{"id":184170,"date":"2026-11-06T23:40:44","date_gmt":"2026-11-06T21:40:44","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/uyazvimost-v-paketnom-menedzhere-apt-pozvolyayushhaya-sovershit-mitm-ataku-dlya-polucheniya-prav-root"},"modified":"2026-11-06T23:40:54","modified_gmt":"2026-11-06T21:40:54","slug":"apt-package-manager-vulnerability-allows-attackers-to-gain-root-privileges-via-mitm-attacks","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/apt-package-manager-vulnerability-allows-attackers-to-gain-root-privileges-via-mitm-attacks","title":{"rendered":"S\u00e5rbarhed i pakkemanagementsystemet APT, der muligg\u00f8r en MITM-angreb for at opn\u00e5 root-rettigheder","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Der er offentliggjort rettelsesudgivelser af v\u00e6rkt\u00f8jerne til pakkeh\u00e5ndtering APT, som afhj\u00e6lper en s\u00e5rbarhed (CVE-2026-109518), der muligg\u00f8r omg\u00e5else af kontrollen ved filhentning og opn\u00e5else af eksekvering af egen kode med root-rettigheder. I alt er der dannet 13 udgivelser, der d\u00e6kker alle fremstillede versioner af APT de seneste 10 \u00e5r, startende fra 1.2.x. Opdateringer af pakker, der afhj\u00e6lper s\u00e5rbarheden, er ogs\u00e5 allerede blevet lavet til forskellige versioner af Debian, Ubuntu og Deepin. I standardkonfigurationen p\u00e5virker problemet alle versioner fra Debian 12 og Ubuntu 22.04. Udnyttelse af \u00e6ldre versioner er mulig, hvis parameteren Acquire::Retries s\u00e6ttes til en v\u00e6rdi st\u00f8rre end 0.<\/p>\n

En angriber, der under installationen af en pakke kan tr\u00e6nge ind i HTTP-trafikken mellem brugeren og pakkeopbevaringen, kan opn\u00e5 installation af en manipuleret, uverificeret version af pakken, hvilket giver ham root-rettigheder i systemet. Angrebet kan udf\u00f8res f.eks. gennem kompromitterede spejle, proxy-servere, tr\u00e5dl\u00f8se adgangspunkter eller udbyderens gateways. I sikkerhedsrapporten n\u00e6vnes detaljerne ikke, det angives blot, at problemet skyldes forkert h\u00e5ndtering af h\u00e5rde links. If\u00f8lge patchen, hvor \u00e5bningen af filen med flaget FileFd::Empty (O_TRUNC) er blevet erstattet af FileFd::Exclusive (O_EXCL), kunne angriberen under genoptagelse af en afbrudt download opn\u00e5 overskrivning af data, som allerede var blevet hash'et ved f\u00f8rste download.
\n
Kilde: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u0432\u044b\u043f\u0443\u0441\u043a\u0438 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f \u0434\u043b\u044f \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u0430\u043a\u0435\u0442\u0430\u043c\u0438 APT, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2026-109518), \u0434\u0430\u044e\u0449\u0430\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043e\u0431\u043e\u0439\u0442\u0438 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0443 \u043f\u0440\u0438 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0435 \u0444\u0430\u0439\u043b\u043e\u0432 \u0438 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f 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\u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u044b \u0434\u043b\u044f \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u0432\u0435\u0440\u0441\u0438\u0439 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-184170","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47S\u00e5rbarhed i pakkeh\u00e5ndteringssystemet APT, der muligg\u00f8r MITM-angreb for at opn\u00e5 root-rettigheder | ProHoster","description":"Der er offentliggjort rettelsesudgivelser af v\u00e6rkt\u00f8jerne til pakkeh\u00e5ndtering APT, som afhj\u00e6lper en s\u00e5rbarhed (CVE-2026-109518), der muligg\u00f8r omg\u00e5else af kontrollen ved filhentning og opn\u00e5else af eksekvering af sin egen kode.","canonical_url":"https:\/\/prohoster.info\/da\/blog\/news\/apt-package-manager-vulnerability-allows-attackers-to-gain-root-privileges-via-mitm-attacks","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"da_DK","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\u044c \u0432 \u043f\u0430\u043a\u0435\u0442\u043d\u043e\u043c \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440\u0435 APT, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u0441\u043e\u0432\u0435\u0440\u0448\u0438\u0442\u044c MITM-\u0430\u0442\u0430\u043a\u0443 \u0434\u043b\u044f \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u044f \u043f\u0440\u0430\u0432 root | ProHoster","og:description":"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u0432\u044b\u043f\u0443\u0441\u043a\u0438 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f \u0434\u043b\u044f \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u0430\u043a\u0435\u0442\u0430\u043c\u0438 APT, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2026-109518), \u0434\u0430\u044e\u0449\u0430\u044f \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043e\u0431\u043e\u0439\u0442\u0438 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0443 \u043f\u0440\u0438 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0435 \u0444\u0430\u0439\u043b\u043e\u0432 \u0438 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0441\u0432\u043e\u0435\u0433\u043e.","og:url":"https:\/\/prohoster.info\/da\/blog\/news\/apt-package-manager-vulnerability-allows-attackers-to-gain-root-privileges-via-mitm-attacks","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2026-11-06T21:40:44+00:00","article:modified_time":"2026-11-06T21:40:54+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":[],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/da\/wp-json\/wp\/v2\/posts\/184170","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/da\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/da\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/da\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/da\/wp-json\/wp\/v2\/comments?post=184170"}],"version-history":[{"count":1,"href":"https:\/\/prohoster.info\/da\/wp-json\/wp\/v2\/posts\/184170\/revisions"}],"predecessor-version":[{"id":184171,"href":"https:\/\/prohoster.info\/da\/wp-json\/wp\/v2\/posts\/184170\/revisions\/184171"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/da\/wp-json\/wp\/v2\/media?parent=184170"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/da\/wp-json\/wp\/v2\/categories?post=184170"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/da\/wp-json\/wp\/v2\/tags?post=184170"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}