{"id":115168,"date":"2024-04-19T02:30:08","date_gmt":"2024-04-19T00:30:08","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-vo-flatpak-pozvolyayushhaya-obojti-sandbox-izolyacziyu"},"modified":"2024-04-19T02:30:08","modified_gmt":"2024-04-19T00:30:08","slug":"uyazvimost-vo-flatpak-pozvolyayushhaya-obojti-sandbox-izolyacziyu","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/uyazvimost-vo-flatpak-pozvolyayushhaya-obojti-sandbox-izolyacziyu","title":{"rendered":"Sebezhet\u0151s\u00e9g a flatpakban, amely lehet\u0151v\u00e9 teszi a sandbox-izol\u00e1ci\u00f3 megker\u00fcl\u00e9s\u00e9t.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A Flatpak eszk\u00f6zk\u00e9szlet\u00e9ben, amely \u00f6n\u00e1ll\u00f3 csomagok l\u00e9trehoz\u00e1s\u00e1ra szolg\u00e1l, amelyek nem k\u00f6t\u0151dnek konkr\u00e9t Linux disztrib\u00faci\u00f3khoz \u00e9s elszigetelve vannak a t\u00f6bbi rendszert\u0151l, sebezhet\u0151s\u00e9get fedeztek fel (CVE-2024-32462). Ez a sebezhet\u0151s\u00e9g lehet\u0151v\u00e9 teszi, hogy egy rosszindulat\u00fa vagy kompromitt\u00e1lt alkalmaz\u00e1s, amely flatpak csomagban ker\u00fcl sz\u00e1ll\u00edt\u00e1sra, megker\u00fclje a be\u00e1ll\u00edtott sandbox-izol\u00e1ci\u00f3s m\u00f3dot, \u00e9s hozz\u00e1f\u00e9rjen a f\u00e1jlokhoz a f\u0151 rendszeren. A probl\u00e9ma csak azokn\u00e1l a csomagokn\u00e1l jelentkezik, amelyek Freedesktop port\u00e1lokat (xdg-desktop-portal) haszn\u00e1lnak az elszigetelt alkalmaz\u00e1sok felhaszn\u00e1l\u00f3i k\u00f6rnyezethez val\u00f3 hozz\u00e1f\u00e9r\u00e9s\u00e9nek szervez\u00e9s\u00e9re. A sebezhet\u0151s\u00e9get a flatpak 1.15.8, 1.14.6, 1.12.9 \u00e9s 1.10.9 jav\u00edt\u00f3friss\u00edt\u00e9seiben orvosolt\u00e1k. K\u00fcl\u00f6nb\u00f6z\u0151 megold\u00e1si lehet\u0151s\u00e9geket is javasoltak az xdg-desktop-portal 1.16.1 \u00e9s 1.18.4 kiad\u00e1saiban. <\/p>\n

A sebezhet\u0151s\u00e9g miatt a szigetelt k\u00f6rnyezetben l\u00e9v\u0151 alkalmaz\u00e1s k\u00e9pes az xdg-desktop-portal interf\u00e9szt haszn\u00e1lva l\u00e9trehozni egy «.desktop» f\u00e1jlt, amely a flatpak alkalmaz\u00e1s ind\u00edt\u00f3parancs\u00e1t tartalmazza, lehet\u0151v\u00e9 t\u00e9ve ezzel a f\u0151 rendszer f\u00e1jlaihoz val\u00f3 hozz\u00e1f\u00e9r\u00e9st. A szigetelt k\u00f6rnyezetb\u0151l val\u00f3 kil\u00e9p\u00e9shez manipul\u00e1ci\u00f3kat v\u00e9geznek a «—command» param\u00e9terrel, amely az indul\u00f3 program nev\u00e9t tov\u00e1bb\u00edtja, amely a flatpak csomagban tal\u00e1lhat\u00f3, amit a szigetelt k\u00f6rnyezetben le kell futtatni. A flatpak a bwrap seg\u00e9dprogramot h\u00edvja meg a szigetelt k\u00f6rnyezet be\u00e1ll\u00edt\u00e1s\u00e1hoz, \u00e1tadva a megadott program nev\u00e9t. P\u00e9ld\u00e1ul egy ls seg\u00e9dprogram szigetelt k\u00f6rnyezetben val\u00f3 futtat\u00e1s\u00e1ra haszn\u00e1lhat\u00f3 a «flatpak run —command=ls org.gnome.gedit» konstrukci\u00f3, amely a «bwrap <izol\u00e1l\u00f3_param\u00e9terek> ls» v\u00e9grehajt\u00e1s\u00e1hoz vezet. <\/p>\n

A sebezhet\u0151s\u00e9g l\u00e9nyege, hogy ha a program neve «—« karakterekkel kezd\u0151dik, akkor azt a bwrap seg\u00e9dprogram saj\u00e1t opci\u00f3jak\u00e9nt \u00e9rtelmezi. P\u00e9ld\u00e1ul a «flatpak run —command=—bind org.gnome.gedit \\\/ \\\/host ls -l \\\/host» v\u00e9grehajt\u00e1sa eredm\u00e9nyek\u00e9nt a «bwrap <izol\u00e1l\u00f3_param\u00e9terek> —bind \\\/ \\\/host ls -l \\\/host» parancs teljes\u00fcl, azaz a «—bind» n\u00e9v nem az ind\u00edtand\u00f3 alkalmaz\u00e1s nev\u00e9nek, hanem a bwrap opci\u00f3j\u00e1nak fog min\u0151s\u00fclni. <\/p>\n

