{"id":120285,"date":"2024-10-25T13:09:16","date_gmt":"2024-10-25T11:09:16","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-v-networkmanager-libreswan-i-guix-daemon-pozvolyayushhie-povysit-privilegii-v-sisteme"},"modified":"2024-10-25T13:09:16","modified_gmt":"2024-10-25T11:09:16","slug":"uyazvimost-v-networkmanager-libreswan-i-guix-daemon-pozvolyayushhie-povysit-privilegii-v-sisteme","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sl\/blog\/news\/uyazvimost-v-networkmanager-libreswan-i-guix-daemon-pozvolyayushhie-povysit-privilegii-v-sisteme","title":{"rendered":"Vulnerabilnost v NetworkManager-libreswan in guix-daemon, ki omogo\u010data pove\u010danje privilegijev v sistemu","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

V vti\u010dniku NetworkManager-libreswan, ki v NetworkManager dodaja funkcionalnost za povezovanje z VPN, zdru\u017eljivimi s stre\u017eniki, temelje\u010dimi na Libreswan in Cisco IPsec, je bila odkrita ranljivost (CVE-2024-9050), ki jo lahko lokalni uporabnik izkoristi za pove\u010danje svojih privilegijev. Ranljivost je odpravljena v posodobitvi NetworkManager-libreswan 1.2.24. Sledite pojavljanju posodobitev v distribucijah na naslednjih straneh: Debian, Ubuntu, RHEL, SUSE\/openSUSE, Fedora. <\/p>\n

Te\u017eava je posledica nepravilne preverbe konfiguracije VPN<\/a>, \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0435\u043c\u043e\u0439 \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u044b\u043c \u043d\u0435\u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u043c \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u043c \u0438 \u043f\u0435\u0440\u0435\u0434\u0430\u0432\u0430\u0435\u043c\u043e\u0439 \u043d\u0430\u043f\u0440\u044f\u043c\u0443\u044e \u0432 Libreswan \u043f\u0440\u0438 \u043f\u043e\u043f\u044b\u0442\u043a\u0435 \u0430\u043a\u0442\u0438\u0432\u0430\u0446\u0438\u0438 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f. \u0412 \u0447\u0430\u0441\u0442\u043d\u043e\u0441\u0442\u0438, \u0432 \u043f\u043b\u0430\u0433\u0438\u043d\u0435 \u043d\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u043b\u0430\u0441\u044c \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f escape-\u0441\u0438\u043c\u0432\u043e\u043b\u043e\u0432, \u0442\u0430\u043a\u0438\u0445 \u043a\u0430\u043a \u043f\u0435\u0440\u0435\u0432\u043e\u0434 \u0441\u0442\u0440\u043e\u043a\u0438 «\n», \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043c\u043e\u0433\u043b\u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0442\u044c\u0441\u044f \u0434\u043b\u044f \u0440\u0430\u0437\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0445 \u043d\u0430\u0441\u0442\u0440\u043e\u0435\u043a, \u0443\u043a\u0430\u0437\u0430\u043d\u043d\u044b\u0445 \u0432 \u043e\u0434\u043d\u043e\u0439 \u0441\u0442\u0440\u043e\u043a\u0435. <\/p>\n

\u0421\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0435\u043d\u043d\u043e, \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0438\u0439 \u043c\u043e\u0433 \u0443\u043a\u0430\u0437\u0430\u0442\u044c \u0432 \u0441\u043e\u0441\u0442\u0430\u0432\u0435 \u043e\u0434\u043d\u043e\u0433\u043e \u0438\u0437 \u0440\u0430\u0437\u0440\u0435\u0448\u0451\u043d\u043d\u044b\u0445 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u043e\u0432 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440 «leftupdown», \u0437\u0430\u043f\u0440\u0435\u0449\u0451\u043d\u043d\u044b\u0439 \u0434\u043b\u044f \u043d\u0435\u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u0438 \u0437\u0430\u0434\u0430\u044e\u0449\u0438\u0439 \u0441\u043a\u0440\u0438\u043f\u0442, \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u044b\u0439 \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 root \u0432 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0435 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0434\u043b\u044f \u0437\u0430\u043f\u0443\u0441\u043a\u0430 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b \/bin\/true \u043a \u0440\u0430\u0437\u0440\u0435\u0448\u0451\u043d\u043d\u043e\u043c\u0443 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u0443 «hostaddrfamily» \u043c\u043e\u0436\u043d\u043e \u043f\u0440\u0438\u043a\u0440\u0435\u043f\u0438\u0442\u044c \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0435 \u043d\u0430\u0441\u0442\u043e\u0439\u043a\u0438: hostaddrfamily=ipv4\n leftupdown=\/bin\/true\n ikev2=never\n leftxauthclient=yes\n leftusername=username\n phase2alg=aes256-sha1\n authby=secret\n left=%defaultroute\n leftmodecfgclient=yes\n right=172.31.79.2\nconn ign <\/p>\n

