{"id":103151,"date":"2022-01-31T21:36:52","date_gmt":"2022-01-31T19:36:52","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/udalyonnaya-root-uyazvimost-v-samba"},"modified":"2022-01-31T21:36:52","modified_gmt":"2022-01-31T19:36:52","slug":"udalyonnaya-root-uyazvimost-v-samba","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/udalyonnaya-root-uyazvimost-v-samba","title":{"rendered":"Kaugjuhtimisega root-r\u00fcnnak Samba-s","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>On avaldati 4.15.5, 4.14.12 ja 4.13.17 versioonide parandustegevused, mis k\u00f5rvaldavad 3 haavatavust. K\u00f5ige ohtlikum haavatavus (CVE-2021-44142) v\u00f5imaldab kaugtasandi r\u00fcndajal t\u00e4ita s\u00fcsteemis, kus on haavatav Samba versioon, juhuslikku koodi root \u00f5igustega. Probleemile on antud 9.9 ohtlikkuse tase 10-st.    <\/p>\n<p>Haavatavus avaldub ainult VFS-mooduli vfs_fruit kasutamisel vaikeseadetega (fruit:metadata=netatalk v\u00f5i fruit:resource=file), mis pakub t\u00e4iendavat \u00fchilduvuse taset mac OS klientidega ja parandab failide kandmisv\u00f5imet. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/server\/dts-dusseldorf\/\"   title=\"serveritega\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3448\">serveritega<\/a> Netatalk 3 AFP. Probleem on p\u00f5hjustatud puhver\u00fclese l\u00f5hkemisest metaandmete eristatavate atribuutide (EA, xattr) parsemise koodis, mis k\u00e4ivitatakse failide avamisel smbd. R\u00fcnnaku korral peab kasutajal olema kirjutamis\u00f5igus failide eristatavatele atribuutidele, samas kui r\u00fcnnak v\u00f5ib toimuda ka k\u00fclalisena, kui talle on antud selline kirjutamis\u00f5igus.          <\/p>\n<p>Pakettide v\u00e4rskenduste v\u00e4ljaandmist jaotustes saab j\u00e4lgida lehtedel: Debian, Ubuntu, RHEL, SUSE, Fedora, Arch, FreeBSD. Kaitse ringteena saab eemaldada mooduli &#171;fruit&#187; loendist &#171;vfs objects&#187; failis smb.conf.      <\/p>\n<p>Kahe \u00fclej\u00e4\u00e4nud haavatavuse:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2022-0336 haavatavus v\u00f5imaldab Samba AD DC kasutajal end teise teenuse k\u00f5rvalespoona esitleda ja suunata sellele teenusele adresseeritud liikluse pealtkuulamist. R\u00fcnnaku jaoks peab kasutajal olema \u00f5igus muuta servicePrincipalName atribuudi kontol.\n<li class=\"l\"> CVE-2021-44141 haavatavus v\u00f5ib p\u00f5hjustada teabe leket olemasolevate failide ja kataloogide kohta FS alal, mis asub Samba eksporditud sektsiooni v\u00e4ljas. R\u00fcnnak toimub s\u00fcmboolsete linkide manipuleerimise kaudu.  <\/ul>\n<p>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56615\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u0432\u044b\u043f\u0443\u0441\u043a\u0438 \u043f\u0430\u043a\u0435\u0442\u0430 4.15.5, 4.14.12 \u0438 4.13.17 \u0441 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0435\u043c 3 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439. \u041d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u043e\u043f\u0430\u0441\u043d\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2021-44142) \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e\u043c\u0443 \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0435\u043c\u0443 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0439 \u043a\u043e\u0434 \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 root \u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 \u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0435\u0439 Samba. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0435 \u043f\u0440\u0438\u0441\u0432\u043e\u0435\u043d \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 9.9 \u0438\u0437 10. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u043f\u0440\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0438 VFS-\u043c\u043e\u0434\u0443\u043b\u044f vfs_fruit \u0441 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u0430\u043c\u0438 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e (fruit:metadata=netatalk \u0438\u043b\u0438 fruit:resource=file), \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c [&hellip;]<\/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-103151","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" 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