A sebezhet\u0151s\u00e9g fokoz\u00f3dik azzal, hogy a D-Bus interf\u00e9sz «org.freedesktop.portal.Background.RequestBackground» lehet\u0151v\u00e9 teszi a Flatpak csomagban l\u00e9v\u0151 alkalmaz\u00e1s sz\u00e1m\u00e1ra, hogy b\u00e1rmely parancsot megadjon a «flatpak run —command» seg\u00edts\u00e9g\u00e9vel, bele\u00e9rtve azokat is, amelyek «—« karakterrel kezd\u0151dnek. Arra sz\u00e1m\u00edtottak, hogy a parancsok tov\u00e1bb\u00edt\u00e1sa nem vesz\u00e9lyes, mivel azok a csomag szigetelt k\u00f6rnyezet\u00e9ben fognak v\u00e9grehajt\u00f3dni. Azonban nem vett\u00e9k figyelembe, hogy az «—» karakterrel kezd\u0151d\u0151 parancsokat a bwrap seg\u00e9dprogram opci\u00f3ik\u00e9nt \u00e9rtelmezi. V\u00e9g\u00fcl, az xdg-desktop-portal interf\u00e9sz felhaszn\u00e1lhat\u00f3 egy «.desktop» f\u00e1jl l\u00e9trehoz\u00e1s\u00e1ra, amely egy sebezhet\u0151s\u00e9get kihaszn\u00e1l\u00f3 parancsot tartalmaz.
\n
Forr\u00e1s: 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 Flatpak, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u043c \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0441\u0430\u043c\u043e\u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u044b\u0445 \u043f\u0430\u043a\u0435\u0442\u043e\u0432, \u043d\u0435 \u043f\u0440\u0438\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0445 \u043a \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u044b\u043c \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430\u043c Linux \u0438 \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043e\u0442 \u043e\u0441\u0442\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2024-32462). \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0432\u0440\u0435\u0434\u043e\u043d\u043e\u0441\u043d\u043e\u043c\u0443 \u0438\u043b\u0438 \u0441\u043a\u043e\u043c\u043f\u0440\u043e\u043c\u0435\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u043c\u0443 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044e, \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u043c\u043e\u043c\u0443 \u0432 \u043f\u0430\u043a\u0435\u0442\u0435 flatpak, \u043e\u0431\u043e\u0439\u0442\u0438 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u043d\u044b\u0439 \u0440\u0435\u0436\u0438\u043c sandbox-\u0438\u0437\u043e\u043b\u044f\u0446\u0438\u0438 \u0438 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u0444\u0430\u0439\u043b\u0430\u043c \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u0435. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u0432 \u043f\u0430\u043a\u0435\u0442\u0430\u0445, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0438\u0445 \u043f\u043e\u0440\u0442\u0430\u043b\u044b Freedesktop (xdg-desktop-portal), \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u044b\u0435 \u0434\u043b\u044f […]<\/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-115168","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\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\udd47Sebezhet\u0151s\u00e9g a flatpakban, amely megker\u00fcli a sandbox-izol\u00e1ci\u00f3t | ProHoster","description":"A Flatpak eszk\u00f6zk\u00e9szlet\u00e9ben, amely \u00f6n\u00e1ll\u00f3 csomagok l\u00e9trehoz\u00e1s\u00e1ra szolg\u00e1l, amelyek nincsenek hozz\u00e1k\u00f6tve konkr\u00e9t Linux disztrib\u00faci\u00f3khoz \u00e9s izol\u00e1ltak a t\u00f6bbi rendszert\u0151l, egy sebezhet\u0151s\u00e9get (CVE-2024-32462) fedeztek fel.","canonical_url":"https:\/\/prohoster.info\/hu\/blog\/news\/uyazvimost-vo-flatpak-pozvolyayushhaya-obojti-sandbox-izolyacziyu","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"hu_HU","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\u043e flatpak, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043e\u0431\u043e\u0439\u0442\u0438 sandbox-\u0438\u0437\u043e\u043b\u044f\u0446\u0438\u044e | ProHoster","og:description":"\u0412 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0438 Flatpak, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u043c \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0441\u0430\u043c\u043e\u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u044b\u0445 \u043f\u0430\u043a\u0435\u0442\u043e\u0432, \u043d\u0435 \u043f\u0440\u0438\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0445 \u043a \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u044b\u043c \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430\u043c Linux \u0438 \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043e\u0442 \u043e\u0441\u0442\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2024-32462).","og:url":"https:\/\/prohoster.info\/hu\/blog\/news\/uyazvimost-vo-flatpak-pozvolyayushhaya-obojti-sandbox-izolyacziyu","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":"2024-04-19T00:30:08+00:00","article:modified_time":"2024-04-19T00:30:08+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"115168","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":"2026-01-22 22:37:20","breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2026-01-22 22:37:20","updated":"2026-01-22 22:37:20","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/115168","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/comments?post=115168"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/115168\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/media?parent=115168"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/categories?post=115168"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/tags?post=115168"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}