{"id":120895,"date":"2024-12-08T21:46:03","date_gmt":"2024-12-08T19:46:03","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimosti-pozvolyayushhie-podmenit-obrazy-i-vypolnit-kod-na-asu-serverah-proekta-openwrt"},"modified":"2024-12-08T21:46:03","modified_gmt":"2024-12-08T19:46:03","slug":"uyazvimosti-pozvolyayushhie-podmenit-obrazy-i-vypolnit-kod-na-asu-serverah-proekta-openwrt","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/uyazvimosti-pozvolyayushhie-podmenit-obrazy-i-vypolnit-kod-na-asu-serverah-proekta-openwrt","title":{"rendered":"Haavatavused, mis v\u00f5imaldavad asendada pildid ja k\u00e4ivitada koodi OpenWrt projekti ASU-serverites.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Arendatav OpenWrt projektis ASU (Attended SysUpgrade) on tuvastatud kriitilised haavatavused (CVE-2024-54143), mis v\u00f5ivad kompromiteerida koostamisartefakte, mis jagatakse teenuse kaudu sysupgrade.openwrt.org v\u00f5i kolmandate osapoolte ASU-serverite kaudu, ning v\u00f5imaldavad r\u00fcndajal installida modifitseeritud pahalaste poolt loodud tarkvarauuendusi kasutajate s\u00fcsteemidesse, kes kasutavad firmware'ide uuendamiseks re\u017eiimi &#171;attended upgrade&#187; veebiliidese kaudu selector.openwrt.org v\u00f5i k\u00e4surea t\u00f6\u00f6riista attended.sysupgrade.     <\/p>\n<p>R\u00fcnnaku edukaks l\u00e4biviimiseks piisab r\u00fcndajast, kui ta saadab taotluse ASU-serveris rajamise koostamiseks (taolisi taotlusi v\u00f5ib iga kasutaja saata autentimiseta). Erilised paketilistid manipuleerimise kaudu v\u00f5ib r\u00fcndaja korraldada eelnevalt genereeritud pahatahtlike piltide saatmise vastuseks teiste kasutajate seaduslikele kokkupuute taotlustele.        <\/p>\n<p>ASU teenus kasutatakse OpenWrt-s firmware uuenduste loomisel ja installimisel, kaotamata olemasolevaid seadistusi ja kasutaja poolt installitud pakette. Kasutaja saadab l\u00e4bi veebiliidese v\u00f5i k\u00e4surea t\u00f6\u00f6riistade uuendatud firmware'i pildi loomise soovi, m\u00e4rkides oma s\u00fcsteemis installitud paketid. M\u00f5ne aja p\u00e4rast loob ASU server pildi, mis vastab tellitud sisule, p\u00e4rast mida kasutaja laadib selle alla ja installib oma seadmesse. T\u00e4iendavalt on saadaval valik, mis v\u00f5imaldab salvestada olemasolevad seadistused uuendatud firmware'i sisse.       <\/p>\n<p>Kasutajate p\u00e4ringute t\u00f6\u00f6tlemise eest vastutab ASU Server, mis k\u00e4ivitab automaatse firmware'i piltide koostamise ImageBuilder t\u00f6\u00f6riista abil ning toetab ka eelnevalt ettevalmistatud koostiste vahem\u00e4lu. Kui kasutaja on tellinud pildi, mis on juba varem koostatud ja <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/server\/dts-newyork\/\"   title=\"serveril\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2797\">serveril<\/a> on endiselt asjakohane, siis s\u00fcsteem annab kohe olemasoleva pildi vahem\u00e4lust ilma koostamisprotsessi k\u00e4ivitamata.    <\/p>\n<p>R\u00fcnnaku k\u00e4itumine sai v\u00f5imalikuks t\u00e4nu kahele haavatavusele:  <\/p>\n<ul>\n<li class=\"l\"> Viga build_reques.py t\u00f6\u00f6tlijast Imagebuilder'i komplektis v\u00f5imaldab r\u00fcnnakul vastavalt bakalaureuse- ja magistri\u00f5pingutele sisestada enda k\u00e4ske tootmisprotsessi, edastades kasutajalt spetsiaalselt koostatud paketinimesid. Viga tuleneb puudulikest kontrollidest erim\u00e4rkide osas paketinimedes enne nende kasutamist utiliidi make argumentides. Kasutades seda haavatavust, suudab r\u00fcndaja serverisse luua pahatahtlikke p\u00fcsivusi, mis on \u00f5igesti allkirjastatud koostamisv\u00f5tmega.\n<li class=\"l\"> Haavatavus util.py teegis, mis on tingitud SHA-256 r\u00e4simustest, mida kasutati ettevalmistatud firmware'ide kuvandi olemasolu kontrollimiseks, k\u00e4rbiti 12 s\u00fcmbolini, mis v\u00e4hendas oluliselt entropiat ja v\u00f5imaldas r\u00fcndajal genereerida kuritegeliku pildi, mille r\u00e4si vastab originaalle. Koos Imagebuilder'i haavatavusega v\u00f5is r\u00fcndaja seda r\u00e4simist kasutada ASU Server'i vahem\u00e4lu &#171;saastamiseks&#187; ja selles pahavara kujundeid paigutada, mis edastatakse tavakasutajate p\u00e4ringutele.    <\/ul>\n<p>Muudatus, mis v\u00f5imaldas r\u00fcnnaku teostamist, tehti 8. juulil. Probleem lahendati 4. detsembril. ASU teenuse toimimise tagamiseks kasutati eraldi <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/server\/\"   title=\"serverid\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1974\">serverid<\/a>, mis ei kattunud projekti peamiste ehituss\u00fcsteemidega, eraldatud OpenWrt Buildbot'ist ja ilma juurdep\u00e4\u00e4suta sellistele konfidentsiaalsetele ressurssidele nagu SSH-v\u00f5tmed ja digitaalse allkirja genereerimiseks vajalikud sertifikaadid.     <\/p>\n<p>T\u00f6\u00f6stuse esindajate v\u00e4itel ei leidnud OpenWrt arendajad projekti infrastruktuuri kompromiteerimise j\u00e4lgi, kuid ettevaatusabin\u00f5una reinstalleeriti alates nullist s\u00fcsteemid, kus olid haavatavad komponendid. Probleem ei m\u00f5jutanud ametlikke pilte, mida levitatakse saidil downloads.openwrt.org, ning ehituste logide anal\u00fc\u00fcsimisel ei leitud mingeid t\u00f5endeid pahatahtlike p\u00e4ringute saatmise kohta. Samuti, kuna ASU serverites toimub automaatne vanade ehituste puhastamine 7 p\u00e4eva p\u00e4rast, osutus vana ehituste auditeerimine v\u00f5imatuks.       <\/p>\n<p>OpenWrt infrastruktuuri kaudu kahjulike piltide levitamise t\u00f5en\u00e4osus, kasutades tuvastatud haavatavusi, on OpenWrt esindajate hinnangul peaaegu null, kuid ASU kasutajatele soovitatakse oma seadmetes OpenWrt p\u00fcsivara uuendada sama versiooni peale.<br \/>\n<br \/>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62371\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u043c \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u043c OpenWrt \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0438 ASU (Attended SysUpgrade) \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u044b \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 (CVE-2024-54143), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u0441\u043a\u043e\u043c\u043f\u0440\u043e\u043c\u0435\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0441\u0431\u043e\u0440\u043e\u0447\u043d\u044b\u0435 \u0430\u0440\u0442\u0435\u0444\u0430\u043a\u0442\u044b, \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u043c\u044b\u0435 \u0447\u0435\u0440\u0435\u0437 \u0441\u0435\u0440\u0432\u0438\u0441 sysupgrade.openwrt.org \u0438\u043b\u0438 \u0441\u0442\u043e\u0440\u043e\u043d\u043d\u0438\u0435 ASU-\u0441\u0435\u0440\u0432\u0435\u0440\u044b, \u0438 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u043c\u043e\u0434\u0438\u0444\u0438\u0446\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u043e\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u0432 \u043f\u0440\u043e\u0448\u0438\u0432\u043e\u043a \u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u044e\u0449\u0438\u0445 \u0434\u043b\u044f \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u0440\u043e\u0448\u0438\u0432\u043e\u043a \u0440\u0435\u0436\u0438\u043c &#171;attended upgrade&#187; \u0447\u0435\u0440\u0435\u0437 web-\u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 selector.openwrt.org \u0438\u043b\u0438 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 \u043a\u043e\u043c\u0430\u043d\u0434\u043d\u043e\u0439 \u0441\u0442\u0440\u043e\u043a\u0438 attended.sysupgrade. \u0414\u043b\u044f \u0443\u0441\u043f\u0435\u0448\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0430\u0442\u0430\u043a\u0438 \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u0443 \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u043e\u0442\u043f\u0440\u0430\u0432\u0438\u0442\u044c [&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-120895","post","type-post","status-publish","format-standard","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u043c \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u043c OpenWrt \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0438 ASU (Attended