{"id":121349,"date":"2025-01-15T15:46:07","date_gmt":"2025-01-15T13:46:07","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-git-s-ustraneniem-uyazvimostej"},"modified":"2025-01-15T15:46:07","modified_gmt":"2025-01-15T13:46:07","slug":"obnovlenie-git-s-ustraneniem-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/obnovlenie-git-s-ustraneniem-uyazvimostej","title":{"rendered":"Aktualizace Git s odstran\u011bn\u00edm zranitelnost\u00ed","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Byly vyd\u00e1ny opraven\u00e9 verze distribuovan\u00e9ho syst\u00e9mu spr\u00e1vy verz\u00ed Git 2.41.3, 2.42.4, 2.43.6, 2.44.3, 2.45.3, 2.46.3, v2.47.2 a 2.48.1, kter\u00e9 opravuj\u00ed dv\u011b zranitelnosti:    <\/p>\n<ul>\n<li class=\"l\"> CVE-2024-50349 \u2014 mo\u017enost manipulace s informacemi v interaktivn\u00edm dotazu na heslo pro repozit\u00e1\u0159. Probl\u00e9m je zp\u016fsoben nedostate\u010dnou kontrolou n\u00e1zvu hostitele, kter\u00e1 umo\u017enila k\u00f3dov\u00e1n\u00ed znak\u016f ve form\u00e1tu %xx (URL Encoding). \u00dato\u010dn\u00edk mohl pou\u017e\u00edt procentu\u00e1ln\u00ed k\u00f3dov\u00e1n\u00ed k p\u0159id\u00e1n\u00ed escape sekvenc\u00ed do n\u00e1zvu hostitele, co\u017e ovlivnilo v\u00fdstup na termin\u00e1l.\n<p>T\u00edmto zp\u016fsobem lze nahradit text v\u00fdzvy k ov\u011b\u0159en\u00ed a vytvo\u0159it u u\u017eivatele dojem, \u017ee se jedn\u00e1 o jin\u00fd repozit\u00e1\u0159. P\u0159i pokusu o p\u0159\u00edstup k repozit\u00e1\u0159i \u00fato\u010dn\u00edka tak u\u017eivatel zad\u00e1 u\u017eivatelsk\u00e9 jm\u00e9no a heslo jin\u00e9ho hostitele. \u00datok m\u016f\u017ee b\u00fdt proveden p\u0159i prov\u00e1d\u011bn\u00ed rekurzivn\u00edho klonov\u00e1n\u00ed submodul\u016f p\u0159\u00edkazem \u201egit clone \u2014recurse-submodules\u201c, kdy jeden ze submodul\u016f m\u016f\u017ee po\u017eadovat heslo od jin\u00e9ho hostitele, ale vstup bude odesl\u00e1n na hostitel s repozit\u00e1\u0159em \u00fato\u010dn\u00edka.      <\/p>\n<li class=\"l\"> CVE-2024-52006 \u2014 v implementaci protokolu \u201ecredential helper\u201c, pou\u017e\u00edvan\u00e9ho k p\u0159ed\u00e1v\u00e1n\u00ed p\u0159ihla\u0161ovac\u00edch \u00fadaj\u016f p\u0159i p\u0159\u00edstupu k repozit\u00e1\u0159\u016fm s omezen\u00fdm p\u0159\u00edstupem, byla zji\u0161t\u011bna chyba, kter\u00e1 umo\u017e\u0148uje vlo\u017een\u00ed znaku n\u00e1vratu karoserie specifikovan\u00fdm URL. Proto\u017ee protokol manipuluje po \u0159\u00e1dc\u00edch, p\u0159id\u00e1n\u00ed n\u00e1vratu karoserie m\u016f\u017ee b\u00fdt pou\u017eito k rozd\u011blen\u00ed blok\u016f dat a zaji\u0161t\u011bn\u00ed p\u0159enosu hesla na nespr\u00e1vnou stranu. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/cs\/server\/\"   title=\"server\" data-wpil-keyword-link=\"linked\">server<\/a>Mo\u017enost proveden\u00ed \u00fatoku z\u00e1vis\u00ed na interpretaci znaku n\u00e1vratu karoserie jako odd\u011blova\u010de \u0159\u00e1dk\u016f v r\u016fzn\u00fdch implementac\u00edch protokolu \u201ecredential helper\u201c. Nap\u0159\u00edklad probl\u00e9m se t\u00fdk\u00e1 Git Credential Manageru napsan\u00e9ho v C#\/.NET.    <\/ul>\n<p>U\u017eivatel\u016fm, kte\u0159\u00ed nemaj\u00ed mo\u017enost aktualizovat Git, se doporu\u010duje, aby se vyhnuli p\u0159\u00edstupu k neov\u011b\u0159en\u00fdm extern\u00edm repozit\u00e1\u0159\u016fm pomoc\u00ed p\u0159\u00edkazu \u201egit clone\u201c s p\u0159ep\u00edna\u010dem \u201e\u2014recurse-submodules\u201c, a tak\u00e9 aby vylou\u010dili pou\u017e\u00edv\u00e1n\u00ed zpracovatel\u016f kredenci\u00e1l\u016f p\u0159i klonov\u00e1n\u00ed ve\u0159ejn\u00fdch repozit\u00e1\u0159\u016f. Krom\u011b samotn\u00e9ho Gitu byla vyd\u00e1na tak\u00e9 oprava pro blokov\u00e1n\u00ed t\u011bchto zranitelnost\u00ed pro GitHub Desktop (CVE-2025-23040), Git LFS (CVE-2024-53263) a Git Credential Manager (CVE-2024-50338).<br \/>\n<br \/>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62561\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\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 \u043a\u043e\u0434\u043e\u043c Git 2.41.3, 2.42.4, 2.43.6, 2.44.3, 2.45.3, 2.46.3, v2.47.2 \u0438 2.48.1, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0434\u0432\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438: CVE-2024-50349 &#8212; \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043f\u043e\u0434\u043c\u0435\u043d\u044b \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 \u0432 \u0438\u043d\u0442\u0435\u0440\u0430\u043a\u0442\u0438\u0432\u043d\u043e\u043c \u0437\u0430\u043f\u0440\u043e\u0441\u0435 \u043f\u0430\u0440\u043e\u043b\u044f \u043a \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u0438\u0440\u0438\u044e. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0435\u043c \u0434\u043e\u043b\u0436\u043d\u043e\u0439 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u0438\u043c\u0435\u043d\u0438 \u0445\u043e\u0441\u0442\u0430, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0434\u043e\u043f\u0443\u0441\u043a\u0430\u043b\u043e\u0441\u044c \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u0438\u043c\u0432\u043e\u043b\u043e\u0432 \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 %xx (URL Encoding). \u0410\u0442\u0430\u043a\u0443\u044e\u0449\u0438\u0439 \u043c\u043e\u0433 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043f\u0440\u043e\u0446\u0435\u043d\u0442\u043d\u043e\u0435 [&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-121349","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" 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