{"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\/pt\/blog\/news\/obnovlenie-git-s-ustraneniem-uyazvimostej","title":{"rendered":"Atualiza\u00e7\u00e3o do Git corrigindo vulnerabilidades","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Foram publicados lan\u00e7amentos corretivos do sistema de controle de vers\u00e3o distribu\u00eddo Git 2.41.3, 2.42.4, 2.43.6, 2.44.3, 2.45.3, 2.46.3, v2.47.2 e 2.48.1, que corrigem duas vulnerabilidades:    <\/p>\n<ul>\n<li class=\"l\"> CVE-2024-50349 \u2014 possibilidade de substituir informa\u00e7\u00f5es em uma solicita\u00e7\u00e3o interativa de senha para o reposit\u00f3rio. O problema decorre da falta de verifica\u00e7\u00e3o adequada do nome do host, onde a codifica\u00e7\u00e3o de caracteres no formato %xx (URL Encoding) era permitida. Um atacante poderia usar codifica\u00e7\u00e3o percentual para inserir sequ\u00eancias de escape no nome do host, manipulando a sa\u00edda no terminal.\n<p>Dessa forma, \u00e9 poss\u00edvel substituir o texto do convite de autentica\u00e7\u00e3o e criar no usu\u00e1rio a sensa\u00e7\u00e3o de que est\u00e1 acessando outro reposit\u00f3rio, de modo que, ao interagir com o reposit\u00f3rio do atacante, o usu\u00e1rio insira o login e a senha de outro host. O ataque pode ser realizado durante a clonagem recursiva de subm\u00f3dulos com o comando \u00abgit clone \u2014recurse-submodules\u00bb, no qual um dos subm\u00f3dulos pode solicitar a senha de outro host, mas a entrada ser\u00e1 enviada para o host do reposit\u00f3rio do atacante.      <\/p>\n<li class=\"l\"> CVE-2024-52006 \u2014 na implementa\u00e7\u00e3o do protocolo \u00abcredential helper\u00bb, utilizado para a transfer\u00eancia de credenciais ao acessar reposit\u00f3rios com acesso restrito, foi identificada uma falha que permite inserir um caractere de retorno de carro nos dados atrav\u00e9s da especifica\u00e7\u00e3o de uma URL especialmente formatada. Como o protocolo manipula dados linha por linha, a adi\u00e7\u00e3o do retorno de carro pode ser usada para dividir blocos de dados e organizar a transmiss\u00e3o da senha para o local errado. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/server\/\"   title=\"servidor\" data-wpil-keyword-link=\"linked\">servidor<\/a>A possibilidade de um ataque depende da interpreta\u00e7\u00e3o do caractere de retorno de carro como um delimitador de linha em v\u00e1rias implementa\u00e7\u00f5es do protocolo \u00abcredential helper\u00bb. Por exemplo, a vulnerabilidade afeta o Git Credential Manager, escrito em C#\/ .NET.    <\/ul>\n<p>Para usu\u00e1rios que n\u00e3o t\u00eam a op\u00e7\u00e3o de atualizar o Git, recomenda-se evitar o acesso a reposit\u00f3rios externos n\u00e3o verificados usando o comando \u00abgit clone\u00bb com a flag \u00ab\u2014recurse-submodules\u00bb, al\u00e9m de descartar o uso de gerenciadores de credenciais ao clonar reposit\u00f3rios p\u00fablicos. Al\u00e9m do pr\u00f3prio Git, corre\u00e7\u00f5es para bloquear essas vulnerabilidades foram lan\u00e7adas para o GitHub Desktop (CVE-2025-23040), Git LFS (CVE-2024-53263) e Git Credential Manager (CVE-2024-50338).<br \/>\n<br \/>Fonte: <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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