{"id":99397,"date":"2021-03-09T22:22:47","date_gmt":"2021-03-09T20:22:47","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-git-s-ustraneniem-uyazvimosti-dopuskayushhej-udalyonnoe-vypolnenie-koda"},"modified":"2021-03-09T22:22:47","modified_gmt":"2021-03-09T20:22:47","slug":"obnovlenie-git-s-ustraneniem-uyazvimosti-dopuskayushhej-udalyonnoe-vypolnenie-koda","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/obnovlenie-git-s-ustraneniem-uyazvimosti-dopuskayushhej-udalyonnoe-vypolnenie-koda","title":{"rendered":"Aktualizacja Git eliminuj\u0105ca luk\u0119, kt\u00f3ra umo\u017cliwia zdalne wykonanie kodu","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Opublikowano poprawki do rozproszonych system\u00f3w zarz\u0105dzania kodem \u017ar\u00f3d\u0142owym Git w wersjach 2.30.2, 2.17.6, 2.18.5, 2.19.6, 2.20.5, 2.21.4, 2.22.5, 2.23.4, 2.24.4, 2.25.5, 2.26.3, 2.27.1, 2.28.1 i 2.29.3, w kt\u00f3rych usuni\u0119to luk\u0119 (CVE-2021-21300), pozwalaj\u0105c\u0105 na zdalne wykonanie kodu podczas klonowania repozytori\u00f3w stworzonych przez napastnik\u00f3w za pomoc\u0105 polecenia «git clone». Wszystkie wersje Git od wersji 2.15 s\u0105 podatne na t\u0119 luk\u0119. <\/p>\n

Problem ujawnia si\u0119 przy korzystaniu z op\u00f3\u017anionych operacji checkout, stosowanych w niekt\u00f3rych filtrach czyszcz\u0105cych, na przyk\u0142ad konfigurowanych w Git LFS. Wykorzystanie tej podatno\u015bci jest mo\u017cliwe wy\u0142\u0105cznie w systemach plik\u00f3w rozr\u00f3\u017cniaj\u0105cych dowi\u0105zania symboliczne, ale nierozr\u00f3\u017cniaj\u0105cych wielko\u015bci liter, takich jak NTFS, HFS+ i APFS (czyli na platformach Windows i macOS). <\/p>\n

Jako tymczasowe rozwi\u0105zanie zabezpiecze\u0144 mo\u017cna wy\u0142\u0105czy\u0107 w Git obs\u0142ug\u0119 dowi\u0105za\u0144 symbolicznych, wykonuj\u0105c «git config --global core.symlinks false», lub wy\u0142\u0105czy\u0107 wsparcie dla filtr\u00f3w proces\u00f3w za pomoc\u0105 polecenia «git config --show-scope --get-regexp ‘filter\\..*\\.process'». Zaleca si\u0119 r\u00f3wnie\u017c unikanie klonowania niezaufanych repozytori\u00f3w.
\n
\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 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u043c\u0438 \u0442\u0435\u043a\u0441\u0442\u0430\u043c\u0438 Git 2.30.2, 2.17.6, 2.18.5, 2.19.6, 2.20.5, 2.21.4, 2.22.5, 2.23.4, 2.24.4, 2.25.5, 2.26.3, 2.27.1, 2.28.1 \u0438 2.29.3, \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-2021-21300), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u043a\u043e\u0434\u0430 \u043f\u0440\u0438 \u043a\u043b\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438 \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u044f \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u0430 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u043a\u043e\u043c\u0430\u043d\u0434\u044b «git clone». \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043f\u043e\u0434\u0432\u0435\u0440\u0436\u0435\u043d\u044b \u0432\u0441\u0435 \u0432\u044b\u043f\u0443\u0441\u043a\u0438 Git, \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 \u0432\u0435\u0440\u0441\u0438\u0438 2.15. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043f\u0440\u0438 […]<\/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-99397","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\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\udd47Aktualizacja Git usuwaj\u0105ca podatno\u015b\u0107 umo\u017cliwiaj\u0105c\u0105 zdalne wykonanie kodu | ProHoster","description":"Opublikowano poprawkowe wydania rozproszonego systemu kontroli wersji Git 2.30.2, 2.17.6, 2.18.5, 2.19.6, 2.20.5, 2.21.4, 2.22.5, 2.23.4, 2.24.4, 2.25.5, 2.26.3, 2.27.1, 2.28.1 i 2.29.3, w 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