{"id":169876,"date":"2026-04-24T12:24:33","date_gmt":"2026-04-24T10:24:33","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-v-packagekit-pozvolyayushhaya-poluchit-prava-root-v-raznyh-distributivah-linux"},"modified":"2026-04-24T12:24:33","modified_gmt":"2026-04-24T10:24:33","slug":"uyazvimost-v-packagekit-pozvolyayushhaya-poluchit-prava-root-v-raznyh-distributivah-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/uyazvimost-v-packagekit-pozvolyayushhaya-poluchit-prava-root-v-raznyh-distributivah-linux","title":{"rendered":"Zranitelnost v PackageKit, umo\u017e\u0148uj\u00edc\u00ed z\u00edskat pr\u00e1va root v r\u016fzn\u00fdch distribuc\u00edch Linuxu","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

V PackageKit, vrstv\u011b D-Bus, kter\u00e1 unifikuje operace spr\u00e1vy bal\u00ed\u010dk\u016f, byla zji\u0161t\u011bna zranitelnost Pack2TheRoot (CVE-2026-41651), kter\u00e1 umo\u017e\u0148uje nep\u0159 privilegovan\u00e9mu u\u017eivateli nainstalovat nebo odstranit libovoln\u00fd bal\u00ed\u010dek a z\u00edskat root p\u0159\u00edstup k syst\u00e9mu. Probl\u00e9m se objevuje od verze 1.0.2 (2014) a byl odstran\u011bn ve verzi PackageKit 1.3.5. <\/p>\n

Probl\u00e9m odhalili v\u00fdzkumn\u00edci ze spole\u010dnosti Deutsche Telekom pomoc\u00ed modelu AI Claude Opus. Bylo p\u0159ipraveno funk\u010dn\u00ed exploity, kter\u00e9 funguje ve v\u011bt\u0161in\u011b distribuc\u00ed s PackageKit, ale podrobnosti o zranitelnosti pl\u00e1nuj\u00ed zve\u0159ejnit pozd\u011bji, aby u\u017eivatel\u016fm dali \u010das na aktualizaci sv\u00fdch syst\u00e9m\u016f. Mo\u017enost zneu\u017eit\u00ed zranitelnosti byla demonstrov\u00e1na v Ubuntu Desktop 18.04\/24.04.4\/26.04, Ubuntu Server 22.04 \u2014 24.04, Debian Desktop 13.4, RockyLinux Desktop 10.1 a Fedora 43 Desktop\/Server. Stav odstran\u011bn\u00ed zranitelnost\u00ed v distribuc\u00edch lze zhodnotit na t\u011bchto str\u00e1nk\u00e1ch (pokud je str\u00e1nka nedostupn\u00e1, znamen\u00e1 to, \u017ee v\u00fdvoj\u00e1\u0159i distribuce je\u0161t\u011b neza\u010dali \u0159e\u0161it probl\u00e9m): Debian, Ubuntu, SUSE, RHEL, Gentoo, Arch, Fedora, FreeBSD. <\/p>\n

Zranitelnost je zp\u016fsobena z\u00e1vodem p\u0159i zpracov\u00e1n\u00ed p\u0159\u00edznak\u016f transakc\u00ed v pozad\u00ed procesu PackageKit, co\u017e umo\u017e\u0148uje pozm\u011b\u0148ovat parametry operace v okam\u017eiku mezi dokon\u010den\u00edm autorizace a spu\u0161t\u011bn\u00edm operace s bal\u00ed\u010dkem. \u00dato\u010dn\u00edk m\u016f\u017ee odeslat D-Bus po\u017eadavek na proveden\u00ed operace, kter\u00e1 je povolen\u00e1 pro nep\u0159 privilegovan\u00e9ho u\u017eivatele, a pot\u00e9 n\u00e1sledn\u011b odeslat opakovan\u00fd D-Bus po\u017eadavek. Pokud opakovan\u00fd po\u017eadavek p\u0159ijde p\u0159ed skute\u010dn\u00fdm za\u010d\u00e1tkem prov\u00e1d\u011bn\u00ed povolen\u00e9 operace, m\u016f\u017ee doj\u00edt k p\u0159eps\u00e1n\u00ed p\u0159\u00edznak\u016f ji\u017e zah\u00e1jen\u00e9 transakce a zm\u011bn\u011b ulo\u017een\u00e9ho stavu. <\/p>\n

