{"id":182869,"date":"2026-08-12T04:54:03","date_gmt":"2026-08-12T02:54:03","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-openssh-10-5"},"modified":"2026-08-12T04:54:03","modified_gmt":"2026-08-12T02:54:03","slug":"vypusk-openssh-10-5","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-openssh-10-5","title":{"rendered":"Lan\u00e7amento do OpenSSH 10.5","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Foi publicado o lan\u00e7amento do OpenSSH 10.5, uma implementa\u00e7\u00e3o aberta de cliente e servidor para operar atrav\u00e9s dos protocolos SSH 2.0 e SFTP. Principais altera\u00e7\u00f5es:  <\/p>\n<ul>\n<li class=\"l\"> Para a vers\u00e3o port\u00e1til do OpenSSH, agora \u00e9 necess\u00e1rio ter suporte \u00e0 criptografia baseada em curvas el\u00edpticas (ECC \u2014 Elliptic Curve Cryptography) na biblioteca libcrypto, incluindo o suporte \u00e0 curva el\u00edptica NISTP521. Implementa\u00e7\u00f5es do libcrypto dos projetos LibreSSL, OpenSSL, BoringSSL e AWS LC j\u00e1 incluem esse suporte por padr\u00e3o.\n<li class=\"l\"> Na ferramenta ssh-keygen, ao redefinir a senha das chaves privadas para tokens FIDO, foi implementada a defini\u00e7\u00e3o das flags touch-required e verify-required, que requerem confirma\u00e7\u00e3o do usu\u00e1rio.\n<li class=\"l\"> Na ferramenta ssh, a ordem de aplica\u00e7\u00e3o dos certificados durante a autentica\u00e7\u00e3o por chave p\u00fablica foi alterada \u2014 agora, em primeiro lugar, s\u00e3o utilizados os chaves FIDO, que n\u00e3o exigem a\u00e7\u00f5es por parte do usu\u00e1rio, enquanto em \u00faltimo lugar s\u00e3o utilizados os chaves que solicitam verifica\u00e7\u00e3o por PIN ou biometria.\n<li class=\"l\"> Foi adicionando o comando \u00abssh -Z user\u00bb, que exibe as chaves na ordem de uso para autentica\u00e7\u00e3o por chave p\u00fablica.\n<li class=\"l\"> Foram corrigidos problemas de seguran\u00e7a:\n<ul>\n<li class=\"l\"> Corrigido o tratamento inadequado de solicita\u00e7\u00f5es de vincula\u00e7\u00e3o de sess\u00e3o ao bloquear o SSH Agent, que permitia a execu\u00e7\u00e3o remota de opera\u00e7\u00f5es que deveriam estar dispon\u00edveis apenas localmente, como a adi\u00e7\u00e3o de tokens PKCS#11 e o uso de chaves vinculadas \u00e0s configura\u00e7\u00f5es de servidores espec\u00edficos.\n<li class=\"l\"> No cliente ssh, foi eliminada uma potencial refer\u00eancia \u00e0 mem\u00f3ria ap\u00f3s sua libera\u00e7\u00e3o (use-after-free), observada ao multiplexar conex\u00f5es SSH atrav\u00e9s de um \u00fanico socket, caso um novo encaminhamento de portas fosse adicionado enquanto o cliente ainda estava aguardando a <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/server\/dts-los-angeles\/\" title=\"servidor\" data-wpil-keyword-link=\"linked\">servidor<\/a> resposta sobre a abertura do encaminhamento anterior.\n<li class=\"l\"> No sshd, foi implementada a aplica\u00e7\u00e3o correta das restri\u00e7\u00f5es definidas pela flag \u00abrestrict\u00bb no arquivo authorized_keys para t\u00faneis redirecionados.      <\/ul>\n<\/ul>\n<p>Fonte: <a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=66065\">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 \u0432\u044b\u043f\u0443\u0441\u043a OpenSSH 10.5, \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043a\u043b\u0438\u0435\u043d\u0442\u0430 \u0438 \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u043f\u043e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430\u043c SSH 2.0 \u0438 SFTP. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f: \u0414\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u043f\u0435\u0440\u0435\u043d\u043e\u0441\u0438\u043c\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 OpenSSH \u0442\u0435\u043f\u0435\u0440\u044c \u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f \u043d\u0430\u043b\u0438\u0447\u0438\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0438 \u043d\u0430 \u0431\u0430\u0437\u0435 \u044d\u043b\u043b\u0438\u043f\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u043a\u0440\u0438\u0432\u044b\u0445 (ECC &#8212; Elliptic Curve Cryptography) \u0432 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 libcrypto, \u0432\u043a\u043b\u044e\u0447\u0430\u044f \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 \u044d\u043b\u043b\u0438\u043f\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u043a\u0440\u0438\u0432\u043e\u0439 NISTP521. \u0412 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f\u0445 libcrypto \u043e\u0442 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432 LibreSSL, OpenSSL, BoringSSL \u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-182869","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 \u0432\u044b\u043f\u0443\u0441\u043a OpenSSH 10.5, \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043a\u043b\u0438\u0435\u043d\u0442\u0430 \u0438 \u0441\u0435\u0440\u0432\u0435\u0440\u0430 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