A capacidade de enviar quaisquer dados em resposta a consultas feitas ao antigo servi\u00e7o WHOIS do dom\u00ednio .MOBI foi utilizada para desenvolver v\u00e1rios tipos de ataques contra os remetentes das solicita\u00e7\u00f5es. A primeira variante do ataque baseou-se na suposi\u00e7\u00e3o de que, se algu\u00e9m continua a enviar consultas para um servi\u00e7o h\u00e1 muito substitu\u00eddo, provavelmente o faz usando uma ferramenta desatualizada que cont\u00e9m vulnerabilidades. <\/p>\n
Por exemplo, no phpWHOIS em 2015, uma vulnerabilidade CVE-2015-5243 foi identificada, permitindo a execu\u00e7\u00e3o de c\u00f3digo do atacante ao processar dados especialmente formatados retornados pelo servidor WHOIS. Outro exemplo \u00e9 a vulnerabilidade CVE-2021-32749 identificada em 2021 no pacote Fail2Ban, que permite a execu\u00e7\u00e3o de c\u00f3digo externo ao retornar dados incorretos do servi\u00e7o WHOIS, utilizado no processo de gera\u00e7\u00e3o de alertas de bloqueio (Fail2Ban determinava atrav\u00e9s do WHOIS o e-mail do administrador do host e o mencionava ao executar o comando mail sem a correta escapagem de caracteres especiais). <\/p>\n
O segundo ataque \u00e9 baseado no fato de que alguns centros de certifica\u00e7\u00e3o oferecem a possibilidade de verificar a posse do dom\u00ednio por meio do email listado na base de dados do registrador de dom\u00ednio, acess\u00edvel via protocolo WHOIS. Descobriu-se que v\u00e1rios centros de certifica\u00e7\u00e3o que suportam tal m\u00e9todo de verifica\u00e7\u00e3o continuam a usar o antigo servidor WHOIS para o dom\u00ednio .MOBI. <\/p>\n
Assim, ao obter controle sobre o nome whois.dotmobiregistry.net, os atacantes podem retornar seus dados, realizar a confirma\u00e7\u00e3o e obter Certificado TLS<\/a> para qualquer dom\u00ednio na zona .MOBI. Por exemplo, durante o experimento, os pesquisadores solicitaram ao registrador GlobalSign um certificado TLS para o dom\u00ednio microsoft.mobi e o email fict\u00edcio retornado pelo servi\u00e7o WHOIS foi apresentado na interface como dispon\u00edvel para o envio do c\u00f3digo de verifica\u00e7\u00e3o de posse do dom\u00ednio. \u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 watchTowr Labs \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0438 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430 \u0441 \u0437\u0430\u0445\u0432\u0430\u0442\u043e\u043c \u0443\u0441\u0442\u0430\u0440\u0435\u0432\u0448\u0435\u0433\u043e WHOIS-\u0441\u0435\u0440\u0432\u0438\u0441\u0430 \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u0430 \u0434\u043e\u043c\u0435\u043d\u043d\u043e\u0439 \u0437\u043e\u043d\u044b «.MOBI». \u041f\u043e\u0432\u043e\u0434\u043e\u043c \u0434\u043b\u044f \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u044f \u043f\u043e\u0441\u043b\u0443\u0436\u0438\u043b\u043e \u0442\u043e, \u0447\u0442\u043e \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440 \u043f\u043e\u043c\u0435\u043d\u044f\u043b \u0430\u0434\u0440\u0435\u0441 WHOIS-\u0441\u0435\u0440\u0432\u0438\u0441\u0430, \u043f\u0435\u0440\u0435\u043c\u0435\u0441\u0442\u0438\u0432 \u0435\u0433\u043e \u0441 \u0434\u043e\u043c\u0435\u043d\u0430 whois.dotmobiregistry.net \u043d\u0430 \u043d\u043e\u0432\u044b\u0439 \u0445\u043e\u0441\u0442 whois.nic.mobi. \u041f\u0440\u0438 \u044d\u0442\u043e\u043c \u0434\u043e\u043c\u0435\u043d dotmobiregistry.net \u043f\u0435\u0440\u0435\u0441\u0442\u0430\u043b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0438 \u0432 \u0434\u0435\u043a\u0430\u0431\u0440\u0435 2023 \u0433\u043e\u0434\u0430 \u0431\u044b\u043b \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0451\u043d \u0438 \u0441\u0442\u0430\u043b \u0434\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0434\u043b\u044f \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0430\u0446\u0438\u0438. \u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u043f\u043e\u0442\u0440\u0430\u0442\u0438\u043b\u0438 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":119767,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-119766","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\udd47Tentativa de 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<\/center>
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Fonte: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"