{"id":34673,"date":"2019-10-31T21:59:45","date_gmt":"2019-10-31T18:59:45","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vypusk-sistemy-izolyatsii-prilozhenij-firejail-0-9-60\/"},"modified":"2019-10-31T21:59:45","modified_gmt":"2019-10-31T18:59:45","slug":"vypusk-sistemy-izolyatsii-prilozhenij-firejail-0-9-60","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-sistemy-izolyatsii-prilozhenij-firejail-0-9-60","title":{"rendered":"Lan\u00e7amento do sistema de isolamento de aplicativos Firejail 0.9.60","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/netblue30\/firejail\/releases\/tag\/0.9.60\">Viu a luz<\/a><\/noindex> lan\u00e7amento do projeto <noindex><a rel=\"nofollow\" href=\"https:\/\/firejail.wordpress.com\/\">Firejail 0.9.60<\/a><\/noindex>, no qual se desenvolve um sistema para a execu\u00e7\u00e3o isolada de aplica\u00e7\u00f5es gr\u00e1ficas, de console e servidor. A utiliza\u00e7\u00e3o do Firejail minimiza o risco de comprometimento do sistema principal ao executar programas desconfi\u00e1veis ou potencialmente vulner\u00e1veis. O programa \u00e9 escrito em C, <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/netblue30\/firejail\">\u00e9 distribu\u00eddo<\/a><\/noindex> sob a licen\u00e7a GPLv2 e pode funcionar em qualquer distribui\u00e7\u00e3o Linux com n\u00facleo superior a 3.0. Pacotes prontos com o Firejail <noindex><a rel=\"nofollow\" href=\"https:\/\/sourceforge.net\/projects\/firejail\/files\/firejail\/\">foram preparados<\/a><\/noindex> nos formatos deb (Debian, Ubuntu) e rpm (CentOS, Fedora).<\/p>\n<p>Para isolamento no Firejail <noindex><a rel=\"nofollow\" href=\"https:\/\/firejail.wordpress.com\/features-3\/\">s\u00e3o utilizados<\/a><\/noindex>  namespaces, AppArmor e filtragem de chamadas de sistema (seccomp-bpf) no Linux. Ap\u00f3s o lan\u00e7amento, o programa e todos os seus processos filhos utilizam vis\u00f5es separadas dos recursos do n\u00facleo, como a pilha de rede, tabela de processos e pontos de montagem. Aplica\u00e7\u00f5es interdependentes podem ser agrupadas em um \u00fanico sandbox. Se desejado, o Firejail tamb\u00e9m pode ser usado para executar cont\u00eaineres Docker, LXC e OpenVZ. <\/p>\n<p>Ao contr\u00e1rio das ferramentas de isolamento de cont\u00eaineres, o firejail \u00e9 extremamente <noindex><a rel=\"nofollow\" href=\"https:\/\/firejail.wordpress.com\/documentation-2\/basic-usage\/\">simples<\/a><\/noindex> na configura\u00e7\u00e3o e n\u00e3o requer prepara\u00e7\u00e3o de uma imagem do sistema \u2014 a composi\u00e7\u00e3o do cont\u00eainer \u00e9 formada em tempo real com base no conte\u00fado do sistema de arquivos atual e \u00e9 removida ap\u00f3s a conclus\u00e3o do trabalho do aplicativo. S\u00e3o fornecidos meios flex\u00edveis para definir regras de acesso ao sistema de arquivos, permitindo especificar quais arquivos e diret\u00f3rios t\u00eam acesso permitido ou proibido, conectar sistemas de arquivos tempor\u00e1rios (tmpfs) para os dados, restringir o acesso a arquivos ou diret\u00f3rios apenas para leitura e unir diret\u00f3rios atrav\u00e9s de bind-mount e overlayfs.<\/p>\n<p>Para um grande n\u00famero de aplica\u00e7\u00f5es populares, incluindo Firefox, Chromium, VLC e Transmission, perfis prontos foram preparados <noindex><a rel=\"nofollow\" href=\"https:\/\/firejail.wordpress.com\/documentation-2\/building-custom-profiles\/\">de isolamento de chamadas de sistema. Para executar um programa em modo isolado, basta indicar o nome da aplica\u00e7\u00e3o como argumento da ferramenta firejail, por exemplo, \"firejail firefox\" ou \"sudo firejail \/etc\/init.d\/nginx start.