SysUpgrade) \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u044b \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 (CVE-2024-54143), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u0441\u043a\u043e\u043c\u043f\u0440\u043e\u043c\u0435\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0441\u0431\u043e\u0440\u043e\u0447\u043d\u044b\u0435 \u0430\u0440\u0442\u0435\u0444\u0430\u043a\u0442\u044b, \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u043c\u044b\u0435 \u0447\u0435\u0440\u0435\u0437 \u0441\u0435\u0440\u0432\u0438\u0441 sysupgrade.openwrt.org \u0438\u043b\u0438 \u0441\u0442\u043e\u0440\u043e\u043d\u043d\u0438\u0435 ASU-\u0441\u0435\u0440\u0432\u0435\u0440\u044b, \u0438 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u043c\u043e\u0434\u0438\u0444\u0438\u0446\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u043e\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u0432 \u043f\u0440\u043e\u0448\u0438\u0432\u043e\u043a \u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u044e\u0449\u0438\u0445 \u0434\u043b\u044f \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u0440\u043e\u0448\u0438\u0432\u043e\u043a \u0440\u0435\u0436\u0438\u043c &quot;attended upgrade&quot; \u0447\u0435\u0440\u0435\u0437 web-\u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 selector.openwrt.org \u0438\u043b\u0438 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 \u043a\u043e\u043c\u0430\u043d\u0434\u043d\u043e\u0439 \u0441\u0442\u0440\u043e\u043a\u0438 attended.sysupgrade. \u0414\u043b\u044f \u0443\u0441\u043f\u0435\u0448\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0430\u0442\u0430\u043a\u0438 \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u0443 \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u043e\u0442\u043f\u0440\u0430\u0432\u0438\u0442\u044c\" \/>\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\/et\/blog\/novosti-interneta\/uyazvimosti-pozvolyayushhie-podmenit-obrazy-i-vypolnit-kod-na-asu-serverah-proekta-openwrt\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"et_EE\" \/>\n\t\t<meta property=\"og:site_name\" content=\"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\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u043f\u043e\u0434\u043c\u0435\u043d\u0438\u0442\u044c \u043e\u0431\u0440\u0430\u0437\u044b \u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043a\u043e\u0434 \u043d\u0430 ASU-\u0441\u0435\u0440\u0432\u0435\u0440\u0430\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 OpenWrt | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u0412 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u043c \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u043c OpenWrt \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0438 ASU (Attended SysUpgrade) \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u044b \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 (CVE-2024-54143), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u0441\u043a\u043e\u043c\u043f\u0440\u043e\u043c\u0435\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0441\u0431\u043e\u0440\u043e\u0447\u043d\u044b\u0435 \u0430\u0440\u0442\u0435\u0444\u0430\u043a\u0442\u044b, \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u043c\u044b\u0435 \u0447\u0435\u0440\u0435\u0437 \u0441\u0435\u0440\u0432\u0438\u0441 sysupgrade.openwrt.org \u0438\u043b\u0438 \u0441\u0442\u043e\u0440\u043e\u043d\u043d\u0438\u0435 ASU-\u0441\u0435\u0440\u0432\u0435\u0440\u044b, \u0438 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u043c\u043e\u0434\u0438\u0444\u0438\u0446\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u043e\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u0432 \u043f\u0440\u043e\u0448\u0438\u0432\u043e\u043a \u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u044e\u0449\u0438\u0445 \u0434\u043b\u044f \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u0440\u043e\u0448\u0438\u0432\u043e\u043a \u0440\u0435\u0436\u0438\u043c &quot;attended upgrade&quot; 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