{"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\/et\/blog\/news\/uyazvimosti-v-libc-i-ipv6-steke-freebsd","title":{"rendered":"Haavatavused libc ja FreeBSD IPv6-virnas","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>FreeBSD-s on k\u00f5rvaldatud mitu haavatavust, mis v\u00f5imaldavad kohalikel kasutajatel oma privileege s\u00fcsteemis t\u00f5sta:<\/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 haavatavus posix_spawnp mehhanismis, mida pakub libc protsesside loomiseks, mis on kasutatav, kui PATH keskkonnamuutuja v\u00e4\u00e4rtus on liiga suur. Haavatavus v\u00f5ib viia andmete kirjutamiseni m\u00e4luruumi, mis on eraldatud virnale, ja annab v\u00f5imaluse muuta j\u00e4rjestikku asuvate puhverside sisu kontrollitud v\u00e4\u00e4rtuseks.\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 haavatavus IPv6-st\u00e4kis, mis v\u00f5imaldab lokaalsetel kasutajatel korraldada oma koodi t\u00e4itmist tuumatasandil, manipuleerides IPV6_2292PKTOPTIONS valikuga v\u00f5rgu soketis.\n<li class=\"l\"> K\u00e4ivitatud <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.freebsd.org\/pipermail\/freebsd-announce\/2020-July\/001969.html\">kaks haavatavust<\/a><\/noindex> (CVE-2020-12662, CVE-2020-12663) tarnitavas DNS-serveris <noindex><a rel=\"nofollow\" href=\"https:\/\/nlnetlabs.nl\/projects\/unbound\">Unbound<\/a><\/noindex>, mis v\u00f5imaldavad kaugjuhtimise katkestuse teket pahatahtliku serveri kasutamise korral v\u00f5i kasutada DNS-serverit liikluse tugevdamiseks DDoS-r\u00fcnnakute k\u00e4ivitamiseks.\n<\/ul>\n<p>Lisaks on k\u00f5rvaldatud kolm mittejulgeoleku probleemi (errata), mis v\u00f5ivad p\u00f5hjustada tuuma kokkuvarisemise draiveri kasutamisel <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.freebsd.org\/pipermail\/freebsd-announce\/2020-July\/001967.html\">mps<\/a><\/noindex> (k\u00e4skluse sas2ircu t\u00e4itmisel), s\u00fcsteemi <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.freebsd.org\/pipermail\/freebsd-announce\/2020-July\/001966.html\">LinuxKPI<\/a><\/noindex> (X11 edastamisel) ja h\u00fcpervisoriga <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.freebsd.org\/pipermail\/freebsd-announce\/2020-July\/001965.html\">bhyve<\/a><\/noindex> (PCI-seadmete edastamisel).<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Allikas: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53317\">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\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 One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412\u043e 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