{"id":105610,"date":"2022-11-17T15:36:49","date_gmt":"2022-11-17T13:36:49","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/kriticheskie-uyazvimosti-v-netatalk-privodyashhie-k-udalyonnomu-vypolneniyu-koda"},"modified":"2022-11-17T15:36:49","modified_gmt":"2022-11-17T13:36:49","slug":"kriticheskie-uyazvimosti-v-netatalk-privodyashhie-k-udalyonnomu-vypolneniyu-koda","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/news\/kriticheskie-uyazvimosti-v-netatalk-privodyashhie-k-udalyonnomu-vypolneniyu-koda","title":{"rendered":"Kriti\u010dne ranjivosti u Netatalku koje dovode do daljinskog izvr\u0161avanja koda","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>U Netatalku, serveru s implementacijom AppleTalk i Apple Filing Protocol (AFP), otkriveno je \u0161est udaljenih ranjivosti koje omogu\u0107uju izvr\u0161avanje vlastitog koda s pravima root putem slanja posebno oblikovanih paketa. Netatalk koriste mnogi proizvo\u0111a\u010di ure\u0111aja za pohranu podataka (NAS) za omogu\u0107avanje razmjene datoteka i organizaciju pristupa pisa\u010dima s Apple ra\u010dunala, na primjer, kori\u0161ten je u ure\u0111ajima Western Digital (problem je rije\u0161en uklanjanjem Netatalk-a iz WD firmvera). Netatalk je tako\u0111er uklju\u010den u mnoge distribucije, uklju\u010duju\u0107i OpenWRT (uklonjen od verzije OpenWrt 22.03), Debian, Ubuntu, SUSE, Fedora i FreeBSD, ali se ne koristi prema zadanim postavkama. Problemi su ispravljeni u izdanju Netatalk 3.1.13.    <\/p>\n<p>Otkrivene pote\u0161ko\u0107e:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2022-0194 \u2014 nedostatak ispravne provjere veli\u010dine vanjskih podataka u funkciji ad_addcomment() prije kopiranja u fiksni predmemorijski prostor. Ova ranjivost omogu\u0107uje udaljenom napada\u010du da izvr\u0161i svoj kod s pravima root bez autentifikacije.\n<li class=\"l\"> CVE-2022-23121 \u2014 nepravilna obrada pogre\u0161aka u funkciji parse_entries(), koja se javlja prilikom analize AppleDouble zapisa. Ova ranjivost omogu\u0107uje udaljenom napada\u010du da izvr\u0161i svoj kod s pravima root bez autentifikacije.\n<li class=\"l\"> CVE-2022-23122 \u2014 nedostatak ispravne provjere veli\u010dine vanjskih podataka u funkciji setfilparams() prije njihovog kopiranja u fiksni predmemorijski prostor. Ova ranjivost omogu\u0107uje udaljenom napada\u010du da izvr\u0161i svoj kod s pravima root bez autentifikacije.\n<li class=\"l\"> CVE-2022-23124 \u2014 nedostatak ispravne provjere ulaznih podataka u metodi get_finderinfo(), \u0161to dovodi do \u010ditanja izvan dodijeljenog predmemorijskog prostora. Ova ranjivost omogu\u0107uje udaljenom napada\u010du da do\u0111e do curenja informacija iz memorije procesa bez autentifikacije. U kombinaciji s drugim ranjivostima, gre\u0161ka se tako\u0111er mo\u017ee iskoristiti za izvr\u0161avanje koda s pravima root.\n<li class=\"l\"> CVE-2022-23125 \u2014 nedostatak provjere veli\u010dine prilikom analize elementa \u00ablen\u00bb u funkciji copyapplfile(), prije kopiranja podataka u fiksni predmemorijski prostor. Ova ranjivost omogu\u0107uje udaljenom napada\u010du da izvr\u0161i svoj kod s pravima root bez autentifikacije.\n<li class=\"l\"> CVE-2022-23123 \u2014 nedostatak provjere ulaznih podataka u metodi getdirparams(), \u0161to dovodi do \u010ditanja izvan dodijeljenog predmemorijskog prostora. Ova ranjivost omogu\u0107uje udaljenom napada\u010du da do\u0111e do curenja informacija iz memorije procesa bez autentifikacije.       <\/ul>\n<p>Izvor: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=58129\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 Netatalk, \u0441\u0435\u0440\u0432\u0435\u0440\u0435 \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432 AppleTalk \u0438 Apple Filing Protocol (AFP), \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u043e \u0448\u0435\u0441\u0442\u044c \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0438\u0440\u0443\u0435\u043c\u044b\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0445 \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0441\u0432\u043e\u0435\u0433\u043e \u043a\u043e\u0434\u0430 \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 root \u0447\u0435\u0440\u0435\u0437 \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0443 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u044b\u0445 \u043f\u0430\u043a\u0435\u0442\u043e\u0432. Netatalk \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u043c\u043d\u043e\u0433\u0438\u043c\u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f\u043c\u0438 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432 \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445 (NAS) \u0434\u043b\u044f \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f \u043e\u0431\u043c\u0435\u043d\u0430 \u0444\u0430\u0439\u043b\u0430\u043c\u0438 \u0438 \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a \u043f\u0440\u0438\u043d\u0442\u0435\u0440\u0430\u043c c \u043a\u043e\u043c\u043f\u044c\u044e\u0442\u0435\u0440\u043e\u0432 Apple, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u043b\u0441\u044f \u0432 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430\u0445 [&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-105610","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 Netatalk, \u0441\u0435\u0440\u0432\u0435\u0440\u0435 \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432 AppleTalk \u0438 Apple Filing Protocol (AFP), \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u043e \u0448\u0435\u0441\u0442\u044c \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e 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