"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/posts\/113376\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/media?parent=113376"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/categories?post=113376"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/tags?post=113376"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}