{"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\/hr\/blog\/news\/uyazvimosti-vo-freebsd-pozvolyayushhie-povysit-svoi-privilegii-ili-obojti-izolyacziyu-gostevoj-sistemy","title":{"rendered":"Ranljivosti u FreeBSD-u koje omogu\u0107uju pove\u0107anje privilegija ili zaobila\u017eenje izolacije gostuju\u0107eg sustava","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>U FreeBSD-u su ispravljene brojne ranjivosti koje omogu\u0107uju lokalnom korisniku da pove\u0107a svoja prava, izvr\u0161i kod u kontekstu jezgre ili iza\u0111e iz izoliranog okru\u017eenja:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2024-43102 \u2014 stanje utrke u implementaciji sistemskog poziva _umtx_op mo\u017ee se iskoristiti za pristup ve\u0107 oslobo\u0111enom podru\u010dju memorije (Use-After-Free) putem simultanog slanja nekoliko podupita UMTX_SHM_DESTROY. Potencijalno, ranjivost omogu\u0107ava zaobila\u017eenje ograni\u010denja mehanizma izolacije Capsicum ili omogu\u0107ava izvr\u0161avanje koda na razini jezgre. Ranjivost je dobila najvi\u0161i nivo opasnosti (10 od 10). Problem je re\u0161en u a\u017euriranjima 14.1-RELEASE-p4, 14.0-RELEASE-p10 i 13.3-RELEASE-p6.\n<li class=\"l\"> CVE-2024-45287, CVE-2024-45288 \u2014 ranjivosti u biblioteci libnv, koja se koristi u jezgru i u korisni\u010dkom prostoru za obradu lista u formatu klju\u010d\/vrednost. Prvi problem je povezan sa prelivanjem celobrojnih vrednosti, \u0161to dovodi do alokacije bafera manjih dimenzija od onih koje se upisuju. Drugi problem uzrokovan je nepostavljanjem zavr\u0161nog nultog karaktera u poslednjem elementu niza, \u0161to omogu\u0107ava upis izvan alokacije bafera. Ranjivost se potencijalno mo\u017ee iskoristiti za pove\u0107anje privilegija prepisivanjem podru\u010dja memorije u sistemskim procesima ili jezgru.\n<li class=\"l\"> CVE-2024-32668, CVE-2024-41928, CVE-2024-8178, CVE-2024-42416, CVE-2024-43110, CVE-2024-45063 \u2014 ranjivosti u hipervizoru bhyve, koje omogu\u0107avaju izvr\u0161avanje koda u procesu koji se izvr\u0161ava na strani host sistema (obi\u010dno sa pravima root), prilikom manipulacija unutar gostuju\u0107e sistemske okoline sa drajverima virtuelnog USB kontrolera (XHCI), TPM ili ctl (emulacija SCSI putem CAM Target Layer).\n<li class=\"l\"> CVE-2024-6119 \u2014 ranjivost u OpenSSL, koja dovodi do neuspeha aplikacija prilikom provere posebno oblikovanih imena sertifikata X.509, navedenih u polju otherName.  <\/ul>\n<p>Izvor: <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 5.0.4 - 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