{"id":32934,"date":"2019-10-31T21:49:47","date_gmt":"2019-10-31T18:49:47","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vse-dopolneniya-k-firefox-otklyucheny-iz-za-istecheniya-sroka-sertifikata-mozilla\/"},"modified":"2019-10-31T21:49:47","modified_gmt":"2019-10-31T18:49:47","slug":"vse-dopolneniya-k-firefox-otklyucheny-iz-za-istecheniya-sroka-sertifikata-mozilla","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vse-dopolneniya-k-firefox-otklyucheny-iz-za-istecheniya-sroka-sertifikata-mozilla","title":{"rendered":"Todos os complementos do Firefox foram desativados devido \u00e0 expira\u00e7\u00e3o do certificado da Mozilla","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A empresa Mozilla avisou<\/a><\/noindex> sobre o surgimento em massa de problemas<\/a><\/noindex> com extens\u00f5es do Firefox. Todos os usu\u00e1rios do navegador tiveram suas extens\u00f5es bloqueadas devido \u00e0 expira\u00e7\u00e3o do certificado utilizado para a forma\u00e7\u00e3o de assinaturas digitais. Al\u00e9m disso, observa-se a impossibilidade de instalar novas extens\u00f5es do cat\u00e1logo oficial AMO<\/a><\/noindex> (addons.mozilla.org). <\/p>\n

A sa\u00edda para essa situa\u00e7\u00e3o ainda n\u00e3o foi encontrada<\/a><\/noindex>, os desenvolvedores da Mozilla est\u00e3o considerando op\u00e7\u00f5es de corre\u00e7\u00e3o e at\u00e9 agora se restringiram a uma confirma\u00e7\u00e3o geral da situa\u00e7\u00e3o. \u00c9 mencionado apenas que as extens\u00f5es tornaram-se inativas ap\u00f3s as 0 horas (UTC) do dia 4 de maio. O certificado deveria ter sido renovado uma semana atr\u00e1s, mas por alguma raz\u00e3o isso n\u00e3o ocorreu e esse fato passou despercebido. Agora, alguns minutos ap\u00f3s iniciar o navegador, uma mensagem de alerta sobre a desativa\u00e7\u00e3o das extens\u00f5es devido a problemas com a assinatura digital aparece e as extens\u00f5es desaparecem da lista. A verifica\u00e7\u00e3o da assinatura digital \u00e9 realizada uma vez por dia ou ap\u00f3s o lan\u00e7amento do navegador, portanto, em inst\u00e2ncias do Firefox que est\u00e3o em execu\u00e7\u00e3o h\u00e1 muito tempo, as extens\u00f5es podem ser desativadas n\u00e3o imediatamente.<\/p>\n

\"Todos<\/a><\/noindex><\/center><\/p>\n

Como uma solu\u00e7\u00e3o alternativa para restaurar o acesso a complementos, os usu\u00e1rios do Linux podem desativar a verifica\u00e7\u00e3o de assinatura digital, alterando a vari\u00e1vel \"xpinstall.signatures.required\" para \"false\" em about:config. Este m\u00e9todo funciona apenas em vers\u00f5es est\u00e1veis e beta no Linux e Android; para Windows e macOS, essa manipula\u00e7\u00e3o s\u00f3 \u00e9 poss\u00edvel em vers\u00f5es nightly e na vers\u00e3o para desenvolvedores (Developer Edition). Como alternativa, tamb\u00e9m \u00e9 poss\u00edvel alterar a data do sistema para um momento anterior ao vencimento do certificado, o que permitir\u00e1 a instala\u00e7\u00e3o de complementos do cat\u00e1logo AMO, mas a marca de desativa\u00e7\u00e3o j\u00e1 instalada n\u00e3o ser\u00e1 removida.<\/p>\n

Lembramos que a verifica\u00e7\u00e3o obrigat\u00f3ria das extens\u00f5es do Firefox por assinaturas digitais foi implementada<\/a><\/noindex> em abril de 2016. Na opini\u00e3o da Mozilla, a verifica\u00e7\u00e3o por assinatura digital permite bloquear a dissemina\u00e7\u00e3o de extens\u00f5es maliciosas e de espionagem dos usu\u00e1rios. Alguns desenvolvedores de extens\u00f5es n\u00e3o concordam<\/a><\/noindex> Com essa posi\u00e7\u00e3o, acredita-se que o mecanismo de verifica\u00e7\u00e3o obrigat\u00f3ria por assinatura digital apenas cria dificuldades para os desenvolvedores e leva a um aumento no tempo de disponibiliza\u00e7\u00e3o de lan\u00e7amentos corretivos aos usu\u00e1rios, sem impactar a seguran\u00e7a. Existem muitos m\u00e9todos triviais e \u00f3bvios de contorno<\/a><\/noindex> do sistema de verifica\u00e7\u00e3o automatizada de complementos, permitindo a inser\u00e7\u00e3o discreta de c\u00f3digo malicioso, por exemplo, atrav\u00e9s da forma\u00e7\u00e3o de opera\u00e7\u00f5es em tempo real unindo v\u00e1rias strings para execu\u00e7\u00e3o da string resultante com a chamada eval. A posi\u00e7\u00e3o da Mozilla resume-se<\/a><\/noindex> no fato de que a maioria dos autores de complementos maliciosos \u00e9 pregui\u00e7osa e n\u00e3o recorrer\u00e1 a tais t\u00e9cnicas de oculta\u00e7\u00e3o de atividades maliciosas. <\/p>\n

Nota: Os desenvolvedores da Mozilla informaram<\/a><\/noindex> sobre o in\u00edcio dos testes de uma corre\u00e7\u00e3o que, se validada com sucesso, ser\u00e1 rapidamente disponibilizada aos usu\u00e1rios (a decis\u00e3o sobre a aplica\u00e7\u00e3o da corre\u00e7\u00e3o proposta ainda n\u00e3o foi tomada). At\u00e9 que a corre\u00e7\u00e3o seja aplicada, a forma\u00e7\u00e3o de assinaturas digitais para novos complementos est\u00e1 desativada.<\/p>\n

<\/a><\/noindex><\/p>\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 \u043f\u0440\u0435\u0434\u0443\u043f\u0440\u0435\u0434\u0438\u043b\u0430 \u043e \u0432\u043e\u0437\u043d\u0438\u043a\u043d\u043e\u0432\u0435\u043d\u0438\u0438 \u043c\u0430\u0441\u0441\u043e\u0432\u044b\u0445 \u043f\u0440\u043e\u0431\u043b\u0435\u043c \u0441 \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f\u043c\u0438 \u043a Firefox. \u0423 \u0432\u0441\u0435\u0445 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430 \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043e\u043a\u0430\u0437\u0430\u043b\u0438\u0441\u044c \u0437\u0430\u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u043c\u0438 \u0438\u0437-\u0437\u0430 \u0438\u0441\u0442\u0435\u0447\u0435\u043d\u0438\u044f \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u0436\u0438\u0437\u043d\u0438 \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u0430, 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\u043d\u0430\u0439\u0434\u0435\u043d, \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 Mozilla \u043e\u0431\u0434\u0443\u043c\u044b\u0432\u0430\u044e\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u044b \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438 \u043f\u043e\u043a\u0430 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":24696,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-32934","post","type-post","status-publish","format-standard","has-post-thumbnail","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\udd47Todos os 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