{"id":119753,"date":"2024-09-10T09:43:17","date_gmt":"2024-09-10T07:43:17","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimosti-vo-freebsd-pozvolyayushhie-povysit-svoi-privilegii-ili-obojti-izolyacziyu-gostevoj-sistemy"},"modified":"2024-09-10T09:43:17","modified_gmt":"2024-09-10T07:43:17","slug":"uyazvimosti-vo-freebsd-pozvolyayushhie-povysit-svoi-privilegii-ili-obojti-izolyacziyu-gostevoj-sistemy","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/uyazvimosti-vo-freebsd-pozvolyayushhie-povysit-svoi-privilegii-ili-obojti-izolyacziyu-gostevoj-sistemy","title":{"rendered":"Zranitelnosti v syst\u00e9mu FreeBSD, kter\u00e9 umo\u017e\u0148uj\u00ed zvy\u0161ov\u00e1n\u00ed opr\u00e1vn\u011bn\u00ed nebo obch\u00e1zen\u00ed izolace hostitelsk\u00e9ho syst\u00e9mu","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ve FreeBSD bylo odstran\u011bno n\u011bkolik zranitelnost\u00ed, kter\u00e9 umo\u017e\u0148uj\u00ed m\u00edstn\u00edmu u\u017eivateli zv\u00fd\u0161it sv\u00e1 opr\u00e1vn\u011bn\u00ed, vykon\u00e1vat k\u00f3d v kontextu j\u00e1dra nebo opustit izolovan\u00e9 prost\u0159ed\u00ed:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2024-43102 \u2014 z\u00e1vodn\u00ed podm\u00ednka v implementaci syst\u00e9mov\u00e9ho vol\u00e1n\u00ed _umtx_op m\u016f\u017ee b\u00fdt pou\u017eita k z\u00edsk\u00e1n\u00ed p\u0159\u00edstupu k ji\u017e uvoln\u011bn\u00e9 oblasti pam\u011bti (Use-After-Free) prost\u0159ednictv\u00edm sou\u010dasn\u00e9ho odesl\u00e1n\u00ed n\u011bkolika poddotaz\u016f UMTX_SHM_DESTROY. Potenci\u00e1ln\u00ed zranitelnost umo\u017e\u0148uje obej\u00edt omezen\u00ed mechanismu izolace Capsicum nebo prov\u00e9st k\u00f3d na \u00farovni j\u00e1dra. Zranitelnosti byla p\u0159i\u0159azena nejvy\u0161\u0161\u00ed \u00farove\u0148 nebezpe\u010d\u00ed (10 z 10). Probl\u00e9m byl odstran\u011bn v aktualizac\u00edch 14.1-RELEASE-p4, 14.0-RELEASE-p10 a 13.3-RELEASE-p6.\n<li class=\"l\"> CVE-2024-45287, CVE-2024-45288 \u2014 zranitelnosti v knihovn\u011b libnv, pou\u017e\u00edvan\u00e9 v j\u00e1d\u0159e a v u\u017eivatelsk\u00e9m prostoru pro zpracov\u00e1n\u00ed seznam\u016f ve form\u00e1tu kl\u00ed\u010d\/hodnota. Prvn\u00ed probl\u00e9m souvis\u00ed s p\u0159ete\u010den\u00edm typu, co\u017e vede k alokaci bufferu men\u0161\u00edho ne\u017e blok dat zapisovan\u00fd do bufferu. Druh\u00fd probl\u00e9m je zp\u016fsoben t\u00edm, \u017ee posledn\u00ed prvek pole nem\u00e1 ukon\u010duj\u00edc\u00ed nulov\u00fd znak, co\u017e umo\u017e\u0148uje z\u00e1pis za hranice alokovan\u00e9ho bufferu. Zranitelnost m\u016f\u017ee potenci\u00e1ln\u011b b\u00fdt vyu\u017eita pro zv\u00fd\u0161en\u00ed priviligia p\u0159eps\u00e1n\u00edm oblast\u00ed pam\u011bti ve syst\u00e9mov\u00fdch procesech nebo j\u00e1d\u0159e.\n<li class=\"l\"> CVE-2024-32668, CVE-2024-41928, CVE-2024-8178, CVE-2024-42416, CVE-2024-43110, CVE-2024-45063 \u2014 zranitelnosti v hypervisoru bhyve, kter\u00e9 umo\u017e\u0148uj\u00ed vykon\u00e1n\u00ed k\u00f3du v procesu b\u011b\u017e\u00edc\u00edm na stran\u011b hostitelsk\u00e9 syst\u00e9mu (obvykle s pr\u00e1vem root), b\u011bhem manipulace uvnit\u0159 hostitelsk\u00e9ho syst\u00e9mu s ovlada\u010di virtu\u00e1ln\u00edho USB \u0159adi\u010de (XHCI), TPM nebo ctl (emulace SCSI p\u0159es CAM Target Layer).\n<li class=\"l\"> CVE-2024-6119 \u2014 zranitelnost v OpenSSL, kter\u00e1 zp\u016fsobuje zhroucen\u00ed aplikac\u00ed p\u0159i kontrole speci\u00e1ln\u011b form\u00e1tovan\u00fdch jmen certifik\u00e1t\u016f X.509, zadan\u00fdch v poli otherName.  <\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61838\">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\u0434\u043d\u044f\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438, \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043a\u043e\u0434 \u0432 \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u0435 \u044f\u0434\u0440\u0430 \u0438\u043b\u0438 \u0432\u044b\u0439\u0442\u0438 \u0438\u0437 \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u044f: CVE-2024-43102 &#8212; \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0433\u043e\u043d\u043a\u0438 \u0432 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u043e\u0433\u043e \u0432\u044b\u0437\u043e\u0432\u0430 _umtx_op \u043c\u043e\u0436\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u044f \u043a \u0443\u0436\u0435 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0451\u043d\u043d\u043e\u0439 \u043e\u0431\u043b\u0430\u0441\u0442\u0438 \u043f\u0430\u043c\u044f\u0442\u0438 (Use-After-Free) \u0447\u0435\u0440\u0435\u0437 \u043e\u0434\u043d\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u0443\u044e \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0443 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u0445 \u043f\u043e\u0434\u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 UMTX_SHM_DESTROY. \u041f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043e\u0431\u043e\u0439\u0442\u0438 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u044f \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430 \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u0438 Capsicum [&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-119753","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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\u0434\u043d\u044f\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438, \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043a\u043e\u0434 \u0432 \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u0435 \u044f\u0434\u0440\u0430 \u0438\u043b\u0438 \u0432\u044b\u0439\u0442\u0438 \u0438\u0437 \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u044f: CVE-2024-43102 -.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/cs\/blog\/news\/uyazvimosti-vo-freebsd-pozvolyayushhie-povysit-svoi-privilegii-ili-obojti-izolyacziyu-gostevoj-sistemy\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c 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\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\u0434\u043d\u044f\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438, \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043a\u043e\u0434 \u0432 \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u0435 \u044f\u0434\u0440\u0430 \u0438\u043b\u0438 \u0432\u044b\u0439\u0442\u0438 \u0438\u0437 \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u044f: CVE-2024-43102 -.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/cs\/blog\/news\/uyazvimosti-vo-freebsd-pozvolyayushhie-povysit-svoi-privilegii-ili-obojti-izolyacziyu-gostevoj-sistemy\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-09-10T07:43:17+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-09-10T07:43:17+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Zranitelnosti ve FreeBSD, kter\u00e9 umo\u017e\u0148uj\u00ed zvy\u0161ov\u00e1n\u00ed opr\u00e1vn\u011bn\u00ed nebo obch\u00e1zen\u00ed izolace hostitelsk\u00e9ho syst\u00e9mu | ProHoster","description":"Ve FreeBSD bylo odstran\u011bno n\u011bkolik zranitelnost\u00ed, kter\u00e9 umo\u017e\u0148uj\u00ed m\u00edstn\u00edmu u\u017eivateli zv\u00fd\u0161it sv\u00e1 opr\u00e1vn\u011bn\u00ed, vykon\u00e1vat k\u00f3d v kontextu j\u00e1dra nebo opustit izolovan\u00e9 prost\u0159ed\u00ed: CVE-2024-43102 -.","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/uyazvimosti-vo-freebsd-pozvolyayushhie-povysit-svoi-privilegii-ili-obojti-izolyacziyu-gostevoj-sistemy","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"cs_CZ","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\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432\u043e FreeBSD, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438 \u0438\u043b\u0438 \u043e\u0431\u043e\u0439\u0442\u0438 \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u044e \u0433\u043e\u0441\u0442\u0435\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b | ProHoster","og:description":"\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\u0434\u043d\u044f\u0442\u044c \u0441\u0432\u043e\u0438 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0438, \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043a\u043e\u0434 \u0432 \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u0435 \u044f\u0434\u0440\u0430 \u0438\u043b\u0438 \u0432\u044b\u0439\u0442\u0438 \u0438\u0437 \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u044f: CVE-2024-43102 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