{"id":122211,"date":"2025-03-15T08:22:16","date_gmt":"2025-03-15T06:22:16","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-vo-freetype-pozvolyayushhaya-vypolnit-kod-pri-obrabotke-shriftov"},"modified":"2025-03-15T08:22:16","modified_gmt":"2025-03-15T06:22:16","slug":"uyazvimost-vo-freetype-pozvolyayushhaya-vypolnit-kod-pri-obrabotke-shriftov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/uyazvimost-vo-freetype-pozvolyayushhaya-vypolnit-kod-pri-obrabotke-shriftov","title":{"rendered":"Sebezhet\u0151s\u00e9g a FreeType-ban, amely lehet\u0151v\u00e9 teszi k\u00f3d v\u00e9grehajt\u00e1s\u00e1t a bet\u0171t\u00edpusok feldolgoz\u00e1sa sor\u00e1n","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A FreeType bet\u0171renderel\u0151 k\u00f6nyvt\u00e1r\u00e1ban egy sebezhet\u0151s\u00e9get (CVE-2025-27363) azonos\u00edtottak, amely potenci\u00e1lisan k\u00f3d v\u00e9grehajt\u00e1s\u00e1hoz vezethet, ha speci\u00e1lisan form\u00e1zott v\u00e1ltoz\u00f3 fontf\u00e1jlokat vagy TrueType GX form\u00e1tum\u00fa bet\u0171t\u00edpusokat dolgoznak fel. A probl\u00e9ma csak a 2.13.0 verzi\u00f3t megel\u0151z\u0151 FreeType kiad\u00e1sokban jelentkezik, \u00e9s az 2.13.1-es verzi\u00f3 (2023 j\u00fanius) m\u00e1r jav\u00edtotta. Felt\u00e9telezhet\u0151, hogy ezt a sebezhet\u0151s\u00e9get kor\u00e1bban is haszn\u00e1lt\u00e1k t\u00e1mad\u00e1sok sor\u00e1n. <\/p>\n

A sebezhet\u0151s\u00e9g a bet\u0171t\u00edpusok subglyph strukt\u00far\u00e1inak elemz\u00e9se sor\u00e1n fell\u00e9p\u0151 puffer t\u00falcsordul\u00e1s\u00e1b\u00f3l ad\u00f3dik. A t\u00falcsordul\u00e1s abb\u00f3l ered, hogy a puffer m\u00e9ret\u00e9nek kisz\u00e1m\u00edt\u00e1s\u00e1ban r\u00e9szt vev\u0151 «signed short» t\u00edpus\u00fa v\u00e1ltoz\u00f3nak «unsigned long» t\u00edpus\u00fa \u00e9rt\u00e9ket rendelnek, ami eg\u00e9sz sz\u00e1m t\u00falcsordul\u00e1st \u00e9s a puffer hib\u00e1s m\u00e9ret\u0171 lefoglal\u00e1s\u00e1t eredm\u00e9nyezheti. Ezt k\u00f6vet\u0151en legal\u00e1bb 6 darab «long» t\u00edpus\u00fa eg\u00e9sz sz\u00e1m ker\u00fcl ki a puffer hat\u00e1rain k\u00edv\u00fclre. <\/p>\n

Friss\u00edt\u00e9sek nyomon k\u00f6vethet\u0151k a k\u00f6vetkez\u0151 disztrib\u00faci\u00f3k oldalain: Debian, Ubuntu, RHEL, SUSE\/openSUSE, Fedora, Arch, FreeBSD. A haszn\u00e1lt verzi\u00f3k statisztik\u00e1ja alapj\u00e1n a sebezhet\u0151 FreeType verzi\u00f3k az Amazon Linux 2, Debian stable\/Devuan, RHEL 8 \u00e9s 9 (+ CentOS Stream \u00e9s sz\u00e1rmaztatott disztrib\u00faci\u00f3k), GNU Guix, Mageia, OpenMandriva, openSUSE Leap, Slackware \u00e9s Ubuntu 22.04 disztrib\u00faci\u00f3kban tal\u00e1lhat\u00f3k.
\n
Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 \u043e\u0442\u0440\u0438\u0441\u043e\u0432\u043a\u0438 \u0448\u0440\u0438\u0444\u0442\u043e\u0432 FreeType \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2025-27363), \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044e \u043a\u043e\u0434\u0430 \u043f\u0440\u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u044b\u0445 \u0444\u0430\u0439\u043b\u043e\u0432 \u0441 \u0432\u0430\u0440\u0438\u0430\u0442\u0438\u0432\u043d\u044b\u043c\u0438 \u0448\u0440\u0438\u0444\u0442\u0430\u043c\u0438 \u0438\u043b\u0438 \u0448\u0440\u0438\u0444\u0442\u0430\u043c\u0438 \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 TrueType GX. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u0432 \u0432\u044b\u043f\u0443\u0441\u043a\u0430\u0445 FreeType \u0434\u043e \u0432\u0435\u0440\u0441\u0438\u0438 2.13.0 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0432 \u0432\u0435\u0440\u0441\u0438\u0438 2.13.1 (\u0438\u044e\u043d\u044c 2023 \u0433\u043e\u0434\u0430). \u041f\u0440\u0435\u0434\u043f\u043e\u043b\u0430\u0433\u0430\u0435\u0442\u0441\u044f, \u0447\u0442\u043e \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0436\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u043b\u0430\u0441\u044c \u0440\u0430\u043d\u0435\u0435 \u0434\u043b\u044f \u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u0438\u044f […]<\/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-122211","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\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Sebezhet\u0151s\u00e9g a FreeType-ban, amely lehet\u0151v\u00e9 teszi k\u00f3d v\u00e9grehajt\u00e1s\u00e1t a bet\u0171t\u00edpusok feldolgoz\u00e1sa sor\u00e1n | ProHoster","description":"A FreeType bet\u0171renderel\u0151 k\u00f6nyvt\u00e1r\u00e1ban egy sebezhet\u0151s\u00e9get (CVE-2025-27363) azonos\u00edtottak, amely potenci\u00e1lisan k\u00f3d v\u00e9grehajt\u00e1s\u00e1hoz vezethet, ha speci\u00e1lisan form\u00e1zott 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\u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u0448\u0440\u0438\u0444\u0442\u043e\u0432 | ProHoster","og:description":"\u0412 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 \u043e\u0442\u0440\u0438\u0441\u043e\u0432\u043a\u0438 \u0448\u0440\u0438\u0444\u0442\u043e\u0432 FreeType \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2025-27363), \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044e \u043a\u043e\u0434\u0430 \u043f\u0440\u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u044b\u0445 \u0444\u0430\u0439\u043b\u043e\u0432 \u0441 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