{"id":77984,"date":"2020-04-15T07:42:14","date_gmt":"2020-04-15T05:42:14","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-v-git-privodyashhaya-k-utechke-uchyotnyh-dannyh"},"modified":"2020-04-15T07:42:14","modified_gmt":"2020-04-15T05:42:14","slug":"uyazvimost-v-git-privodyashhaya-k-utechke-uchyotnyh-dannyh","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/uyazvimost-v-git-privodyashhaya-k-utechke-uchyotnyh-dannyh","title":{"rendered":"Git-ben tal\u00e1lhat\u00f3 sebezhet\u0151s\u00e9g, amely hiteles\u00edt\u00e9si adatok sziv\u00e1rg\u00e1s\u00e1hoz vezet","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Megjelentek<\/a><\/noindex> A Git verzi\u00f3kezel\u0151 rendszer korrekci\u00f3s kiad\u00e1sai: 2.26.1, 2.25.3, 2.24.2, 2.23.2, 2.22.3, 2.21.2, 2.20.3, 2.19.4, 2.18.3 \u00e9s 2.17.4, amelyek jav\u00edtj\u00e1k vulnerability<\/a><\/noindex> (CVE-2020-5260<\/a><\/noindex>) a kezel\u0151ben <credential.helper<\/a><\/noindex><, amelyhez a hiteles\u00edt\u00e9si adatok nem a megfelel\u0151 hosztra ker\u00fclnek tov\u00e1bb\u00edt\u00e1sra, amikor a git kliens egy k\u00fcl\u00f6nlegesen form\u00e1zott URL-en kereszt\u00fcl, amely \u00faj sor karaktert tartalmaz, h\u00edvja meg a t\u00e1rol\u00f3t. A sebezhet\u0151s\u00e9get kihaszn\u00e1lva a t\u00e1mad\u00f3 ir\u00e1ny\u00edt\u00e1sa alatt \u00e1ll\u00f3 szerverre lehet elk\u00fcldeni egy m\u00e1sik hosztr\u00f3l sz\u00e1rmaz\u00f3 hiteles\u00edt\u00e9si adatokat. <\/p>\n

Ha olyan URL-t adunk meg, mint «https:\/\/evil.com?host=github.com\/», akkor a hiteles\u00edt\u00e9si adatokat kezel\u0151 k\u00f3d az evil.com hosztra val\u00f3 csatlakoz\u00e1skor a github.com-hoz megadott hiteles\u00edt\u00e9si param\u00e9tereket tov\u00e1bb\u00edtja. A probl\u00e9ma olyan m\u0171veletek v\u00e9grehajt\u00e1sakor jelentkezik, mint a «git clone», bele\u00e9rtve az URL-ek kezel\u00e9s\u00e9t a szubmodulek eset\u00e9ben (p\u00e9ld\u00e1ul a «git submodule update» v\u00e9grehajt\u00e1sakor automatikusan feldolgoz\u00e1sra ker\u00fclnek azok az URL-ek, amelyeket a .gitmodules f\u00e1jlban meghat\u00e1roztak a t\u00e1rol\u00f3b\u00f3l). A sebezhet\u0151s\u00e9g a legnagyobb vesz\u00e9lyt olyan helyzetekben jelenti, amikor a fejleszt\u0151 nem l\u00e1tja az URL-t a t\u00e1rol\u00f3 kl\u00f3noz\u00e1sa sor\u00e1n, p\u00e9ld\u00e1ul a szubmodulek kezel\u00e9sekor, vagy automatikus m\u0171veleteket v\u00e9grehajt\u00f3 rendszerekben, p\u00e9ld\u00e1ul csomag\u00e9p\u00edt\u00e9si skriptekben.<\/p>\n

A sebezhet\u0151s\u00e9g blokkol\u00e1s\u00e1hoz \u00faj verzi\u00f3kban tiltva van<\/a><\/noindex> megel\u0151zni az \u00faj sor karakter\u00e9nek \u00e1tad\u00e1s\u00e1t a hiteles\u00edt\u00e9si adatokat kezel\u0151 protokollon kereszt\u00fcl. A disztrib\u00faci\u00f3s csomagok friss\u00edt\u00e9sei figyelhet\u0151k nyomon az al\u00e1bbi oldalakon Debian<\/a><\/noindex>, Ubuntu<\/a><\/noindex>, RHEL<\/a><\/noindex>, SUSE\/openSUSE<\/a><\/noindex>, Fedora<\/a><\/noindex>, Arch<\/a><\/noindex>, FreeBSD<\/a><\/noindex>.<\/p>\n

A probl\u00e9ma megker\u00fcl\u00e9s\u00e9re aj\u00e1nlott<\/a><\/noindex> ne haszn\u00e1ljon credential.helper-t nyilv\u00e1nos t\u00e1rol\u00f3k el\u00e9r\u00e9s\u00e9n\u00e9l, \u00e9s ne alkalmazza a parancsot m\u00f3dban megb\u00edzhatatlan t\u00e1rol\u00f3kkal. A credential.helper teljes letilt\u00e1s\u00e1hoz futtassa a a jelszavak<\/a><\/noindex> t\u00e1rol\u00e1s\u00e1t \u00e9s visszanyer\u00e9s\u00e9t a cache-b\u0151l<\/a><\/noindex>, amely v\u00e9dett t\u00e1rhelyekre<\/a><\/noindex> vagy jelsz\u00f3f\u00e1jl, haszn\u00e1lja az al\u00e1bbi parancsokat:<\/p>\n

git config \u2014unset credential.helper
\n git config \u2014global \u2014unset credential.helper
\n git config \u2014system \u2014unset credential.helper<\/p>\n

<\/a><\/noindex><\/p>\n

Forr\u00e1s: 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 2.26.1, 2.25.3, 2.24.2, 2.23.2, 2.22.3, 2.21.2, 2.20.3, 2.19.4, 2.18.3 \u0438 2.17.4, \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-2020-5260) \u0432 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0435 «credential.helper«, \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0449\u0430\u044f \u043a \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0435 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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-77984","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 Git-ben, amely adatlop\u00e1st okoz | ProHoster","description":"A Git verzi\u00f3kezel\u0151 rendszer korrekci\u00f3s kiad\u00e1sai: 2.26.1, 2.25.3, 2.24.2, 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