{"id":94397,"date":"2020-09-16T13:42:09","date_gmt":"2020-09-16T11:42:09","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-v-ftpd-iz-freebsd-pozvolyavshaya-poluchit-root-dostup-pri-ispolzovanii-ftpchroot"},"modified":"2020-09-16T13:42:09","modified_gmt":"2020-09-16T11:42:09","slug":"uyazvimost-v-ftpd-iz-freebsd-pozvolyavshaya-poluchit-root-dostup-pri-ispolzovanii-ftpchroot","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/news\/uyazvimost-v-ftpd-iz-freebsd-pozvolyavshaya-poluchit-root-dostup-pri-ispolzovanii-ftpchroot","title":{"rendered":"Nj\u00eb e keqe n\u00eb ftpd nga FreeBSD, e cila lejonte marrjen e aksesit root duke p\u00ebrdorur ftpchroot","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>N\u00eb serverin ftpd t\u00eb p\u00ebrfshir\u00eb n\u00eb FreeBSD <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/freebsd-announce@freebsd.org\/msg00994.html\">u zbulua<\/a><\/noindex> nj\u00eb e keqe kritike (CVE-2020-7468), e cila i jep mund\u00ebsin\u00eb p\u00ebrdoruesve, t\u00eb kufizuar n\u00eb katalogun e tyre t\u00eb sht\u00ebpis\u00eb p\u00ebrmes opsionit ftpchroot, t\u00eb marrin akses t\u00eb plot\u00eb root n\u00eb sistem. <\/p>\n<p>Problemi \u00ebsht\u00eb shkaktuar nga nj\u00eb kombinim i gabimit n\u00eb implementimin e mekanizmit t\u00eb izolimit t\u00eb p\u00ebrdoruesit p\u00ebrmes thirrjes chroot (n\u00eb rastet e d\u00ebshtimeve gjat\u00eb nd\u00ebrrimit t\u00eb uid ose ekzekutimit t\u00eb chroot dhe chdir, jepeshin gabime jo fatale, t\u00eb cilat nuk e nd\u00ebrpren\u00eb seanc\u00ebn) dhe dh\u00ebnies s\u00eb privilegjeve t\u00eb mjaftueshme p\u00ebr nj\u00eb p\u00ebrdorues t\u00eb autorizuar FTP p\u00ebr t\u00eb anashkaluar kufizimin e rrug\u00ebs kryesore n\u00eb sistemin e skedar\u00ebve. E keqja nuk shfaqet gjat\u00eb qasjes n\u00eb serverin FTP n\u00eb m\u00ebnyr\u00eb anonime ose me nj\u00eb hyrje t\u00eb plot\u00eb t\u00eb p\u00ebrdoruesit pa ftpchroot. Problemi \u00ebsht\u00eb zgjidhur n\u00eb p\u00ebrdit\u00ebsimet 12.1-RELEASE-p10, 11.4-RELEASE-p4 dhe 11.3-RELEASE-p14.<\/p>\n<p>P\u00ebrve\u00e7 k\u00ebsaj, mund t\u00eb theksohet se n\u00eb 12.1-RELEASE-p10, 11.4-RELEASE-p4 dhe 11.3-RELEASE-p14 jan\u00eb eliminuar edhe tri t\u00eb k\u00ebqija:<\/p>\n<ul>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/freebsd-announce@freebsd.org\/msg00992.html\">CVE-2020-7467<\/a><\/noindex> \u2014 nj\u00eb vulnerabilitet n\u00eb hipervizorin Bhyve, i cili lejon nga ambienti mysafir q\u00eb t\u00eb shkruaj\u00eb informacione n\u00eb fushat e memories t\u00eb ambientit mikprit\u00ebs dhe t\u00eb fitoj\u00eb qasje t\u00eb plot\u00eb n\u00eb sistemin e mikprit\u00ebsit. Problemi shkaktohet nga mungesa e kufizimeve t\u00eb qasjes n\u00eb instruksionet e procesorit q\u00eb punojn\u00eb me adresat fizike t\u00eb mikprit\u00ebsit dhe shfaqet vet\u00ebm n\u00eb sistemet me CPU AMD.