Byly zve\u0159ejn\u011bny opravy distribuovan\u00e9ho syst\u00e9mu spr\u00e1vy verz\u00ed Git 2.45.1, 2.44.1, 2.43.4, 2.42.2, 2.41.1, 2.40.2 a 2.39.4, kter\u00e9 odstra\u0148uj\u00ed p\u011bt zranitelnost\u00ed. Nejz\u00e1va\u017en\u011bj\u0161\u00ed zranitelnost (CVE-2024-32002), kter\u00e1 byla ohodnocena jako kritick\u00e1, umo\u017e\u0148uje proveden\u00ed k\u00f3du \u00fato\u010dn\u00edka p\u0159i prov\u00e1d\u011bn\u00ed klonov\u00e1n\u00ed p\u0159\u00edkazem «git clone» repozit\u00e1\u0159e, kter\u00fd kontroluje \u00fato\u010dn\u00edk. <\/p>\n
Zranitelnost se projevuje pouze v souborov\u00fdch syst\u00e9mech, kter\u00e9 nerozli\u0161uj\u00ed velikost p\u00edsmen a podporuj\u00ed symbolick\u00e9 odkazy, nap\u0159\u00edklad t\u011bch, kter\u00e9 se pou\u017e\u00edvaj\u00ed ve v\u00fdchoz\u00edm nastaven\u00ed v syst\u00e9mu Windows a macOS. Vyu\u017eit\u00ed se prov\u00e1d\u00ed prost\u0159ednictv\u00edm vytvo\u0159en\u00ed v submodulu adres\u00e1\u0159e a symbolick\u00e9ho odkazu, kter\u00e9 se li\u0161\u00ed pouze velikost\u00ed p\u00edsmen, co\u017e umo\u017e\u0148uje z\u00e1pis soubor\u016f do adres\u00e1\u0159e .git\/, nam\u00edsto pracovn\u00edho adres\u00e1\u0159e submodulu. Z\u00edsk\u00e1n\u00edm mo\u017enosti z\u00e1pisu do .git\/ m\u016f\u017ee \u00fato\u010dn\u00edk p\u0159epsat hook-y p\u0159es .git\/hooks a dos\u00e1hnout vykon\u00e1n\u00ed libovoln\u00e9ho k\u00f3du b\u011bhem operace «git clone». <\/p>\n
Dal\u0161\u00ed zranitelnosti: <\/p>\n
Krom\u011b opravy zranitelnost\u00ed v nov\u00fdch verz\u00edch byla navr\u017eena tak\u00e9 \u0159ada zm\u011bn zam\u011b\u0159en\u00fdch na zv\u00fd\u0161en\u00ed ochrany proti zranitelnostem, kter\u00e9 vedou k vzd\u00e1len\u00e9mu spu\u0161t\u011bn\u00ed k\u00f3du a manipulaci se symbolick\u00fdmi odkazy p\u0159i prov\u00e1d\u011bn\u00ed klonov\u00e1n\u00ed. Nap\u0159\u00edklad git nyn\u00ed vyd\u00e1v\u00e1 varov\u00e1n\u00ed, pokud se v adres\u00e1\u0159i .git\/ nach\u00e1zej\u00ed symbolick\u00e9 odkazy. Cesty k submodul\u016fm mohou nyn\u00ed obsahovat pouze skute\u010dn\u00e9 adres\u00e1\u0159e. P\u0159i pr\u016fniku symbolick\u00fdch odkaz\u016f a adres\u00e1\u0159\u016f jsou zpracov\u00e1v\u00e1ny adres\u00e1\u0159e. P\u0159i prov\u00e1d\u011bn\u00ed \u201egit clone\u201c byla p\u0159id\u00e1na ochrana proti vykon\u00e1v\u00e1n\u00ed hook\u016f b\u011bhem klonov\u00e1n\u00ed a byly pos\u00edleny kontroly parametru core.hooksPath. \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 2.45.1, 2.44.1, 2.43.4, 2.42.2, 2.41.1, 2.40.2 \u0438 2.39.4, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u043f\u044f\u0442\u044c \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439. \u041d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u0441\u0435\u0440\u044c\u0451\u0437\u043d\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2024-32002), \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \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, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043a\u043e\u0434\u0430 \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u0430 \u043f\u0440\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0438 \u043a\u043b\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043a\u043e\u043c\u0430\u043d\u0434\u043e\u0439 «git clone» \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u044f, 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[…]<\/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-115816","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\udd47P\u011bt zranitelnost\u00ed v Gitu, z nich\u017e jedna je kritick\u00e1 a dv\u011b nebezpe\u010dn\u00e9 | ProHoster","description":"Byly zve\u0159ejn\u011bny opravy pro distribuovan\u00fd syst\u00e9m spr\u00e1vy verz\u00ed Git 2.45.1, 2.44.1, 2.43.4, 2.42.2, 2.41.1, 2.40.2 a 2.39.4, kter\u00e9 odstranily p\u011bt 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Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"