{"id":5303,"date":"2014-11-11T09:00:00","date_gmt":"2014-11-11T12:00:00","guid":{"rendered":"https:\/\/www.psafe.com\/blog\/falhas-no-x-yosemite-revoltam-usuarios"},"modified":"2014-11-10T18:51:22","modified_gmt":"2014-11-10T21:51:22","slug":"falhas-no-x-yosemite-revoltam-usuarios","status":"publish","type":"post","link":"https:\/\/www.psafe.com\/blog\/falhas-no-x-yosemite-revoltam-usuarios\/","title":{"rendered":"Falhas no OS X Yosemite revoltam usu\u00e1rios"},"content":{"rendered":"<p><img decoding=\"async\" alt=\"\" src=\"https:\/\/s.psafe.com.br\/blog\/apple-OS X Yosemite_2014-11-10.jpg\" style=\"height:340px; width:770px\" \/><\/p>\n<p>O lan&ccedil;amento do Yosemite, a mais recente vers&atilde;o do OS X da Apple, tem causado alvoro&ccedil;o no mundo da inform&aacute;tica. O grande problema, por&eacute;m, &eacute; que uma grave falha de seguran&ccedil;a, chamada Rootpipe, consegue dar a um criminoso permiss&otilde;es de root atrav&eacute;s de uma conta com privil&eacute;gios de administrador.<\/p>\n<p>A falha foi descoberta pelo hacker Emil Kvarnhammar, que provou &agrave; Apple que conseguia, no Yosemite, ter permiss&otilde;es de root no aparelho. A empresa afirmou que est&aacute; trabalhando numa solu&ccedil;&atilde;o, que s&oacute; deve chegar no in&iacute;cio de 2015.<\/p>\n<p>A demora acontece porque existe pouca informa&ccedil;&atilde;o dispon&iacute;vel sobre o Rootpipe. O erro foi inicialmente identificado em vers&otilde;es anteriores ao OS X Yosemite, tendo a Apple liberado de imediato uma corre&ccedil;&atilde;o que tratou do problema.<\/p>\n<p>Mesmo assim, Emil Kvarnhammar continuou explorando a mesma falha e com relativa facilidade conseguiu contornar o OS X Yosemite. Apesar de n&atilde;o revelar nada sobre a falha, o hacker publicou <a href=\"https:\/\/www.youtube.com\/watch?v=fCQg2I_pFDk\" target=\"_blank\">um v&iacute;deo onde mostra de forma clara a eleva&ccedil;&atilde;o de privil&eacute;gios numa simples conta<\/a>.<\/p>\n<h2><strong>Outros erros encontrados no sistema<\/strong><\/h2>\n<p>A seguran&ccedil;a &ndash; ou a falta dela &ndash; n&atilde;o foi o &uacute;nico problema encontrado por usu&aacute;rios do Mac OS X Yosemite. Desde que o novo sistema foi liberado, os f&oacute;runs da Apple est&atilde;o cheios de reclama&ccedil;&otilde;es sobre falhas na conex&atilde;o Wi-Fi do equipamento ap&oacute;s o upgrade. Entre elas conex&otilde;es lentas, quase se arrastando, e que caem a toda hora ou que simplesmente n&atilde;o funcionam.<\/p>\n<p>S&atilde;o os pr&oacute;prios usu&aacute;rios, pelos f&oacute;runs, que est&atilde;o propondo solu&ccedil;&otilde;es que funcionaram para alguns. As op&ccedil;&otilde;es incluem reinstalar o sistema operacional; desligar Bluetooth; fazer ajustes finos no sistema e outras alternativas com v&aacute;rios passos. Para a maioria dos prejudicados, por&eacute;m, o problema continua.<\/p>\n<p>Outro erro identificado por usu&aacute;rios aparece no momento da instala&ccedil;&atilde;o do Yosemite. Muitos est&atilde;o reclamando que o sistema trava nos minutos finais. A demora faz com que a pessoa reinicie a opera&ccedil;&atilde;o.<\/p>\n<p>Mas, de acordo com os pr&oacute;prios usu&aacute;rios no f&oacute;rum, a solu&ccedil;&atilde;o para o problema &eacute; muito simples: esperar. Embora o processo trave nesses momentos finais, o que n&atilde;o &eacute; normal, ele acaba concluindo a opera&ccedil;&atilde;o se houver um pouco de paci&ecirc;ncia.&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Falhas no OS X Yosemite revolta usu\u00e1rios da Apple e deixa sistema vulner\u00e1vel. Entenda<\/p>\n","protected":false},"author":114,"featured_media":8473,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[5],"tags":[],"class_list":["post-5303","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ciberseguranca"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Falhas no OS X Yosemite revoltam usu\u00e1rios<\/title>\n<meta name=\"description\" content=\"Falhas no OS X Yosemite revolta usu\u00e1rios da Apple e deixa sistema vulner\u00e1vel. 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