\"<\/a><\/noindex> isolamento de chamadas de sistema. Para executar um programa em modo de isolamento, basta especificar o nome do aplicativo como um argumento para a ferramenta firejail, por exemplo, \u00abfirejail firefox\u00bb ou \u00absudo firejail \/etc\/init.d\/nginx start\u00bb. <\/p>\n<p>No novo lan\u00e7amento:<\/p>\n<ul>\n<li class=\"l\"> Uma vulnerabilidade foi corrigida, permitindo que processos maliciosos contornassem o mecanismo de restri\u00e7\u00e3o de chamadas de sistema. A ess\u00eancia da vulnerabilidade \u00e9 que os filtros Seccomp s\u00e3o copiados para o diret\u00f3rio \/run\/firejail\/mnt, que \u00e9 grav\u00e1vel dentro do ambiente isolado. Processos maliciosos executados em modo de isolamento podem modificar esses arquivos, o que far\u00e1 com que novos processos, executados nesse mesmo ambiente, sejam executados sem a aplica\u00e7\u00e3o do filtro de chamadas de sistema.\n<li class=\"l\"> No filtro memory-deny-write-execute, a chamada \u00abmemfd_create\u00bb \u00e9 bloqueada;\n<li class=\"l\"> Foi adicionada uma nova op\u00e7\u00e3o \u00abprivate-cwd\u00bb para alterar o diret\u00f3rio de trabalho para o jail;\n<li class=\"l\"> Foi adicionada a op\u00e7\u00e3o \u00ab--nodbus\u00bb para bloquear sockets D-Bus;\n<li class=\"l\"> Suporte ao CentOS 6 foi restaurado;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/netblue30\/firejail\/pull\/2601\">O suporte para as propriedades -moz-column-* foi encerrado, e os padr\u00f5es sem prefixo devem ser usados.<\/a><\/noindex> suporte a pacotes nos formatos <noindex><a rel=\"nofollow\" href=\"https:\/\/flatpak.org\/\">flatpak<\/a><\/noindex> e <noindex><a rel=\"nofollow\" href=\"https:\/\/snapcraft.io\/\">snap<\/a><\/noindex>.<br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/netblue30\/firejail\/pull\/2601\/commits\/581d3cd01432c6666dbf6168fe5bdb3dae90fa46\">Especificado<\/a><\/noindex>, que para esses pacotes deve-se usar suas pr\u00f3prias ferramentas;<\/p>\n<li class=\"l\"> Novos perfis foram adicionados para isolar 87 programas adicionais, incluindo mypaint, nano, xfce4-mixer, gnome-keyring, redshift, font-manager, gconf-editor, gsettings, freeciv, lincity-ng, openttd, torcs, tremulous, warsow, freemind, kid3, freecol, opencity, utox, freeoffice-planmaker, freeoffice-presentations, freeoffice-textmaker, inkview, meteo-qt, ktouch, yelp e cantata.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50760\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0423\u0432\u0438\u0434\u0435\u043b \u0441\u0432\u0435\u0442 \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Firejail 0.9.60, \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u0434\u043b\u044f \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u0445, \u043a\u043e\u043d\u0441\u043e\u043b\u044c\u043d\u044b\u0445 \u0438 \u0441\u0435\u0440\u0432\u0435\u0440\u043d\u044b\u0445 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439. \u041f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435 Firejail \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043c\u0438\u043d\u0438\u043c\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0440\u0438\u0441\u043a \u043a\u043e\u043c\u043f\u0440\u043e\u043c\u0435\u0442\u0430\u0446\u0438\u0438 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043f\u0440\u0438 \u0437\u0430\u043f\u0443\u0441\u043a\u0435 \u043d\u0435 \u0437\u0430\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u044e\u0449\u0438\u0445 \u0434\u043e\u0432\u0435\u0440\u0438\u044f \u0438\u043b\u0438 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u0443\u044f\u0437\u0432\u0438\u043c\u044b\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c. \u041f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u0430 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438, \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 GPLv2 \u0438 \u043c\u043e\u0436\u0435\u0442 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0432 \u043b\u044e\u0431\u043e\u043c \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0435 Linux \u0441 \u044f\u0434\u0440\u043e\u043c \u0441\u0442\u0430\u0440\u0448\u0435 [&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-34673","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=\"\u0423\u0432\u0438\u0434\u0435\u043b 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