{"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\/hu\/blog\/news\/kriticheskie-uyazvimosti-v-netatalk-privodyashhie-k-udalyonnomu-vypolneniyu-koda","title":{"rendered":"Kritikus sebezhet\u0151s\u00e9gek a Netatalkban, amelyek t\u00e1voli k\u00f3dv\u00e9grehajt\u00e1sra vezetnek","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>A Netatalk, az AppleTalk \u00e9s Az Apple Filing Protocol (AFP) h\u00e1l\u00f3zati protokollok megval\u00f3s\u00edt\u00e1s\u00e1val rendelkez\u0151 szerveren hat t\u00e1volr\u00f3l kihaszn\u00e1lhat\u00f3 sebezhet\u0151s\u00e9get fedeztek fel, amelyek lehet\u0151v\u00e9 teszik, hogy a t\u00e1mad\u00f3 saj\u00e1t k\u00f3dj\u00e1t root jogosults\u00e1gokkal hajtsa v\u00e9gre, speci\u00e1lisan kialak\u00edtott csomagok k\u00fcld\u00e9s\u00e9vel. A Netatalk-ot sz\u00e1mos t\u00e1rol\u00f3eszk\u00f6z gy\u00e1rt\u00f3ja (NAS) haszn\u00e1lja f\u00e1jlok cser\u00e9j\u00e9re \u00e9s nyomtat\u00f3k el\u00e9r\u00e9s\u00e9re Apple sz\u00e1m\u00edt\u00f3g\u00e9pekr\u0151l, p\u00e9ld\u00e1ul a Western Digital eszk\u00f6zeiben haszn\u00e1lt\u00e1k (a probl\u00e9ma megold\u00f3dott a Netatalk elt\u00e1vol\u00edt\u00e1s\u00e1val a WD firmware-b\u00f3l). A Netatalk sz\u00e1mos disztrib\u00faci\u00f3 r\u00e9sze, bele\u00e9rtve az OpenWRT-t (elt\u00e1vol\u00edtva az OpenWrt 22.03 \u00e1ga \u00f3ta), Debian-t, Ubuntu-t, SUSE-t, Fedora-t \u00e9s FreeBSD-t, de alap\u00e9rtelmez\u00e9s szerint nem haszn\u00e1lj\u00e1k. A probl\u00e9m\u00e1kat a Netatalk 3.1.13 verzi\u00f3j\u00e1ban orvosolt\u00e1k.    <\/p>\n<p>Az azonos\u00edtott probl\u00e9m\u00e1k:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2022-0194 \u2014 k\u00fcls\u0151 adatok m\u00e9ret\u00e9nek helyes ellen\u0151rz\u00e9s\u00e9nek hi\u00e1nya az ad_addcomment() f\u00fcggv\u00e9nyben, miel\u0151tt azokat egy r\u00f6gz\u00edtett pufferbe m\u00e1soln\u00e1k. A s\u00e9r\u00fcl\u00e9kenys\u00e9g lehet\u0151v\u00e9 teszi a t\u00e1voli t\u00e1mad\u00f3 sz\u00e1m\u00e1ra, hogy hiteles\u00edt\u00e9s n\u00e9lk\u00fcl, root jogokkal hajtson v\u00e9gre k\u00f3dot.\n<li class=\"l\"> CVE-2022-23121 \u2014 a parse_entries() f\u00fcggv\u00e9nyben fell\u00e9p\u0151 hib\u00e1k helytelen kezel\u00e9se az AppleDouble bejegyz\u00e9sek elemz\u00e9se sor\u00e1n. A s\u00e9r\u00fcl\u00e9kenys\u00e9g lehet\u0151v\u00e9 teszi a t\u00e1voli t\u00e1mad\u00f3 sz\u00e1m\u00e1ra, hogy hiteles\u00edt\u00e9s n\u00e9lk\u00fcl, root jogokkal hajtson v\u00e9gre k\u00f3dot.