{"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\/it\/blog\/news\/kriticheskie-uyazvimosti-v-netatalk-privodyashhie-k-udalyonnomu-vypolneniyu-koda","title":{"rendered":"Vulnerabilit\u00e0 critiche in Netatalk che portano all'esecuzione remota di codice","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>In Netatalk, un server con implementazione dei protocolli di rete AppleTalk e Apple Filing Protocol (AFP), sono state individuate sei vulnerabilit\u00e0 sfruttabili da remoto che permettono di eseguire codice con privilegi di root tramite l'invio di pacchetti appositamente formattati. Netatalk \u00e8 utilizzato da molti produttori di dispositivi di archiviazione dati (NAS) per facilitare lo scambio di file e l'accesso alle stampanti dai computer Apple, ed \u00e8 stato impiegato in dispositivi Western Digital (il problema \u00e8 stato risolto rimuovendo Netatalk dai firmware WD). Netatalk \u00e8 anche parte di molte distribuzioni, inclusi OpenWRT (rimosso a partire dalla branch OpenWrt 22.03), Debian, Ubuntu, SUSE, Fedora e FreeBSD, ma non \u00e8 utilizzato per impostazione predefinita. I problemi sono stati risolti nella versione 3.1.13 di Netatalk.    <\/p>\n<p>Problemi riscontrati:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2022-0194 \u2014 mancanza di un'adeguata verifica delle dimensioni dei dati esterni nella funzione ad_addcomment(), prima della copia in un buffer fisso. Questa vulnerabilit\u00e0 consente a un attaccante remoto di eseguire il proprio codice con i diritti di root senza autenticazione.\n<li class=\"l\"> CVE-2022-23121 \u2014 gestione errata degli errori nella funzione parse_entries(), che si verifica durante l'analisi delle registrazioni AppleDouble. Questa vulnerabilit\u00e0 consente a un attaccante remoto di eseguire il proprio codice con i diritti di root senza autenticazione.\n<li class=\"l\"> CVE-2022-23122 \u2014 assenza di un'adeguata verifica delle dimensioni dei dati esterni nella funzione setfilparams(), prima della copia in un buffer fisso. Questa vulnerabilit\u00e0 consente a un attaccante remoto di eseguire il proprio codice con i diritti di root senza autenticazione.\n<li class=\"l\"> CVE-2022-23124 \u2014 mancanza di una corretta verifica dei dati di ingresso nel metodo get_finderinfo(), che porta alla lettura oltre l'area di memoria allocata. Questa vulnerabilit\u00e0 consente a un attaccante remoto di ottenere accesso ai dati di processo. Combinata con altre vulnerabilit\u00e0, l'errore pu\u00f2 anche essere sfruttato per eseguire codice con i diritti di root.\n<li class=\"l\"> CVE-2022-23125 \u2014 assenza di verifica delle dimensioni durante l'analisi dell'elemento \u00ablen\u00bb nella funzione copyapplfile(), prima della copia dei dati in un buffer fisso. Questa vulnerabilit\u00e0 consente a un attaccante remoto di eseguire il proprio codice con i diritti di root senza autenticazione.\n<li class=\"l\"> CVE-2022-23123 \u2014 mancanza di verifica dei dati in ingresso nel metodo getdirparams(), che porta alla lettura oltre l'area di memoria allocata. Questa vulnerabilit\u00e0 consente a un attaccante remoto di ottenere accesso ai dati di processo senza autenticazione.       <\/ul>\n<p>Fonte: <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 5.0.1.1 - 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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