V n\u00e1stroji PCP (Performance Co-Pilot), ktor\u00fd sa pou\u017e\u00edva na zbieranie \u0161tatist\u00edk o v\u00fdkonnosti syst\u00e9mu (napr\u00edklad sa pou\u017e\u00edva v rozhran\u00ed Cockpit), boli odhalen\u00e9 dve zranite\u013enosti. Prv\u00e1 zranite\u013enos\u0165 (CVE-2024-45770) sa nach\u00e1dza v utilite pmpost, ktor\u00e1 je ur\u010den\u00e1 na zasielanie spr\u00e1v do logu a za ur\u010dit\u00fdch podmienok sa sp\u00fa\u0161\u0165a s zv\u00fd\u0161en\u00fdmi opr\u00e1vneniami. Vyu\u017eitie zranite\u013enosti umo\u017e\u0148uje vykonanie k\u00f3du s pr\u00e1vami root, av\u0161ak na vykonanie \u00fatoku je potrebn\u00fd pr\u00edstup k \u00fa\u010dtu PCP. \u00datok spo\u010d\u00edva v nahraden\u00ed symbolick\u00e9ho odkazu na s\u00fabor \"\/var\/log\/pcp\/NOTICES\", do ktor\u00e9ho sa zapisuje procesom s pr\u00e1vami root bez pou\u017eitia vlajky O_NOFOLLOW pri otvoren\u00ed s\u00faboru. <\/p>\n
Druh\u00e1 zranite\u013enos\u0165 v PCP (CVE-2024-45769) sa t\u00fdka pozadov\u00e9ho procesu pcmd a vedie k pr\u00edstupu do pam\u00e4te mimo vyrovn\u00e1vacej pam\u00e4te pri odosielan\u00ed \u0161peci\u00e1lne form\u00e1tovan\u00fdch \u00fadajov. Nebezpe\u010denstvo zranite\u013enosti zni\u017euje to, \u017ee vo v\u00fdchozom nastaven\u00ed je v pcmd zak\u00e1zan\u00e9 prij\u00edmanie sie\u0165ov\u00fdch po\u017eiadaviek z in\u00fdch syst\u00e9mov. Zranite\u013enosti boli odstr\u00e1nen\u00e9 vo verzii PCP 6.3.1. Probl\u00e9my boli identifikovan\u00e9 po\u010das auditu, ktor\u00fd vykonali v\u00fdvoj\u00e1ri z projektu SUSE. <\/p>\n
Okrem toho bola identifikovan\u00e1 zranite\u013enos\u0165 (CVE-2024-45593) v bal\u00ed\u010dkovom mana\u017e\u00e9ri Nix, ktor\u00fd sa pou\u017e\u00edva v distrib\u00facii NixOS. Zranite\u013enos\u0165 umo\u017e\u0148uje pri rozba\u013eovan\u00ed \u0161peci\u00e1lne form\u00e1tovan\u00fdch s\u00faborov vo form\u00e1te NAR (Nix Archive) dosiahnu\u0165 z\u00e1pis do \u013eubovo\u013en\u00fdch oblast\u00ed s\u00faborov\u00e9ho syst\u00e9mu, pokia\u013e to dovo\u013euj\u00fa pr\u00edstupov\u00e9 pr\u00e1va, s ktor\u00fdmi sa vykon\u00e1va spracovate\u013e (pri pou\u017eit\u00ed pozadov\u00e9ho procesu Nix sa rozba\u013eovanie vykon\u00e1va s pr\u00e1vami root). Probl\u00e9m sa prejavuje v vetve Nix 2.24 a bol odstr\u00e1nen\u00fd vo vydan\u00ed 2.24.6. <\/p>\n
\u010eal\u0161ie je mo\u017en\u00e9 spomen\u00fa\u0165 publikovanie varovania o odhalen\u00ed kritickej zranite\u013enosti, ktor\u00e1 sa t\u00fdka distrib\u00faci\u00ed GNU\/Linux a umo\u017e\u0148uje vzdialen\u00e9 vykonanie k\u00f3du v syst\u00e9me bez prechodu autentifik\u00e1ciou. V s\u00fa\u010dasnosti nie s\u00fa poskytovan\u00e9 \u017eiadne inform\u00e1cie o podstate probl\u00e9mu a subsyst\u00e9moch, ktor\u00e9 to ovplyv\u0148uje, iba sa uv\u00e1dza, \u017ee v s\u00falade s v\u00fdvoj\u00e1rmi distrib\u00faci\u00ed sa pl\u00e1nuje uverejnenie po\u010diato\u010dnej spr\u00e1vy o probl\u00e9me 30. septembra a \u00faplnej spr\u00e1vy s detailmi \u2014 6. okt\u00f3bra. Probl\u00e9mu nebolo zatia\u013e priraden\u00e9 CVE. Pod\u013ea tvrdenia v\u00fdskumn\u00edka, ktor\u00fd zranite\u013enos\u0165 objavil, spolo\u010dnosti Canonical a Red Hat priradili zranite\u013enosti kritick\u00fa \u00farove\u0148 nebezpe\u010denstva (9.9 z 10). \u0412 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0438 PCP (Performance Co-Pilot), \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u043c \u0434\u043b\u044f \u0441\u0431\u043e\u0440\u0430 \u0441\u0442\u0430\u0442\u0438\u0441\u0442\u0438\u043a\u0438 \u043e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0441\u0438\u0441\u0442\u0435\u043c\u044b (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0432 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0435 Cockpit), \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u044b \u0434\u0432\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438. \u041f\u0435\u0440\u0432\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2024-45770) \u043f\u0440\u0438\u0441\u0443\u0442\u0441\u0442\u0432\u0443\u0435\u0442 \u0432 \u0443\u0442\u0438\u043b\u0438\u0442\u0435 pmpost, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0439 \u0434\u043b\u044f \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0438 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0439 \u0432 \u043b\u043e\u0433 \u0438 \u043f\u0440\u0438 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u044b\u0445 \u0443\u0441\u043b\u043e\u0432\u0438\u044f\u0445 \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0435\u043c\u043e\u0439 \u0441 \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u043d\u044b\u043c\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u044f\u043c\u0438. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043a\u043e\u0434\u0430 \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 root, \u043d\u043e \u0434\u043b\u044f \u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u0438\u044f \u0430\u0442\u0430\u043a\u0438 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e […]<\/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-119929","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\udd47Zranite\u013enosti v PCP a Nix, ktor\u00e9 umo\u017e\u0148uj\u00fa zv\u00fd\u0161i\u0165 privil\u00e9gi\u00e1 v syst\u00e9me | ProHoster","description":"V n\u00e1stroji PCP (Performance Co-Pilot), ktor\u00fd sa pou\u017e\u00edva na zber \u0161tatist\u00edk o v\u00fdkonnosti syst\u00e9mu (napr\u00edklad v rozhran\u00ed Cockpit), boli odhalen\u00e9 dve 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Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"