{"id":135918,"date":"2025-06-06T03:05:07","date_gmt":"2025-06-06T01:05:07","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-v-python-module-tarfile-dopuskayushhaya-zapis-v-lyubye-chasti-fs"},"modified":"2025-06-06T03:05:07","modified_gmt":"2025-06-06T01:05:07","slug":"uyazvimost-v-python-module-tarfile-dopuskayushhaya-zapis-v-lyubye-chasti-fs","status":"publish","type":"post","link":"https:\/\/prohoster.info\/lv\/blog\/news\/uyazvimost-v-python-module-tarfile-dopuskayushhaya-zapis-v-lyubye-chasti-fs","title":{"rendered":"Vulnerability in the Python module TarFile allows writing to any part of the file system","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>In the standard Python module tarfile, which provides functions for reading and writing tar archives, five vulnerabilities have been identified, one of which is assigned a critical severity level. The vulnerabilities have been fixed in releases Python 3.13.4 and 3.12.11. The most dangerous vulnerability (CVE-2025-4517) allows files to be written to any part of the file system when unpacking a specially crafted archive. In system scripts that use tarfile and are run with root privileges (for example, in package management tools and isolated containers), the vulnerability can be exploited for privilege escalation or to break out of the isolated container.    <\/p>\n<p>Vainojam\u012bba skar projektus, kuros modulis tarfile tiek izmantots, lai izpakojot neuzticamus tar arh\u012bvus, izmantojot funkciju TarFile.extractall() vai TarFile.extract() ar parametru \"filter=\", kas iestat\u012bts uz \"data\" vai \"tar\". Vainojam\u012bbu izraisa nepareiza \"..\" sec\u012bbas apstr\u0101de saites nosaukum\u0101. Probl\u0113ma skar Python versijas, s\u0101kot ar 3.12. Izvilk\u0161anas re\u017e\u012bms 'filter=\"data\"' tiek izmantots noklus\u0113juma re\u017e\u012bm\u0101 Python 3.14 fili\u0101l\u0113, kas ir izstr\u0101des posm\u0101 (izlaidums pl\u0101nots ruden\u012b).     <\/p>\n<p>Other vulnerabilities in TarFile:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2025-4330 \u2014 iesp\u0113ja apiet izvilk\u0161anas datu filtru, kas var novest pie simbolisk\u0101s saites izvilk\u0161anas no arh\u012bva, kas nor\u0101da uz \u0101rpusi pamata kataloga, kur\u0101 tiek veikta izpako\u0161ana.\n<li class=\"l\"> CVE-2025-4138 \u2014 iesp\u0113ja izveidot patva\u013c\u012bgas simbolisk\u0101s saites \u0101rpus pamata kataloga, izpakojot arh\u012bvus ar parametru 'filter=\"data\"'.\n<li class=\"l\"> CVE-2024-12718 \u2014 iesp\u0113ja modific\u0113t metadatus (piem\u0113ram, modifik\u0101cijas laiku) failiem \u0101rpus pamata kataloga, izpakojot arh\u012bvus ar parametru 'filter=\"data\"' vai piek\u013cuves ties\u012bbas (chmod) izpakojot arh\u012bvus ar parametru 'filter=\"tar\"'.\n<li class=\"l\"> CVE-2025-4435 \u2014 ja izpakojot arhivu parametra TarFile.errorlevel v\u0113rt\u012bba ir 0, tad pret\u0113ji dokument\u0101cijai, nor\u0101d\u012bt\u0101 filtra elementi arh\u012bv\u0101 tika izpakoti, nevis ignor\u0113ti.    <\/ul>\n<p>Avots: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=63365\">opennet.lv<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412\u043e \u0432\u0445\u043e\u0434\u044f\u0449\u0435\u043c \u0432 \u0448\u0442\u0430\u0442\u043d\u0443\u044e \u043f\u043e\u0441\u0442\u0430\u0432\u043a\u0443 Python \u043c\u043e\u0434\u0443\u043b\u0435 tarfile, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u043c \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0434\u043b\u044f \u0447\u0442\u0435\u043d\u0438\u044f \u0438 \u0437\u0430\u043f\u0438\u0441\u0438 tar-\u0430\u0440\u0445\u0438\u0432\u043e\u0432, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u043e \u043f\u044f\u0442\u044c \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u043e\u0434\u043d\u043e\u0439 \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043f\u0440\u0438\u0441\u0432\u043e\u0435\u043d \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0432 \u0432\u044b\u043f\u0443\u0441\u043a\u0430\u0445 Python 3.13.4 \u0438 3.12.11. \u041d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u043e\u043f\u0430\u0441\u043d\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2025-4517) \u0434\u0430\u0451\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043f\u0440\u0438 \u0440\u0430\u0441\u043f\u0430\u043a\u043e\u0432\u043a\u0435 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0430\u0440\u0445\u0438\u0432\u0430 \u0437\u0430\u043f\u0438\u0441\u0430\u0442\u044c \u0444\u0430\u0439\u043b\u044b \u0432 \u043b\u044e\u0431\u0443\u044e \u0447\u0430\u0441\u0442\u044c \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b. \u0412 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0445 \u0441\u043a\u0440\u0438\u043f\u0442\u0430\u0445, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0438\u0445 [&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-135918","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.5 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412\u043e \u0432\u0445\u043e\u0434\u044f\u0449\u0435\u043c \u0432 \u0448\u0442\u0430\u0442\u043d\u0443\u044e \u043f\u043e\u0441\u0442\u0430\u0432\u043a\u0443 Python \u043c\u043e\u0434\u0443\u043b\u0435 tarfile, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u043c \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0434\u043b\u044f \u0447\u0442\u0435\u043d\u0438\u044f \u0438 \u0437\u0430\u043f\u0438\u0441\u0438 tar-\u0430\u0440\u0445\u0438\u0432\u043e\u0432, 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