{"id":87780,"date":"2020-07-10T01:42:17","date_gmt":"2020-07-09T23:42:17","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimosti-v-libc-i-ipv6-steke-freebsd"},"modified":"2020-07-10T01:42:17","modified_gmt":"2020-07-09T23:42:17","slug":"uyazvimosti-v-libc-i-ipv6-steke-freebsd","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/uyazvimosti-v-libc-i-ipv6-steke-freebsd","title":{"rendered":"Vulnerabilit\u0103\u021bi \u00een libc \u0219i \u00een stiva IPv6 a FreeBSD","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u00cen FreeBSD au fost remediate mai multe vulnerabilit\u0103\u021bi care permit utilizatorilor locali s\u0103 \u00ee\u0219i creasc\u0103 privilegii \u00een sistem:<\/p>\n<ul>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.freebsd.org\/pipermail\/freebsd-announce\/2020-July\/001968.html\">CVE-2020-7458<\/a><\/noindex> \u2014 o vulnerabilitate \u00een mecanismul posix_spawnp, oferit \u00een libc pentru crearea de procese, exploatat\u0103 prin specificarea unei valori prea mari \u00een variabila de mediu PATH. Vulnerabilitatea poate duce la scrierea de date dincolo de zona de memorie rezervat\u0103 pentru stiv\u0103 \u0219i permite rescrierea con\u021binutului buferelor adiacente cu o valoare controlat\u0103.\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.freebsd.org\/pipermail\/freebsd-announce\/2020-July\/001970.html\">CVE-2020-7457<\/a><\/noindex> \u2014 o vulnerabilitate \u00een stiva IPv6, care permite unui utilizator local s\u0103 organizeze execu\u021bia propriului cod la nivel de kernel prin manipul\u0103ri folosind op\u021biunea IPV6_2292PKTOPTIONS pentru un socket de re\u021bea.\n<li class=\"l\"> Corectate <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.freebsd.org\/pipermail\/freebsd-announce\/2020-July\/001969.html\">dou\u0103 vulnerabilit\u0103\u021bi<\/a><\/noindex> (CVE-2020-12662, CVE-2020-12663) \u00een serverul DNS inclus \u00een livrare <noindex><a rel=\"nofollow\" href=\"https:\/\/nlnetlabs.nl\/projects\/unbound\">Unbound<\/a><\/noindex>, care permit provocarea unui refuz de serviciu la distan\u021b\u0103 atunci c\u00e2nd se comunic\u0103 cu un server controlat de atacator sau folosirea serverului DNS ca amplificator de trafic \u00een atacuri DDoS.\n<\/ul>\n<p>\u00cen plus, au fost remediate trei probleme nerelevante pentru securitate (errata) care pot duce la crash-ul kernel-ului \u00een timpul utiliz\u0103rii driverului <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.freebsd.org\/pipermail\/freebsd-announce\/2020-July\/001967.html\">mps<\/a><\/noindex> (la executarea comenzii sas2ircu), subsistemului <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.freebsd.org\/pipermail\/freebsd-announce\/2020-July\/001966.html\">LinuxKPI<\/a><\/noindex> (la redirec\u021bionarea X11) \u0219i hipervizorului <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.freebsd.org\/pipermail\/freebsd-announce\/2020-July\/001965.html\">bhyve<\/a><\/noindex> (la trecerea PCI-device-urilor).<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Sursa: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53317\">opennet.ro<\/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\u043e \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0445 \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e\u043c\u0443 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044e \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435: CVE-2020-7458 &#8212; \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0435 posix_spawnp, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u043c\u043e\u043c \u0432 libc \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0432, \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0438\u0440\u0443\u0435\u043c\u0430\u044f \u0447\u0435\u0440\u0435\u0437 \u0443\u043a\u0430\u0437\u0430\u043d\u0438\u0435 \u0441\u043b\u0438\u0448\u043a\u043e\u043c \u0431\u043e\u043b\u044c\u0448\u043e\u0433\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0432 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439 \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u0438 PATH. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u0437\u0430\u043f\u0438\u0441\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 \u0437\u0430 \u043f\u0440\u0435\u0434\u0435\u043b\u044b \u043e\u0431\u043b\u0430\u0441\u0442\u0438 \u043f\u0430\u043c\u044f\u0442\u0438, \u0432\u044b\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u0439 \u043f\u043e\u0434 \u0441\u0442\u0435\u043a, \u0438 \u0434\u0430\u0451\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043f\u0435\u0440\u0435\u043f\u0438\u0441\u0430\u0442\u044c \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0435 \u0440\u0430\u0441\u043f\u043e\u043b\u043e\u0436\u0435\u043d\u043d\u044b\u0445 \u0441\u043b\u0435\u0434\u043e\u043c [&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-87780","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in 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