{"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\/pl\/blog\/news\/apt-package-manager-vulnerability-allows-attackers-to-gain-root-privileges-via-mitm-attacks","title":{"rendered":"Luka w mened\u017cerze pakiet\u00f3w APT, kt\u00f3ra umo\u017cliwia przeprowadzenie ataku MITM w celu uzyskania praw root","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Opublikowane zosta\u0142y poprawki do narz\u0119dzi zarz\u0105dzania pakietami APT, w kt\u00f3rych usuni\u0119to luk\u0119 (CVE-2026-109518), umo\u017cliwiaj\u0105c\u0105 obej\u015bcie weryfikacji podczas pobierania plik\u00f3w oraz wykonanie w\u0142asnego kodu z prawami roota. \u0141\u0105cznie utworzono 13 wyda\u0144, obejmuj\u0105cych wszystkie wydania APT, kt\u00f3re powsta\u0142y w ci\u0105gu ostatnich 10 lat, pocz\u0105wszy od 1.2.x. Aktualizacje pakiet\u00f3w z poprawkami luki r\u00f3wnie\u017c zosta\u0142y ju\u017c przygotowane dla r\u00f3\u017cnych wersji Debian, Ubuntu i Deepin. W konfiguracji domy\u015blnej problem dotyczy wszystkich wyda\u0144 pocz\u0105wszy od Debiana 12 i Ubuntu 22.04. Wykorzystanie starszych wersji jest mo\u017cliwe w przypadku ustawienia parametru Acquire::Retries na warto\u015b\u0107 wi\u0119ksz\u0105 ni\u017c 0.<\/p>\n

Atakuj\u0105cy, kt\u00f3ry w trakcie instalacji pakietu potrafi wtr\u0105ci\u0107 si\u0119 w ruch HTTP mi\u0119dzy u\u017cytkownikiem a repozytorium pakiet\u00f3w, mo\u017ce zainstalowa\u0107 podmienion\u0105, niepotwierdzon\u0105 wersj\u0119 pakietu, co pozwala mu uzyska\u0107 uprawnienia roota w systemie. Atak mo\u017ce zosta\u0107 przeprowadzony na przyk\u0142ad przez kompromitacj\u0119 lustrzanych serwer\u00f3w, serwer\u00f3w proxy, bezprzewodowych punkt\u00f3w dost\u0119powych lub bram dostawc\u00f3w. W raporcie o luce nie podano szczeg\u00f3\u0142\u00f3w, wskazano jedynie, \u017ce problem wynika z nieprawid\u0142owego dzia\u0142ania z twardymi linkami. Z analizy \u0142aty wynika, \u017ce otwarcie pliku z flag\u0105 FileFd::Empty (O_TRUNC) zosta\u0142o zast\u0105pione przez FileFd::Exclusive (O_EXCL), przez co przy wznowieniu przerwanego pobierania atakuj\u0105cy m\u00f3g\u0142 doprowadzi\u0107 do nadpisania danych, kt\u00f3re przy pierwszym pobieraniu zosta\u0142y ju\u017c zhaszowane.
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\u0179r\u00f3d\u0142o: 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 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0441\u0432\u043e\u0435\u0433\u043e \u043a\u043e\u0434\u0430 \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 root. \u0412\u0441\u0435\u0433\u043e \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u043e 13 \u0432\u044b\u043f\u0443\u0441\u043a\u043e\u0432, \u043e\u0445\u0432\u0430\u0442\u044b\u0432\u0430\u044e\u0449\u0438\u0445 \u0432\u0441\u0435 \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u0437\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u0435 10 \u043b\u0435\u0442 \u0432\u0435\u0442\u043a\u0438 APT, \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 1.2.x. \u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u0430\u043a\u0435\u0442\u043e\u0432 \u0441 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0435\u043c \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0442\u0430\u043a\u0436\u0435 \u0443\u0436\u0435 \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\udd47Luka w mened\u017cerze pakiet\u00f3w APT, umo\u017cliwiaj\u0105ca przeprowadzenie ataku MITM w celu uzyskania praw roota | ProHoster","description":"Opublikowane zosta\u0142y poprawki do narz\u0119dzi zarz\u0105dzania pakietami APT, w kt\u00f3rych usuni\u0119to luk\u0119 (CVE-2026-109518), umo\u017cliwiaj\u0105c\u0105 obej\u015bcie weryfikacji podczas pobierania plik\u00f3w oraz wykonanie w\u0142asnego kodu z prawami roota.","canonical_url":"https:\/\/prohoster.info\/pl\/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":"pl_PL","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\/pl\/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\/pl\/wp-json\/wp\/v2\/posts\/184170","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/pl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/pl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/pl\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/pl\/wp-json\/wp\/v2\/comments?post=184170"}],"version-history":[{"count":1,"href":"https:\/\/prohoster.info\/pl\/wp-json\/wp\/v2\/posts\/184170\/revisions"}],"predecessor-version":[{"id":184171,"href":"https:\/\/prohoster.info\/pl\/wp-json\/wp\/v2\/posts\/184170\/revisions\/184171"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/pl\/wp-json\/wp\/v2\/media?parent=184170"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/pl\/wp-json\/wp\/v2\/categories?post=184170"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/pl\/wp-json\/wp\/v2\/tags?post=184170"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}