A PCP (Performance Co-Pilot) eszk\u00f6zk\u00e9szletben, amelyet a rendszer teljes\u00edtm\u00e9ny\u00e9nek statisztik\u00e1inak gy\u0171jt\u00e9s\u00e9re haszn\u00e1lnak (p\u00e9ld\u00e1ul a Cockpit fel\u00fclet\u00e9n), k\u00e9t sebezhet\u0151s\u00e9get azonos\u00edtottak. Az els\u0151 sebezhet\u0151s\u00e9g (CVE-2024-45770) a pmpost seg\u00e9dprogramban tal\u00e1lhat\u00f3, amely a napl\u00f3ba t\u00f6rt\u00e9n\u0151 \u00fczenetk\u00fcld\u00e9sre szolg\u00e1l, \u00e9s bizonyos felt\u00e9telek mellett emelt jogosults\u00e1gokkal fut. A sebezhet\u0151s\u00e9g kihaszn\u00e1l\u00e1sa lehet\u0151v\u00e9 teszi a k\u00f3d futtat\u00e1s\u00e1t root jogosults\u00e1gokkal, de a t\u00e1mad\u00e1shoz hozz\u00e1f\u00e9r\u00e9s sz\u00fcks\u00e9ges a PCP fi\u00f3khoz. A t\u00e1mad\u00e1s l\u00e9nyege, hogy egy szimbolikus linkkel fel\u00fcl\u00edrj\u00e1k a \"\\\/var\\\/log\\\/pcp\\\/NOTICES\" f\u00e1jlt, ahov\u00e1 a root jogosults\u00e1gokkal rendelkez\u0151 folyamat \u00edr, an\u00e9lk\u00fcl, hogy a f\u00e1jl megnyit\u00e1sakor O_NOFOLLOW z\u00e1szl\u00f3t haszn\u00e1ln\u00e1nak. <\/p>\n
A m\u00e1sodik sebezhet\u0151s\u00e9g a PCP-ben (CVE-2024-45769) a pcmd h\u00e1tt\u00e9rfolyamatot \u00e9rinti, \u00e9s a mem\u00f3ri\u00e1n k\u00edv\u00fcli hivatkoz\u00e1sokhoz vezet, amikor speci\u00e1lisan form\u00e1zott adatokat k\u00fcldenek. A sebezhet\u0151s\u00e9g vesz\u00e9ly\u00e9t cs\u00f6kkenti, hogy alap\u00e9rtelmez\u00e9s szerint a pcmd letiltja m\u00e1s rendszerekb\u0151l \u00e9rkez\u0151 h\u00e1l\u00f3zati k\u00e9relmek fogad\u00e1s\u00e1t. A sebezhet\u0151s\u00e9geket a PCP 6.3.1-es verzi\u00f3j\u00e1ban jav\u00edtott\u00e1k. A probl\u00e9m\u00e1kat a SUSE projekt fejleszt\u0151i \u00e1ltal v\u00e9gzett audit sor\u00e1n t\u00e1rt\u00e1k fel. <\/p>\n
Ezen k\u00edv\u00fcl egy sebezhet\u0151s\u00e9get (CVE-2024-45593) is felfedeztek a Nix csomagkezel\u0151ben, amelyet a NixOS disztrib\u00faci\u00f3ban haszn\u00e1lnak. Ez a sebezhet\u0151s\u00e9g lehet\u0151v\u00e9 teszi, hogy a speci\u00e1lisan form\u00e1zott NAR (Nix Archive) f\u00e1jlok kicsomagol\u00e1sakor az adatokat a f\u00e1jlrendszer tetsz\u0151leges ter\u00fcleteire \u00edrj\u00e1k, amennyiben ezt a hozz\u00e1f\u00e9r\u00e9si jogosults\u00e1gok lehet\u0151v\u00e9 teszik (a Nix h\u00e1tt\u00e9rfolyamat haszn\u00e1lat\u00e1val a kicsomagol\u00e1s root jogosults\u00e1gokkal t\u00f6rt\u00e9nik). A probl\u00e9ma a Nix 2.24-es \u00e1gban jelentkezik, \u00e9s a 2.24.6-os verzi\u00f3ban megoldott\u00e1k. <\/p>\n
Tov\u00e1bb\u00e1 eml\u00edt\u00e9st \u00e9rdemel egy figyelmeztet\u00e9s k\u00f6zz\u00e9t\u00e9tele egy kritikus sebezhet\u0151s\u00e9gr\u0151l, amely a GNU\\\/Linux disztrib\u00faci\u00f3kat \u00e9rinti, \u00e9s lehet\u0151v\u00e9 teszi a t\u00e1voli k\u00f3dv\u00e9grehajt\u00e1st hiteles\u00edt\u00e9s megker\u00fcl\u00e9s\u00e9vel. Jelenleg nincs inform\u00e1ci\u00f3 a probl\u00e9ma l\u00e9nyeg\u00e9r\u0151l \u00e9s a rendszer alrendszereir\u0151l, amelyeket \u00e9rint, csak annyi tudhat\u00f3, hogy a disztrib\u00faci\u00f3k fejleszt\u0151ivel folytatott egyeztet\u00e9s ut\u00e1n a probl\u00e9ma kezdeti jelent\u00e9s\u00e9t szeptember 30-\u00e1n tervezik k\u00f6zz\u00e9tenni, m\u00edg a r\u00e9szletekkel ell\u00e1tott teljes jelent\u00e9s okt\u00f3ber 6-\u00e1n v\u00e1lik el\u00e9rhet\u0151v\u00e9. A CVE probl\u00e9m\u00e1hoz m\u00e9g nem rendeltek. A probl\u00e9ma felfedez\u0151je szerint a Canonical \u00e9s a Red Hat kritikusan vesz\u00e9lyes szintet (9.9 a 10-b\u0151l) \u00edt\u00e9lt meg a sebezhet\u0151s\u00e9gnek. \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\udd47 A PCP \u00e9s a Nix sebezhet\u0151s\u00e9gei, amelyek lehet\u0151v\u00e9 teszik a jogosults\u00e1gok emel\u00e9s\u00e9t a rendszerben | ProHoster","description":"A PCP (Performance Co-Pilot) eszk\u00f6zk\u00e9szlet\u00e9ben, melyet a rendszer teljes\u00edtm\u00e9ny\u00e9nek statisztik\u00e1inak gy\u0171jt\u00e9s\u00e9re haszn\u00e1lnak (p\u00e9ld\u00e1ul a Cockpit fel\u00fclet\u00e9n), k\u00e9t sebezhet\u0151s\u00e9get azonos\u00edtottak.","canonical_url":"https:\/\/prohoster.info\/hu\/blog\/news\/uyazvimosti-v-pcp-i-nix-pozvolyayushhie-podnyat-privilegii-v-sisteme","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 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\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 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Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"