{"id":101281,"date":"2021-09-16T22:22:47","date_gmt":"2021-09-16T20:22:47","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-http-servera-apache-2-4-49-s-ustraneniem-uyazvimostej"},"modified":"2021-09-16T22:22:47","modified_gmt":"2021-09-16T20:22:47","slug":"reliz-http-servera-apache-2-4-49-s-ustraneniem-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/reliz-http-servera-apache-2-4-49-s-ustraneniem-uyazvimostej","title":{"rendered":"Lan\u00e7amento do servidor http Apache 2.4.49 com corre\u00e7\u00f5es de vulnerabilidades","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Foi lan\u00e7ado o Apache HTTP Server 2.4.49, que apresenta 27 altera\u00e7\u00f5es e corrige 5 vulnerabilidades:  <\/p>\n<ul>\n<li class=\"l\"> CVE-2021-33193 \u2014 vulnerabilidade do mod_http2 a uma nova variante do ataque 'HTTP Request Smuggling', que permite a inser\u00e7\u00e3o de conte\u00fado de solicita\u00e7\u00f5es de outros usu\u00e1rios ao enviar solicita\u00e7\u00f5es de cliente formatadas de maneira espec\u00edfica, podendo, por exemplo, injetar c\u00f3digo JavaScript malicioso na sess\u00e3o de outro usu\u00e1rio do site.\n<li class=\"l\"> CVE-2021-40438 \u2014 vulnerabilidade SSRF (Server Side Request Forgery) no mod_proxy, que permite, ao enviar uma solicita\u00e7\u00e3o uri-path formatada de maneira espec\u00edfica, redirecionar a solicita\u00e7\u00e3o para um servidor escolhido pelo atacante.\n<li class=\"l\"> CVE-2021-39275 \u2014 estouro de buffer na fun\u00e7\u00e3o ap_escape_quotes. A vulnerabilidade \u00e9 classificada como n\u00e3o cr\u00edtica, pois todos os m\u00f3dulos padr\u00e3o n\u00e3o enviam dados externos para essa fun\u00e7\u00e3o. No entanto, teoricamente, podem existir m\u00f3dulos de terceiros que permitem um ataque.\n<li class=\"l\"> CVE-2021-36160 \u2014 leituras fora dos limites do buffer no m\u00f3dulo mod_proxy_uwsgi, resultando em falha.\n<li class=\"l\"> CVE-2021-34798 \u2014 desreferencia\u00e7\u00e3o de ponteiro nulo, causando a falha do processo ao lidar com solicita\u00e7\u00f5es formatadas de maneira espec\u00edfica.        <\/li>\n<\/ul>\n<p>As modifica\u00e7\u00f5es mais not\u00e1veis, n\u00e3o relacionadas \u00e0 seguran\u00e7a:   <\/p>\n<ul>\n<li class=\"l\"> Muitas mudan\u00e7as internas foram feitas no mod_ssl. As configura\u00e7\u00f5es 'ssl_engine_set', 'ssl_engine_disable' e 'ssl_proxy_enable' foram transferidas do mod_ssl para o n\u00facleo principal (core). Foram disponibilizadas alternativas para aplica\u00e7\u00e3o. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/ssl-sertifikat\/\"   title=\"SSL\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2294\">SSL<\/a>No mod_proxy, a an\u00e1lise de caminhos com sockets Unix, passados no URL \"proxy:\", foi acelerada.\n<li class=\"l\"> No mod_proxy, a an\u00e1lise de caminhos com socket unix transmitidos na URL 'proxy:' foi acelerada.\n<li class=\"l\"> As capacidades do m\u00f3dulo mod_md, usado para automatizar a obten\u00e7\u00e3o e manuten\u00e7\u00e3o de certificados com o protocolo ACME (Automatic Certificate Management Environment), foram ampliadas. Agora \u00e9 permitido delimitar dom\u00ednios com aspas em  e h\u00e1 suporte para tls-alpn-01. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/domain\/\"   title=\"dom\u00ednios\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"912\">dom\u00ednios<\/a>Foi adicionado o par\u00e2metro StrictHostCheck, que pro\u00edbe a especifica\u00e7\u00e3o de nomes de hosts n\u00e3o configurados na lista de argumentos \"allow\".\n<li class=\"l\"> Adicionado o par\u00e2metro StrictHostCheck, que pro\u00edbe a especifica\u00e7\u00e3o de nomes de host n\u00e3o configurados na lista de argumentos 'allow'.    <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55809\">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 \u0440\u0435\u043b\u0438\u0437 HTTP-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 Apache 2.4.49, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043e 27 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e 5 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439: CVE-2021-33193 &#8212; \u043f\u043e\u0434\u0432\u0435\u0440\u0436\u0435\u043d\u043d\u043e\u0441\u0442\u044c mod_http2 \u043d\u043e\u0432\u043e\u043c\u0443 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u0443 \u0430\u0442\u0430\u043a\u0438 &#171;HTTP Request Smuggling&#187;, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u043c\u0443 \u0447\u0435\u0440\u0435\u0437 \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0443 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u044b\u0445 \u043a\u043b\u0438\u0435\u043d\u0442\u0441\u043a\u0438\u0445 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u0432\u043a\u043b\u0438\u043d\u0438\u0432\u0430\u0442\u044c\u0441\u044f \u0432 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0435 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u0434\u0440\u0443\u0433\u0438\u0445 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439, \u043f\u0435\u0440\u0435\u0434\u0430\u0432\u0430\u0435\u043c\u044b\u0445 \u0447\u0435\u0440\u0435\u0437 mod_proxy (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043c\u043e\u0436\u043d\u043e \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u0432\u0440\u0435\u0434\u043e\u043d\u043e\u0441\u043d\u043e\u0433\u043e JavaScript-\u043a\u043e\u0434\u0430 \u0432 \u0441\u0435\u0430\u043d\u0441 \u0434\u0440\u0443\u0433\u043e\u0433\u043e \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u0441\u0430\u0439\u0442\u0430). CVE-2021-40438 &#8212; SSRF-\u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (Server [&hellip;]<\/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-101281","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 \u0440\u0435\u043b\u0438\u0437 HTTP-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 Apache 2.4.49, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043e 27 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e 5 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439: CVE-2021-33193 - 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