{"id":138857,"date":"2025-07-08T23:12:03","date_gmt":"2025-07-08T21:12:03","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimosti-v-git-dopuskayushhie-vypolnenie-koda-pri-obrashhenii-k-vneshnemu-repozitoriyu"},"modified":"2025-07-08T23:12:03","modified_gmt":"2025-07-08T21:12:03","slug":"uyazvimosti-v-git-dopuskayushhie-vypolnenie-koda-pri-obrashhenii-k-vneshnemu-repozitoriyu","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/uyazvimosti-v-git-dopuskayushhie-vypolnenie-koda-pri-obrashhenii-k-vneshnemu-repozitoriyu","title":{"rendered":"Vulnerabilidades no Git que permitem a execu\u00e7\u00e3o de c\u00f3digo ao acessar um reposit\u00f3rio externo","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Foram publicadas as vers\u00f5es corretivas do sistema distribu\u00eddo de gerenciamento de c\u00f3digo-fonte Git 2.43.7, 2.44.4, 2.45.4, 2.46.4, 2.47.3, 2.48.2, 2.49.1 e 2.50.1, nas quais foram corrigidas vulnerabilidades que permitem a execu\u00e7\u00e3o de c\u00f3digo no sistema do usu\u00e1rio durante a opera\u00e7\u00e3o de clonagem de um reposit\u00f3rio sob controle do atacante.      <\/p>\n<ul>\n<li class=\"l\"> CVE-2025-48384 \u2014 a vulnerabilidade \u00e9 causada pelo fato de que, ao ler os valores dos par\u00e2metros de configura\u00e7\u00e3o do Git, ele remove os caracteres de nova linha (LF) e retorno de carro (CR) especificados no final, mas ao gravar valores no arquivo de configura\u00e7\u00e3o, n\u00e3o escapa o caractere de retorno de carro. Um atacante pode especificar, ao inicializar um subm\u00f3dulo, um caminho cujo nome termina com um caractere de retorno de carro (os sistemas de arquivos em sistemas operacionais semelhantes ao Unix permitem a inclus\u00e3o de caracteres especiais nos nomes de arquivos e diret\u00f3rios).\n<p>A remo\u00e7\u00e3o do caractere de retorno de carro ao ler a configura\u00e7\u00e3o resultar\u00e1 na extra\u00e7\u00e3o do subm\u00f3dulo em um caminho incorreto. O atacante pode colocar, nesse caminho incorreto, um link simb\u00f3lico que aponta para um diret\u00f3rio com git hooks e colocar nele um manipulador que \u00e9 chamado ap\u00f3s a conclus\u00e3o da opera\u00e7\u00e3o de checkout. A execu\u00e7\u00e3o do comando \u00abgit clone \u2014recursive\u00bb em um reposit\u00f3rio com esse tipo de subm\u00f3dulo resultar\u00e1 na execu\u00e7\u00e3o do c\u00f3digo especificado pelo invasor.      <\/p>\n<li class=\"l\"> CVE-2025-48385 \u2014 verifica\u00e7\u00e3o insuficiente do lado do cliente dos arquivos bundle fornecidos <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/server\/dts-prohoster\/\"   title=\"servidor\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3105\">servidor<\/a> durante a clonagem do reposit\u00f3rio e utilizados para transmitir parte dos dados via sistemas de entrega de conte\u00fado (CDN). Um atacante que controla o servidor Git pode organizar o download, pelo cliente, de um arquivo bundle especialmente formatado que, ap\u00f3s a extra\u00e7\u00e3o, ser\u00e1 salvo em qualquer lugar do sistema de arquivos.\n<li class=\"l\"> CVE-2025-48386 \u2014 vulnerabilidade espec\u00edfica do Windows, causada por um estouro de buffer no manipulador Wincred, usado para salvar credenciais no Windows Credential Manager.     <\/ul>\n<p>Al\u00e9m disso, foram corrigidas quatro vulnerabilidades nas interfaces gr\u00e1ficas Gitk e Git GUI, escritas em Tcl\/Tk:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2025-27613 \u2014 a abertura de um reposit\u00f3rio especialmente formatado no Gitk pode causar a sobrescrita de arquivos arbitr\u00e1rios no sistema de arquivos.\n<li class=\"l\"> CVE-2025-27614 \u2014 a execu\u00e7\u00e3o de \u00abgitk filename\u00bb em um reposit\u00f3rio especialmente formatado pode levar \u00e0 execu\u00e7\u00e3o de um script preparado pelo atacante.\n<li class=\"l\"> CVE-2025-46334 \u2014 no Git GUI no Windows, \u00e9 poss\u00edvel organizar a execu\u00e7\u00e3o de c\u00f3digo do atacante quando o usu\u00e1rio realiza a\u00e7\u00f5es como \u00abGit Bash\u00bb ou \u00abBrowse Files\u00bb com um reposit\u00f3rio, cuja \u00e1rvore de trabalho cont\u00e9m arquivos execut\u00e1veis padr\u00e3o fornecidos pelo atacante, como sh.exe, astextplain.exe, exif.exe e ps2ascii.exe, chamados durante o funcionamento do Git GUI.\n<li class=\"l\"> CVE-2025-46335 \u2014 possibilidade de criar ou sobrescrever um arquivo arbitr\u00e1rio no sistema de arquivos ao editar um arquivo no Git GUI de um diret\u00f3rio com um nome especialmente formatado, extra\u00eddo de um reposit\u00f3rio preparado pelo atacante.    <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=63552\">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\u0438 \u0442\u0435\u043a\u0441\u0442\u0430\u043c\u0438 Git 2.43.7, 2.44.4, 2.45.4, 2.46.4, 2.47.3, 2.48.2, 2.49.1 \u0438 2.50.1, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u0441\u0432\u043e\u0439 \u043a\u043e\u0434 \u043d\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u043f\u0440\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u043a\u043b\u043e\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u044f, \u043f\u043e\u0434\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044c\u043d\u043e\u0433\u043e \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0435\u043c\u0443. CVE-2025-48384 &#8212; \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u0442\u0435\u043c, \u0447\u0442\u043e \u043f\u0440\u0438 \u0447\u0442\u0435\u043d\u0438\u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u043e\u0432 \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u0438 Git \u043e\u0447\u0438\u0449\u0430\u0435\u0442 \u0443\u043a\u0430\u0437\u0430\u043d\u043d\u044b\u0435 \u0432 \u043a\u043e\u043d\u0446\u0435 \u0441\u0438\u043c\u0432\u043e\u043b\u044b \u043f\u0435\u0440\u0435\u0432\u043e\u0434\u0430 \u0441\u0442\u0440\u043e\u043a\u0438 [&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-138857","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\" content=\"\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 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