Tak\u017ee ji\u017e zah\u00e1jen\u00e1 povolen\u00e1 transakce bude provedena s nep\u016fvodn\u00edmi parametry, ale s pozm\u011bn\u011bn\u00fdmi parametry, kter\u00e9 byly p\u0159ed\u00e1ny ve druh\u00e9m po\u017eadavku. Pozm\u011bn\u011bn\u00edm informac\u00ed o instalovan\u00e9m bal\u00ed\u010dku m\u016f\u017ee \u00fato\u010dn\u00edk m\u00edsto povolen\u00e9ho bal\u00ed\u010dku nainstalovat jak\u00fdkoli jin\u00fd bal\u00ed\u010dek, v\u010detn\u011b lok\u00e1ln\u011b ulo\u017een\u00e9ho \u00fato\u010dn\u00edkem. Instalace bal\u00ed\u010dku se prov\u00e1d\u00ed s pr\u00e1vy root, proto pro z\u00edsk\u00e1n\u00ed root p\u0159\u00edstupu v syst\u00e9mu m\u016f\u017ee \u00fato\u010dn\u00edk p\u0159idat do bal\u00ed\u010dku vlastn\u00ed scriptlet, kter\u00fd se automaticky spust\u00ed p\u0159ed nebo po instalaci.

\"Zranitelnost<\/center>
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412 PackageKit, D-Bus-\u043f\u0440\u043e\u0441\u043b\u043e\u0439\u043a\u0435, \u0443\u043d\u0438\u0444\u0438\u0446\u0438\u0440\u0443\u044e\u0449\u0435\u0439 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u0430\u043a\u0435\u0442\u0430\u043c\u0438, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c Pack2TheRoot (CVE-2026-41651), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0435\u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u043c\u0443 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044e \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u044c \u0438\u043b\u0438 \u0443\u0434\u0430\u043b\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0439 \u043f\u0430\u043a\u0435\u0442 \u0438 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c root-\u0434\u043e\u0441\u0442\u0443\u043f \u043a \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 \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 \u0432\u0435\u0440\u0441\u0438\u0438 1.0.2 (2014 \u0433\u043e\u0434) \u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0432 \u0432\u044b\u043f\u0443\u0441\u043a\u0435 PackageKit 1.3.5. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0443 \u0432\u044b\u044f\u0432\u0438\u043b\u0438 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Deutsche Telekom \u043f\u0440 \u043f\u043e\u043c\u043e\u0449\u0438 AI-\u043c\u043e\u0434\u0435\u043b\u0438 Claude Opus. \u041f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d \u0440\u0430\u0431\u043e\u0447\u0438\u0439 \u044d\u043a\u0441\u043f\u043b\u043e\u0438\u0442, \u0434\u0435\u0439\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0439 \u0432 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":169877,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-169876","post","type-post","status-publish","format-standard","has-post-thumbnail","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\udd47Zranitelnost v PackageKit umo\u017e\u0148uj\u00edc\u00ed z\u00edskat pr\u00e1va root v r\u016fzn\u00fdch distribuc\u00edch Linuxu | ProHoster","description":"V PackageKit, D-Bus vrstv\u011b, kter\u00e1 unifikuje operace spr\u00e1vy bal\u00ed\u010dk\u016f, byla objevena zranitelnost Pack2TheRoot (CVE-2026-41651), kter\u00e1 umo\u017e\u0148uje nep\u0159ihl\u00e1\u0161en\u00e9mu u\u017eivateli nainstalovat nebo odstranit libovoln\u00fd bal\u00ed\u010dek.","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/uyazvimost-v-packagekit-pozvolyayushhaya-poluchit-prava-root-v-raznyh-distributivah-linux","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"cs_CZ","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 PackageKit, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f 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