{"id":34976,"date":"2019-10-31T22:01:37","date_gmt":"2019-10-31T19:01:37","guid":{"rendered":"https:\/\/prohoster.info\/blog\/okolo-5-5-vyyavlyaemyh-uyazvimostej-ispolzuyutsya-dlya-osushhestvleniya-atak\/"},"modified":"2019-10-31T22:01:37","modified_gmt":"2019-10-31T19:01:37","slug":"okolo-5-5-vyyavlyaemyh-uyazvimostej-ispolzuyutsya-dlya-osushhestvleniya-atak","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/okolo-5-5-vyyavlyaemyh-uyazvimostej-ispolzuyutsya-dlya-osushhestvleniya-atak","title":{"rendered":"Circa il 5,5% delle vulnerabilit\u00e0 scoperte sono utilizzate per effettuare attacchi","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Un gruppo di ricercatori della Virginia Polytechnic Institute, insieme alle aziende Cyentia e RAND, <noindex><a rel=\"nofollow\" href=\"https:\/\/weis2019.econinfosec.org\/wp-content\/uploads\/sites\/6\/2019\/05\/WEIS_2019_paper_53.pdf\">ha pubblicato<\/a><\/noindex>  ha analizzato i rischi associati all'implementazione di diverse strategie di correzione delle vulnerabilit\u00e0. Esaminando 76.000 vulnerabilit\u00e0 identificate dal 2009 al 2018, \u00e8 emerso che solo 4.183 di esse (5,5%) sono state utilizzate per attacchi reali. La percentuale osservata \u00e8 cinque volte superiore alle precedenti stime pubblicate, che indicavano circa l'1,4% di problematiche sfruttate.<\/p>\n<p>Non \u00e8 stata trovata correlazione tra la pubblicazione di prototipi di exploit in accesso pubblico e i tentativi di sfruttare le vulnerabilit\u00e0. Di tutti i casi noti di sfruttamento delle vulnerabilit\u00e0, solo in met\u00e0 dei casi era stato pubblicato un prototipo di exploit per il problema in questione in fonti aperte. L'assenza di un prototipo di exploit non ferma gli attaccanti, che creano exploit autonomamente se necessario.<\/p>\n<p>Tra le altre conclusioni, si segnala la predominanza delle vulnerabilit\u00e0 ad alto rischio secondo la classificazione CVSS per quanto riguarda gli sfruttamenti. In quasi la met\u00e0 degli attacchi sono state utilizzate vulnerabilit\u00e0 con un punteggio di almeno 9. <\/p>\n<p> Il numero totale di prototipi di exploit pubblicati durante il periodo esaminato \u00e8 stimato in 9.726. I dati sugli exploit utilizzati nello studio sono stati raccolti da<br \/>\ncollezioni Exploit DB, Metasploit, D2 Security's Elliot Kit, Canvas Exploitation Framework, Contagio, Reversing Labs e Secureworks CTU.<br \/>\nLe informazioni sulle vulnerabilit\u00e0 sono state ottenute dalla base dati <noindex><a rel=\"nofollow\" href=\"https:\/\/nvd.nist.gov\/\">NIST NVD<\/a><\/noindex> (National Vulnerability Database). I dati sugli exploit sono stati riassunti sulla base delle informazioni fornite da FortiGuard Labs, SANS Internet Storm Center, Secureworks CTU, OSSIM di Alienvault e ReversingLabs.<\/p>\n<p>Lo studio \u00e8 stato condotto con l'obiettivo di determinare il miglior equilibrio tra l'implementazione degli aggiornamenti in caso di rilevamento di vulnerabilit\u00e0 e la risoluzione solo dei problemi pi\u00f9 pericolosi. Nel primo caso, si garantisce un'elevata efficacia della protezione, ma sono richieste ingenti risorse per la manutenzione dell'infrastruttura, che vengono principalmente impiegate per risolvere problemi non rilevanti. Nel secondo caso, c'\u00e8 un alto rischio di perdere una vulnerabilit\u00e0 che potrebbe essere sfruttata per un attacco. La ricerca ha mostrato che, nel prendere decisioni sull'installazione di aggiornamenti per correggere le vulnerabilit\u00e0, non ci si dovrebbe affidare all'assenza di un prototipo di exploit pubblicato e la possibilit\u00e0 di sfruttamento dipende direttamente dal livello di pericolosit\u00e0 della vulnerabilit\u00e0.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50812\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0413\u0440\u0443\u043f\u043f\u0430 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u0438\u0437 \u041f\u043e\u043b\u0438\u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0438\u0442\u0435\u0442\u0430 \u0412\u0438\u0440\u0433\u0438\u043d\u0438\u0438, \u0430 \u0442\u0430\u043a\u0436\u0435 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0439 Cyentia \u0438 RAND, \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u0430\u043d\u0430\u043b\u0438\u0437\u0430 \u0440\u0438\u0441\u043a\u043e\u0432 \u043f\u0440\u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0438 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u0441\u0442\u0440\u0430\u0442\u0435\u0433\u0438\u0439 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439. \u0418\u0437\u0443\u0447\u0438\u0432 76 \u0442\u044b\u0441\u044f\u0447 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u043d\u0430\u0439\u0434\u0435\u043d\u043d\u044b\u0445 \u0441 2009 \u043f\u043e 2018 \u0433\u043e\u0434, \u0431\u044b\u043b\u043e \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u043e, \u0447\u0442\u043e \u0442\u043e\u043b\u044c\u043a\u043e 4183 \u0438\u0437 \u043d\u0438\u0445 (5.5%) \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u043b\u0438\u0441\u044c \u0434\u043b\u044f \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u0435\u043d\u0438\u044f \u0440\u0435\u0430\u043b\u044c\u043d\u044b\u0445 \u0430\u0442\u0430\u043a. \u041f\u043e\u043b\u0443\u0447\u0435\u043d\u043d\u044b\u0439 \u043f\u043e\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044c \u0432 \u043f\u044f\u0442\u044c \u0440\u0430\u0437 \u043f\u0440\u0435\u0432\u044b\u0448\u0430\u0435\u0442 \u0440\u0430\u043d\u0435\u0435 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u043f\u0440\u043e\u0433\u043d\u043e\u0437\u044b, \u0432 [&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-34976","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=\"\u0413\u0440\u0443\u043f\u043f\u0430 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u0438\u0437 \u041f\u043e\u043b\u0438\u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0438\u0442\u0435\u0442\u0430 \u0412\u0438\u0440\u0433\u0438\u043d\u0438\u0438, \u0430 \u0442\u0430\u043a\u0436\u0435 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0439 Cyentia \u0438 RAND,\" \/>\n\t<meta name=\"robots\" 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