\u0160e ena ranljivost je bila odkrita v ozadju procesa guix-daemon, ki se uporablja v distribucijah, temelje\u010dih na paketnem upravitelju GNU Guix. Ranljivost predstavlja nevarnost za ve\u010duporabni\u0161ke sisteme in omogo\u010da lokalnemu uporabniku pridobitev privilegijev katerega koli uporabnika, ki izvaja zbiranje paketov (build user), in spremembo rezultata zbiranja. Osnova ranljivosti je v tem, da lahko napadalec za\u017eene izpeljano zbirko, in \u010de se postopek zbiranja prekine, \u017ee ustvarjeni suid-datoteki ostanejo dostopni drugim uporabnikom sistema. Po tem lahko napadalec izkoristi ustvarjeni suid-datoteko za prekinitev postopka zbiranja, odprtje katere koli datoteke prek \/proc\/$PID\/fd s pravicami uporabnika, ki izvaja zbiranje, in prepi\u0161e datoteke z rezultati zbiranja.
\n
Izvor: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412 \u043f\u043b\u0430\u0433\u0438\u043d\u0435 NetworkManager-libreswan, \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u043c \u0432 NetworkManager \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0434\u043b\u044f \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u043a VPN, \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u044b\u043c \u0441 \u0441\u0435\u0440\u0432\u0435\u0440\u0430\u043c\u0438 \u043d\u0430 \u0431\u0430\u0437\u0435 Libreswan \u0438 Cisco IPsec, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2024-9050), \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043c\u043e\u0436\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0434\u043b\u044f \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u044f \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u044b\u043c \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u043c \u0441\u0432\u043e\u0438\u0445 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0439. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0432 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0438 NetworkManager-libreswan 1.2.24. \u041f\u0440\u043e\u0441\u043b\u0435\u0434\u0438\u0442\u044c \u0437\u0430 \u043f\u043e\u044f\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0439 \u0432 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430\u0445 \u043c\u043e\u0436\u043d\u043e \u043d\u0430 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0445 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0430\u0445: Debian, Ubuntu, RHEL, SUSE\/openSUSE, Fedora. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0432\u044b\u0437\u0432\u0430\u043d\u0430 […]<\/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-120285","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\udd47Ranjivost u NetworkManager-libreswan i guix-daemon, koja omogu\u0107ava podizanje privilegija u sistemu | ProHoster","description":"U dodatku NetworkManager-libreswan, koji dodaje funkcionalnost za povezivanje na VPN kompatibilne sa serverima zasnovanim na Libreswanu i Cisco IPsec-u, otkrivena je ranjivost (CVE-2024-9050) koja 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\u0441\u0438\u0441\u0442\u0435\u043c\u0435 | ProHoster","og:description":"\u0412 \u043f\u043b\u0430\u0433\u0438\u043d\u0435 NetworkManager-libreswan, \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u043c \u0432 NetworkManager \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0434\u043b\u044f \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u043a VPN, \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u044b\u043c \u0441 \u0441\u0435\u0440\u0432\u0435\u0440\u0430\u043c\u0438 \u043d\u0430 \u0431\u0430\u0437\u0435 Libreswan \u0438 Cisco IPsec, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2024-9050), \u043a\u043e\u0442\u043e\u0440\u0430\u044f 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