{"id":121341,"date":"2025-01-15T03:45:59","date_gmt":"2025-01-15T01:45:59","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-rsync-3-4-0-ustraneny-uyazvimosti-pozvolyavshie-vypolnit-kod-na-servere-i-kliente"},"modified":"2025-01-15T03:45:59","modified_gmt":"2025-01-15T01:45:59","slug":"v-rsync-3-4-0-ustraneny-uyazvimosti-pozvolyavshie-vypolnit-kod-na-servere-i-kliente","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/v-rsync-3-4-0-ustraneny-uyazvimosti-pozvolyavshie-vypolnit-kod-na-servere-i-kliente","title":{"rendered":"Rsync 3.4.0-s on k\u00f5rvaldavad haavatavused, mis v\u00f5imaldasid k\u00e4ivitada koodi serveris ja kliendis.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>K\u00e4ideti file edastamise utiliidile Rsync 3.4.0, mis k\u00f5rvaldab kuus haavatavust. Haavatavuste kombinatsioon CVE-2024-12084 ja CVE-2024-12085 v\u00f5imaldab kliendil saavutada oma koodi t\u00e4itmise serveris. R\u00fcnnaku sooritamiseks piisab anon\u00fc\u00fcmsest \u00fchendusest Rsync serveriga, millel on lugemis\u00f5igus. N\u00e4iteks v\u00f5ib r\u00fcnnak toimuda erinevate jaotuste ja projektide peeglite vastu, mis pakuvad v\u00f5imalust lae alla kooste l\u00e4bi Rsync. Probleem puudutab ka erinevaid failide s\u00fcnkroonimise ja varundamise rakendusi, mis kasutavad Rsync-i tagaplaanina, nagu Rclone, DeltaCopy ja ChronoSync.    <\/p>\n<p>\u00dchtlasi, haavatavuse ekspluateerimise korral <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/server\/dts-newyork\/\"   title=\"serveris\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2736\">serveris<\/a> saab r\u00fcndaja korraldada r\u00fcnnaku serverisse \u00fchenduvate klientide vastu ja saavutada arbitraarseid failide lugemist v\u00f5i kirjutamist nende s\u00fcsteemis, nii palju kui seda v\u00f5imaldavad rsynci protsessi juurdep\u00e4\u00e4su \u00f5igused. N\u00e4iteks v\u00f5ib luua pahatahtlikke rsync-<a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/server\/\"   title=\"serverid\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1681\">serverid<\/a> failide kaudu SSH- v\u00f5tmete laadimise v\u00f5i koodi t\u00e4itmise, kirjutades \u00fcle sellised failid nagu ~\/.bashrc ja ~\/.popt.      <\/p>\n<p>Uuenduste lihtsustamiseks uuele versioonile Rsync, t\u00f5steti protokolli versiooni number Rsync 3.4.0-s 32-le. Uuenduste ilmumist jaotustes saab j\u00e4lgida j\u00e4rgmiste lehtede kaudu: Debian, Ubuntu, RHEL, SUSE\/openSUSE, Fedora, Arch, FreeBSD.       <\/p>\n<p>Tuletatud haavatavused:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2024-12084 \u2014 pufferi \u00fcletamine vale kontrollsummaga, mille suurus \u00fcletab 16 bitti.\n<li class=\"l\"> CVE-2024-12085 \u2014 mitteinitsialiseeritud andmete lekkimine virnast (\u00fche bitti kaupa) vale suurusega kontrollsummade v\u00f5rdlemise k\u00e4igus.\n<li class=\"l\"> CVE-2024-12086 \u2014 serveri ligip\u00e4\u00e4s kliendi s\u00fcsteemi juhuslike failide sisule, genereerides vale suhtluse tokenite ja kontrollsummade kaudu failide kopeerimise protsessis kliendilt serverisse (sisu m\u00e4\u00e4ramine bitti kaupa kontrollsummade p\u00f5hi j\u00e4rgi).\n<li class=\"l\"> CVE-2024-12087 \u2014 baasv\u00f5tme kataloogist v\u00e4ljaj\u00f5udmine valiku kasutamisel \u00ab--inc-recursive\u00bb (mis on vaikimisi sisse l\u00fclitatud paljudele lippudele). Haavatavus on tingitud puudulikest symboliliste linkide kontrollidest, mis v\u00f5imaldavad failide kirjutamist v\u00e4ljapoole kliendi m\u00e4\u00e4ratud sihtkatalooge. R\u00fcndajale allutatud server v\u00f5ib kasutada haavatavust r\u00fcnnakuks \u00fchendunud kliendi s\u00fcsteemi vastu.\n<li class=\"l\"> CVE-2024-12088 \u2014 vale symboliliste linkide kontroll, mis osutab muudele symbolilistele linkidele, kasutades valikut \u00ab--safe-links\u00bb. Probleem v\u00f5imaldab j\u00e4tta baasv\u00f5tme kataloogist v\u00e4lja ja kirjutada andmeid mis tahes faili s\u00fcsteemis, kui see on juurdep\u00e4\u00e4su \u00f5igustega lubatud.\n<li class=\"l\"> CVE-2024-12747 \u2014 v\u00f5istlusolukord symboliliste linkide kasutamisel, mis v\u00f5imaldab kasutajal oma \u00f5igusi suurendada ja saada ligip\u00e4\u00e4s privileeritud failidele serveris.    <\/ul>\n<p>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62557\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0443\u0442\u0438\u043b\u0438\u0442\u044b \u0434\u043b\u044f \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0444\u0430\u0439\u043b\u043e\u0432 Rsync 3.4.0, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e \u0448\u0435\u0441\u0442\u044c \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439. \u041a\u043e\u043c\u0431\u0438\u043d\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 CVE-2024-12084 \u0438 CVE-2024-12085 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043a\u043b\u0438\u0435\u043d\u0442\u0443 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0441\u0432\u043e\u0435\u0433\u043e \u043a\u043e\u0434\u0430 \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u0435. \u0414\u043b\u044f \u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u0438\u044f \u0430\u0442\u0430\u043a\u0438 \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u0430\u043d\u043e\u043d\u0438\u043c\u043d\u043e\u0433\u043e \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u043a \u0441\u0435\u0440\u0432\u0435\u0440\u0443 Rsync \u0441 \u0434\u043e\u0441\u0442\u0443\u043f\u043e\u043c \u043d\u0430 \u0447\u0442\u0435\u043d\u0438\u0435. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0430\u0442\u0430\u043a\u0430 \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u0430 \u043d\u0430 \u0437\u0435\u0440\u043a\u0430\u043b\u0430 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u043e\u0432 \u0438 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0445 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u0441\u0431\u043e\u0440\u043e\u043a \u0447\u0435\u0440\u0435\u0437 [&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-121341","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=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0443\u0442\u0438\u043b\u0438\u0442\u044b \u0434\u043b\u044f \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0444\u0430\u0439\u043b\u043e\u0432 Rsync 3.4.0, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e \u0448\u0435\u0441\u0442\u044c \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439.\" 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