\n<li class=\"l\"> CVE-2022-23122 \u2014 a setfilparams() f\u00fcggv\u00e9nyben a k\u00fcls\u0151 adatok m\u00e9ret\u00e9nek helyes ellen\u0151rz\u00e9s\u00e9nek hi\u00e1nya, miel\u0151tt azokat egy r\u00f6gz\u00edtett pufferbe m\u00e1soln\u00e1k. A s\u00e9r\u00fcl\u00e9kenys\u00e9g lehet\u0151v\u00e9 teszi a t\u00e1voli t\u00e1mad\u00f3 sz\u00e1m\u00e1ra, hogy hiteles\u00edt\u00e9s n\u00e9lk\u00fcl, root jogokkal hajtson v\u00e9gre k\u00f3dot.\n<li class=\"l\"> CVE-2022-23124 \u2014 a get_finderinfo() met\u00f3dusban a bemeneti adatok helyes ellen\u0151rz\u00e9s\u00e9nek hi\u00e1nya, amely a lefoglal\u00e1s ter\u00fclet\u00e9n t\u00fali olvas\u00e1sra vezet. A s\u00e9r\u00fcl\u00e9kenys\u00e9g lehet\u0151v\u00e9 teszi a t\u00e1voli t\u00e1mad\u00f3 sz\u00e1m\u00e1ra, hogy hiteles\u00edt\u00e9s n\u00e9lk\u00fcl \u00e9rz\u00e9keny adatokat sziv\u00e1rogtasson ki a folyamat mem\u00f3ri\u00e1j\u00e1b\u00f3l. M\u00e1s s\u00e9r\u00fcl\u00e9kenys\u00e9gekkel egy\u00fctt a hiba k\u00f3d root jogokkal t\u00f6rt\u00e9n\u0151 v\u00e9grehajt\u00e1s\u00e1ra is felhaszn\u00e1lhat\u00f3.\n<li class=\"l\"> CVE-2022-23125 \u2014 a copyapplfile() f\u00fcggv\u00e9nyben a len elem m\u00e9ret\u00e9nek elemz\u00e9sekor hi\u00e1nyz\u00f3 ellen\u0151rz\u00e9s, miel\u0151tt az adatokat egy r\u00f6gz\u00edtett pufferbe m\u00e1soln\u00e1k. A s\u00e9r\u00fcl\u00e9kenys\u00e9g lehet\u0151v\u00e9 teszi a t\u00e1voli t\u00e1mad\u00f3 sz\u00e1m\u00e1ra, hogy hiteles\u00edt\u00e9s n\u00e9lk\u00fcl, root jogokkal hajtson v\u00e9gre k\u00f3dot.\n<li class=\"l\"> CVE-2022-23123 \u2014 a getdirparams() met\u00f3dusban a bej\u00f6v\u0151 adatok ellen\u0151rz\u00e9s\u00e9nek hi\u00e1nya, amely a lefoglal\u00e1s ter\u00fclet\u00e9n t\u00fali olvas\u00e1sra vezet. A s\u00e9r\u00fcl\u00e9kenys\u00e9g lehet\u0151v\u00e9 teszi a t\u00e1voli t\u00e1mad\u00f3 sz\u00e1m\u00e1ra, hogy hiteles\u00edt\u00e9s n\u00e9lk\u00fcl \u00e9rz\u00e9keny adatokat sziv\u00e1rogtasson ki a folyamat mem\u00f3ri\u00e1j\u00e1b\u00f3l.       <\/ul>\n<p>Forr\u00e1s: <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 5.0.3 - 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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h\u00e1l\u00f3zati protokolljainak megval\u00f3s\u00edt\u00e1s\u00e1t v\u00e9gz\u0151 szerver, hat t\u00e1volr\u00f3l kihaszn\u00e1lhat\u00f3 sebezhet\u0151s\u00e9get tal\u00e1lhat\u00f3, amelyek lehet\u0151v\u00e9 teszik a t\u00e1mad\u00f3k sz\u00e1m\u00e1ra, hogy root jogosults\u00e1gokkal v\u00e9grehajts\u00e1k a saj\u00e1t k\u00f3djukat.","canonical_url":"https:\/\/prohoster.info\/hu\/blog\/news\/kriticheskie-uyazvimosti-v-netatalk-privodyashhie-k-udalyonnomu-vypolneniyu-koda","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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