O GitHub revelou informa\u00e7\u00f5es sobre uma vulnerabilidade que permite o acesso ao conte\u00fado de vari\u00e1veis de ambiente expostas em cont\u00eaineres usados na infraestrutura de produ\u00e7\u00e3o. A vulnerabilidade foi identificada por um participante do programa Bug Bounty, que se candidatou a uma recompensa por encontrar problemas de seguran\u00e7a. O problema afeta tanto o servi\u00e7o GitHub.com quanto as configura\u00e7\u00f5es do GitHub Enterprise Server (GHES) executadas em sistemas de usu\u00e1rios. <\/p>\n
A an\u00e1lise de logs e a auditoria da infraestrutura n\u00e3o revelaram vest\u00edgios da explora\u00e7\u00e3o da vulnerabilidade no passado, exceto pela atividade do pesquisador que reportou o problema. No entanto, uma troca de todas as chaves de criptografia e credenciais que poderiam estar potencialmente comprometidas foi iniciada na infraestrutura, em caso de explora\u00e7\u00e3o da vulnerabilidade por um invasor. A troca das chaves internas resultou na interrup\u00e7\u00e3o de alguns servi\u00e7os entre 27 e 29 de dezembro. Os administradores do GitHub tentaram considerar os erros cometidos na atualiza\u00e7\u00e3o de ontem das chaves que afetam os clientes. <\/p>\n
Entre outras atualiza\u00e7\u00f5es, a chave GPG usada para assinar digitalmente os commits feitos pelo editor web do GitHub ao aceitar pull requests no site ou pelo conjunto de ferramentas do Codespace foi atualizada. A antiga chave deixou de ser v\u00e1lida em 16 de janeiro \u00e0s 23 horas, hor\u00e1rio de Moscovo, e em seu lugar um novo chave passou a ser aplicada desde ontem. A partir de 23 de janeiro, todos os novos commits assinados pela chave anterior n\u00e3o ser\u00e3o marcados no site do GitHub como verificados. <\/p>\n
Em 16 de janeiro, tamb\u00e9m foram atualizadas as chaves p\u00fablicas usadas para criptografar os dados do usu\u00e1rio enviados atrav\u00e9s da API no GitHub Actions, GitHub Codespaces e Dependabot. Os usu\u00e1rios que utilizam chaves p\u00fablicas pertencentes ao GitHub para valida\u00e7\u00e3o local de commits e para criptografar dados transmitidos s\u00e3o aconselhados a garantir que tenham atualizado suas chaves GPG do GitHub e que seus sistemas continuem funcionando ap\u00f3s a troca das chaves. <\/p>\n
A empresa GitHub j\u00e1 corrigiu a vulnerabilidade no site GitHub.com e lan\u00e7ou uma atualiza\u00e7\u00e3o do produto GHES 3.8.13, 3.9.8, 3.10.5 e 3.11.3, que inclui a corre\u00e7\u00e3o da CVE-2024-0200 (uso inseguro de reflex\u00f5es que leva \u00e0 execu\u00e7\u00e3o de c\u00f3digo ou m\u00e9todos controlados pelo usu\u00e1rio no lado do servidor). servidor<\/a>). Um ataque a instala\u00e7\u00f5es locais do GHES poderia ser realizado por um invasor com uma conta com direitos de gerenciamento da organiza\u00e7\u00e3o (propriet\u00e1rio da organiza\u00e7\u00e3o). GitHub \u0440\u0430\u0441\u043a\u0440\u044b\u043b \u0441\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u043e\u0431 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0439 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u043c\u0443 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0445 \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u0439, \u0432\u044b\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u0432 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u0430\u0445, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u044b\u0445 \u0432 \u0440\u0430\u0431\u043e\u0447\u0435\u0439 \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0435. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0431\u044b\u043b\u0430 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\u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439. \u0410\u043d\u0430\u043b\u0438\u0437 \u043b\u043e\u0433\u043e\u0432 \u0438 \u0430\u0443\u0434\u0438\u0442 […]<\/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-112958","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\udd47O GitHub atualizou as chaves GPG devido a uma vulnerabilidade que leva a vazamentos de vari\u00e1veis de ambiente | ProHoster","description":"O GitHub divulgou informa\u00e7\u00f5es sobre uma 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Fonte: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"