{"id":100637,"date":"2021-07-01T10:22:41","date_gmt":"2021-07-01T08:22:41","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-sistemy-obnaruzheniya-atak-suricata-s-ustraneniem-kriticheskoj-uyazvimosti"},"modified":"2021-07-01T10:22:41","modified_gmt":"2021-07-01T08:22:41","slug":"obnovlenie-sistemy-obnaruzheniya-atak-suricata-s-ustraneniem-kriticheskoj-uyazvimosti","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/obnovlenie-sistemy-obnaruzheniya-atak-suricata-s-ustraneniem-kriticheskoj-uyazvimosti","title":{"rendered":"Aggiornamento del sistema di rilevamento delle intrusioni Suricata con la correzione di una vulnerabilit\u00e0 critica","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

L'organizzazione OISF (Open Information Security Foundation) ha pubblicato versioni correttive del sistema di rilevamento e prevenzione delle intrusioni di rete Suricata 6.0.3 e 5.0.7, in cui \u00e8 stata corretta la vulnerabilit\u00e0 CVE-2021-35063, di livello critico. Il problema consente di eludere qualsiasi analisi e controllo di Suricata. <\/p>\n

La vulnerabilit\u00e0 \u00e8 causata dalla disabilitazione dell'analisi del flusso per i pacchetti con un valore ACK diverso da zero ma senza il bit ACK impostato, il che permetteva di avviare una sessione TCP con un pacchetto SYN con ACK diverso da zero per escludere l'intera connessione TCP dal controllo in Suricata. Pacchetti simili in Suricata venivano riconosciuti come errati e i gestori restituivano un codice di errore senza analizzare il contenuto.
\n
Fonte: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u044f OISF (Open Information Security Foundation) \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u0432\u044b\u043f\u0443\u0441\u043a\u0438 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u044f \u0438 \u043f\u0440\u0435\u0434\u043e\u0442\u0432\u0440\u0430\u0449\u0435\u043d\u0438\u044f \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u0432\u0442\u043e\u0440\u0436\u0435\u043d\u0438\u0439 Suricata 6.0.3 \u0438 5.0.7, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c CVE-2021-35063, \u0438\u043c\u0435\u044e\u0449\u0430\u044f \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0434\u0430\u0451\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043e\u0431\u043e\u0439\u0442\u0438 \u043b\u044e\u0431\u044b\u0435 \u0430\u043d\u0430\u043b\u0438\u0437\u0430\u0442\u043e\u0440\u044b \u0438 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 Suricata. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u043e\u0442\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435\u043c \u0430\u043d\u0430\u043b\u0438\u0437\u0430 \u043f\u043e\u0442\u043e\u043a\u0430 \u0434\u043b\u044f \u043f\u0430\u043a\u0435\u0442\u043e\u0432 \u0441 \u043d\u0435\u043d\u0443\u043b\u0435\u0432\u044b\u043c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435\u043c ACK, \u043d\u043e \u043d\u0435 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u043d\u044b\u043c \u0431\u0438\u0442\u043e\u043c ACK, \u0447\u0442\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u043b\u043e […]<\/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-100637","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\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\udd47Aggiornamento del sistema di rilevamento delle intrusioni Suricata con correzione di una vulnerabilit\u00e0 critica | ProHoster","description":"L'organizzazione OISF (Open Information Security Foundation) ha pubblicato versioni correttive del sistema di rilevamento e prevenzione delle intrusioni di rete Suricata 6.0.3 e 5.0.7, in cui \u00e8 stata corretta la 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