\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/freebsd-announce@freebsd.org\/msg00993.html\">CVE-2020-24718<\/a><\/noindex> \u2014 nj\u00eb vulnerabilitet n\u00eb hipervizorin Bhyve, q\u00eb i lejon nj\u00eb sulmuesi me t\u00eb drejta root brenda ambjenteve t\u00eb izoluara nga Bhyve t\u00eb ekzekutoj\u00eb kod n\u00eb nivelin e b\u00ebrtham\u00ebs. Problemi shkaktohet nga mungesa e nj\u00eb kufizimi t\u00eb duhur t\u00eb qasjes n\u00eb strukturat VMCS (Struktura e Kontrollit t\u00eb Makines Virtuale) n\u00eb sistemet me CPU Intel dhe VMCB (Virtual)<br \/>\nCVE-2020-7464<\/p>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/freebsd-announce@freebsd.org\/msg00991.html\">\u2014 nj\u00eb e keqe n\u00eb pilotin ure (USB Ethernet Realtek RTL8152 dhe RTL8153), e cila lejon, p\u00ebrmes d\u00ebrgimit t\u00eb kornizave t\u00eb m\u00ebdha (m\u00eb shum\u00eb se 2048), t\u00eb realizohet spofing i paketimeve nga hoste t\u00eb tjer\u00eb ose t\u00eb kryhen z\u00ebvend\u00ebsime paketesh n\u00eb VLAN t\u00eb tjera.<\/a><\/noindex> \u2014 nj\u00eb vulnerabilitet n\u00eb driverin ure (USB Ethernet Realtek RTL8152 dhe RTL8153), q\u00eb lejon p\u00ebrmes d\u00ebrgimit t\u00eb kadronve t\u00eb m\u00ebdha (m\u00eb shum\u00eb se 2048) t\u00eb kryej\u00eb spufing packetesh nga hoste t\u00eb tjer\u00eb ose t\u00eb realizoj\u00eb z\u00ebvend\u00ebsimin e paketave n\u00eb VLAN t\u00eb tjera.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Burimi: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53720\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u043c\u043e\u043c \u0432 \u0441\u043e\u0441\u0442\u0430\u0432\u0435 FreeBSD \u0441\u0435\u0440\u0432\u0435\u0440\u0435 ftpd \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2020-7468), \u0434\u0430\u044e\u0449\u0430\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f\u043c, \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u043d\u044b\u043c \u0441\u0432\u043e\u0438\u043c \u0434\u043e\u043c\u0430\u0448\u043d\u0438\u043c \u043a\u0430\u0442\u0430\u043b\u043e\u0433\u043e\u043c \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u043e\u043f\u0446\u0438\u0438 ftpchroot, \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u043f\u043e\u043b\u043d\u044b\u0439 root-\u0434\u043e\u0441\u0442\u0443\u043f \u043a \u0441\u0438\u0441\u0442\u0435\u043c\u0435. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u0441\u043e\u0447\u0435\u0442\u0430\u043d\u0438\u0435\u043c \u043e\u0448\u0438\u0431\u043a\u0438 \u0432 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430 \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u0438 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u0432\u044b\u0437\u043e\u0432\u0430 chroot (\u043f\u0440\u0438 \u0441\u0431\u043e\u044f\u0445 \u0432 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0435 \u0441\u043c\u0435\u043d\u044b uid \u0438\u043b\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f chroot \u0438 chdir \u0432\u044b\u0434\u0430\u0432\u0430\u043b\u0430\u0441\u044c \u043d\u0435\u0444\u0430\u0442\u0430\u043b\u044c\u043d\u0430\u044f \u043e\u0448\u0438\u0431\u043a\u0430, \u043d\u0435 [&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-94397","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 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