{"id":101183,"date":"2021-09-03T10:22:53","date_gmt":"2021-09-03T08:22:53","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/opublikovany-rezultaty-audita-vpn-klienta-mozilla"},"modified":"2021-09-03T10:22:53","modified_gmt":"2021-09-03T08:22:53","slug":"opublikovany-rezultaty-audita-vpn-klienta-mozilla","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/opublikovany-rezultaty-audita-vpn-klienta-mozilla","title":{"rendered":"Resultados da auditoria do cliente VPN da Mozilla foram publicados","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A empresa Mozilla anunciou a conclus\u00e3o de uma auditoria independente do software cliente para conex\u00e3o ao servi\u00e7o Mozilla VPN. Durante a auditoria, foi realizada uma an\u00e1lise do aplicativo cliente isolado, desenvolvido com a biblioteca Qt e disponibilizado para Linux, macOS, Windows, Android e iOS. O servi\u00e7o Mozilla VPN \u00e9 suportado por mais de 400 servidores do provedor de VPN sueco Mullvad, localizados em mais de 30 pa\u00edses. A conex\u00e3o ao VPN<\/a>-servi\u00e7o \u00e9 realizada atrav\u00e9s do protocolo WireGuard. <\/p>\n

A auditoria foi realizada pela Cure53, que anteriormente auditou projetos como NTPsec, SecureDrop, Cryptocat, F-Droid e Dovecot. A auditoria envolveu a an\u00e1lise de c\u00f3digos-fonte e incluiu testes para identificar poss\u00edveis vulnerabilidades (quest\u00f5es relacionadas \u00e0 criptografia n\u00e3o foram consideradas). Durante a verifica\u00e7\u00e3o, foram identificados 16 problemas de seguran\u00e7a, dos quais 8 eram recomenda\u00e7\u00f5es, 5 foram classificados como de baixo risco, 2 como m\u00e9dio e 1 como alto. <\/p>\n

No entanto, apenas um problema de m\u00e9dio n\u00edvel de gravidade foi classificado como uma vulnerabilidade, j\u00e1 que apenas ele era pass\u00edvel de explora\u00e7\u00e3o. O problema mencionado resultava em vazamento de informa\u00e7\u00f5es sobre o uso da VPN no c\u00f3digo para detectar captive portal devido ao envio de solicita\u00e7\u00f5es diretas n\u00e3o criptografadas via HTTP, transmitidas fora do t\u00fanel VPN e revelando o IP p\u00fablico do usu\u00e1rio caso um invasor pudesse controlar o tr\u00e1fego de tr\u00e2nsito. O problema \u00e9 resolvido desativando o modo de detec\u00e7\u00e3o de captive portal nas configura\u00e7\u00f5es. <\/p>\n

O segundo problema de nível médio de gravidade está relacionado à falta de limpeza adequada de valores não numéricos no número da porta, o que permite causar uma vazamento de parâmetros de autenticação OAuth por meio da substituição do número da porta por uma string no formato "1234@example.com", o que resultará na instalação de uma tag <img src="»http:\/\/127.0.0.1:1234@example.com\/?code=…»" alt="»»">, que faz referência a example.com em vez de 127.0.0.1. <\/p>\n

O terceiro problema, classificado como perigoso, permite que qualquer aplicativo local, sem autentica\u00e7\u00e3o, se conecte ao cliente VPN atrav\u00e9s de WebSocket, vinculado ao localhost. Como exemplo, foi demonstrado que, com o cliente VPN ativo, qualquer site poderia organizar a cria\u00e7\u00e3o e o envio de uma captura de tela por meio da gera\u00e7\u00e3o de um evento screen_capture. O problema n\u00e3o foi classificado como uma vulnerabilidade, pois o WebSocket era utilizado apenas em compila\u00e7\u00f5es internas de teste e a utiliza\u00e7\u00e3o deste canal de comunica\u00e7\u00e3o estava planejada para o futuro, para organizar a intera\u00e7\u00e3o com a extens\u00e3o do navegador.
\n
Fonte: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Mozilla \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e \u0437\u0430\u0432\u0435\u0440\u0448\u0435\u043d\u0438\u0438 \u043d\u0435\u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0433\u043e \u0430\u0443\u0434\u0438\u0442\u0430 \u043a\u043b\u0438\u0435\u043d\u0442\u0441\u043a\u043e\u0433\u043e \u041f\u041e \u0434\u043b\u044f \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u043a \u0441\u0435\u0440\u0432\u0438\u0441\u0443 Mozilla VPN. \u0412 \u0445\u043e\u0434\u0435 \u0430\u0443\u0434\u0438\u0442\u0430 \u0431\u044b\u043b \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d \u0430\u043d\u0430\u043b\u0438\u0437 \u043e\u0431\u043e\u0441\u043e\u0431\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u043a\u043b\u0438\u0435\u043d\u0442\u0441\u043a\u043e\u0433\u043e \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f, \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u043e\u0433\u043e \u0441 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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-101183","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\udd47Resultados da auditoria do cliente VPN da Mozilla publicados | ProHoster","description":"A empresa Mozilla anunciou a conclus\u00e3o de uma auditoria independente do software cliente para conex\u00e3o ao servi\u00e7o Mozilla 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