{"id":124557,"date":"2025-05-08T03:05:06","date_gmt":"2025-05-08T01:05:06","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-iventoy-vyyavlena-podstanovka-kornevogo-sertifikata-pri-zapuske-windows"},"modified":"2025-05-08T03:05:06","modified_gmt":"2025-05-08T01:05:06","slug":"v-iventoy-vyyavlena-podstanovka-kornevogo-sertifikata-pri-zapuske-windows","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/v-iventoy-vyyavlena-podstanovka-kornevogo-sertifikata-pri-zapuske-windows","title":{"rendered":"En rotcertifikatins\u00e4ttning har uppt\u00e4ckts i iVentoy vid start av Windows","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>I verktyget iVentoy, som anv\u00e4nds f\u00f6r att ladda och installera valfria operativsystem via n\u00e4tverket, har misst\u00e4nksam aktivitet uppt\u00e4ckts. Vid nedladdning av Windows-operativsystemet genomf\u00f6rde verktyget en injektion av den bin\u00e4ra drivrutinen httpdisk.sys och installerade sitt sj\u00e4lvsignerade certifikat i systemets lagring av rotcertifikat, vilket anv\u00e4nds f\u00f6r att signera drivrutinen med en digital signatur. 31 av 70 antiviruspaket som kontrollerade filen httpdisk.sys gav en varning om f\u00f6rekomst av skadlig programvara.       <\/p>\n<p>Liknande aktivitet togs emot som ett potentiellt f\u00f6rs\u00f6k att fr\u00e4mja en bakd\u00f6rr och v\u00e4ckte fr\u00e5gor om f\u00f6rtroendet f\u00f6r det \u00f6ppna projektet Ventoy. Situationer f\u00f6rv\u00e4rrades av att gemenskapen redan f\u00f6rra \u00e5ret uppm\u00e4rksammade leveransen av misst\u00e4nkta blobar i k\u00e4llkodstr\u00e4det f\u00f6r Ventoy efter incidenten med bakd\u00f6rren i projektet XZ.    <\/p>\n<p>Utvecklarna av NixOS f\u00f6reslog att ers\u00e4tta Ventoy i lagerf\u00f6rr\u00e5det nixpkgs med forken fnr1r (som alternativ kan glim ocks\u00e5 \u00f6verv\u00e4gas). Projekten Ventoy och iVentoy utvecklas av samma f\u00f6rfattare och har liknande syften. Skillnaderna \u00e4r att Ventoy \u00e4r helt \u00f6ppet och syftar till att ladda operativsystem fr\u00e5n USB-enheter, medan iVentoy \u00e4r endast delvis \u00f6ppet och avsett f\u00f6r n\u00e4tverksladdning med hj\u00e4lp av PXE-teknik.       <\/p>\n<p>F\u00f6rfattaren av projekten Ventoy och iVentoy deltog i diskussionen om problemet och f\u00f6rklarade att koden f\u00f6r drivrutinen httpdisk.sys \u00e4r \u00f6ppen, och att sj\u00e4lva drivrutinen \u00e4r avsedd f\u00f6r att montera disksbilder i Windows \u00f6ver n\u00e4tverket ovanf\u00f6r HTTP-protokollet, vilket anv\u00e4nds i iVentoy f\u00f6r att h\u00e4mta installationsdata f\u00f6r Windows. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sv\/server\/dts-los-angeles\/\"   title=\"servern\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3966\">servern<\/a> Injektion av drivrutiner och skript i systemet efter start \u00e4r ett dokumenterat beteende.     <\/p>\n<p>Det egna certifikatet, som anv\u00e4ndes f\u00f6r att signera denna drivrutin, har lagts till i lagret f\u00f6r rotcertifikat f\u00f6r att m\u00f6jligg\u00f6ra laddning av drivrutinen utan att den verifiering av programvara som \u00e4r baserad p\u00e5 digitala signaturer som anv\u00e4nds av Windows p\u00e5verkas. Certifikatet anv\u00e4ndes endast i en eng\u00e5ngs WinPE-milj\u00f6 (Windows Preinstallation Environment) som skapades i RAM-minnet. Det gjordes inga \u00e4ndringar i station\u00e4ra installationer av Windows som lagrades p\u00e5 disken. Det har rapporterats att i n\u00e4sta version av iVentoy kommer anv\u00e4ndningen av sitt eget certifikat att upph\u00f6ra, eftersom laddning av drivrutinen kommer att g\u00f6ras med WinPE i testl\u00e4ge.      <\/p>\n<p>N\u00e4r det g\u00e4ller leveransen av blobbar (1, 2, 3) till Ventoy har utvecklaren meddelat att dessa bin\u00e4rfiler har erh\u00e5llits direkt fr\u00e5n andra \u00f6ppna projekt och att Ventoy anv\u00e4nder dem utan n\u00e5gra \u00e4ndringar. De f\u00e4rdiga k\u00f6rbara filerna anv\u00e4nds i konfigurationsprocessen av startbara system. Som ett alternativ f\u00f6resl\u00e5s att man inte anv\u00e4nder de f\u00e4rdiga paketen, utan ist\u00e4llet bygger dem f\u00f6r Ventoys releaser sj\u00e4lv med hj\u00e4lp av GitHub CI.<br \/>\n<br \/>K\u00e4lla: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=63199\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0438 iVentoy, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u043c \u0434\u043b\u044f \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u0438 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u043f\u043e \u0441\u0435\u0442\u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0445 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c, 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[&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-124557","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0438 iVentoy, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u043c \u0434\u043b\u044f \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u0438 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u043f\u043e \u0441\u0435\u0442\u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0445 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 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