{"id":40546,"date":"2020-02-01T20:58:18","date_gmt":"2020-02-01T17:58:18","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/vo-freebsd-ustraneny-tri-uyazvimosti"},"modified":"2020-02-01T20:58:18","modified_gmt":"2020-02-01T17:58:18","slug":"vo-freebsd-ustraneny-tri-uyazvimosti","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/vo-freebsd-ustraneny-tri-uyazvimosti","title":{"rendered":"Risolte tre vulnerabilit\u00e0 in FreeBSD","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>In FreeBSD sono state corrette tre vulnerabilit\u00e0 che consentono di eseguire codice utilizzando libfetch, di inoltrare pacchetti IPsec o di accedere ai dati del kernel. I problemi sono stati risolti negli aggiornamenti 12.1-RELEASE-p2, 12.0-RELEASE-p13 e 11.3-RELEASE-p6. <\/p>\n<ul>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.freebsd.org\/pipermail\/freebsd-announce\/2020-January\/001924.html\">CVE-2020-7450<\/a><\/noindex> \u2014 overflow del buffer nella libreria libfetch, utilizzata per scaricare file nel comando fetch, nel gestore pacchetti pkg e in altre utility. La vulnerabilit\u00e0 pu\u00f2 portare all'esecuzione di codice durante l'elaborazione di un URL appositamente formattato. Un attacco pu\u00f2 essere effettuato accedendo a un sito controllato da un aggressore, che attraverso un redirect HTTP pu\u00f2 avviare l'elaborazione di un URL dannoso;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.freebsd.org\/pipermail\/freebsd-announce\/2020-January\/001926.html\">CVE-2019-15875<\/a><\/noindex> \u2014 vulnerabilit\u00e0 nel meccanismo di generazione dei core dump dei processi. A causa di un errore, nei core dump venivano registrati fino a 20 byte di dati dallo stack del kernel, nei quali poteva trovarsi potenzialmente informazioni riservate trattate dal kernel. Come soluzione alternativa, per proteggersi \u00e8 possibile disattivare la generazione dei file core tramite sysctl kern.coredump=0;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.freebsd.org\/pipermail\/freebsd-announce\/2020-January\/001925.html\">CVE-2019-5613<\/a><\/noindex> \u2014 errore nel codice di blocco della reinvio dei dati in IPsec permetteva di reinviare pacchetti precedentemente catturati. A seconda del protocollo di alto livello trasmesso sopra IPsec, il problema identificato consente, ad esempio, di reinviare comandi precedentemente trasmessi.\n<\/ul>\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=52277\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412\u043e FreeBSD \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0442\u0440\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043a\u043e\u0434 \u043f\u0440\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0438 libfetch, \u043f\u043e\u0432\u0442\u043e\u0440\u043d\u043e \u043e\u0442\u043f\u0440\u0430\u0432\u0438\u0442\u044c IPsec-\u043f\u0430\u043a\u0435\u0442\u044b \u0438\u043b\u0438 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u0434\u0430\u043d\u043d\u044b\u043c \u044f\u0434\u0440\u0430. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u044b \u0432 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f\u0445 12.1-RELEASE-p2, 12.0-RELEASE-p13 \u0438 11.3-RELEASE-p6. CVE-2020-7450 &#8212; \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0431\u0443\u0444\u0435\u0440\u0430 \u0432 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 libfetch, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0439 \u0434\u043b\u044f \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u0444\u0430\u0439\u043b\u043e\u0432 \u0432 \u043a\u043e\u043c\u0430\u043d\u0434\u0435 fetch, \u043f\u0430\u043a\u0435\u0442\u043d\u043e\u043c \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440\u0435 pkg \u0438 \u0434\u0440\u0443\u0433\u0438\u0445 \u0443\u0442\u0438\u043b\u0438\u0442\u0430\u0445. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044e \u043a\u043e\u0434\u0430 [&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":[],"tags":[],"class_list":["post-40546","post","type-post","status-publish","format-standard","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412\u043e FreeBSD \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0442\u0440\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043a\u043e\u0434 \u043f\u0440\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0438 libfetch, \u043f\u043e\u0432\u0442\u043e\u0440\u043d\u043e \u043e\u0442\u043f\u0440\u0430\u0432\u0438\u0442\u044c IPsec-\u043f\u0430\u043a\u0435\u0442\u044b \u0438\u043b\u0438 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u0434\u0430\u043d\u043d\u044b\u043c \u044f\u0434\u0440\u0430. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u044b \u0432 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f\u0445 12.1-RELEASE-p2, 12.0-RELEASE-p13 \u0438 11.3-RELEASE-p6. 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I problemi sono stati corretti negli aggiornamenti 12.1-RELEASE-p2, 12.0-RELEASE-p13 e 11.3-RELEASE-p6. CVE-2020-7450 - overflow del buffer nella libreria libfetch, utilizzata per scaricare file con il comando fetch, nel gestore di pacchetti pkg e in altre utility. La vulnerabilit\u00e0 pu\u00f2 portare all'esecuzione di codice.","canonical_url":"https:\/\/prohoster.info\/it\/blog\/vo-freebsd-ustraneny-tri-uyazvimosti","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"it_IT","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 \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0412\u043e FreeBSD \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0442\u0440\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 | ProHoster","og:description":"\u0412\u043e FreeBSD \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0442\u0440\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043a\u043e\u0434 \u043f\u0440\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0438 libfetch, \u043f\u043e\u0432\u0442\u043e\u0440\u043d\u043e \u043e\u0442\u043f\u0440\u0430\u0432\u0438\u0442\u044c IPsec-\u043f\u0430\u043a\u0435\u0442\u044b \u0438\u043b\u0438 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u0434\u0430\u043d\u043d\u044b\u043c \u044f\u0434\u0440\u0430. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u044b \u0432 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f\u0445 12.1-RELEASE-p2, 12.0-RELEASE-p13 \u0438 11.3-RELEASE-p6. 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