{"id":609,"date":"2012-09-25T19:00:24","date_gmt":"2012-09-25T19:00:24","guid":{"rendered":"http:\/\/meiobyte.com\/mb\/?p=609"},"modified":"2012-09-25T17:44:24","modified_gmt":"2012-09-25T17:44:24","slug":"pesquisadores-usam-celulares-android-para-andar-de-graca-no-metro","status":"publish","type":"post","link":"https:\/\/meiobyte.com\/mb\/pesquisadores-usam-celulares-android-para-andar-de-graca-no-metro\/","title":{"rendered":"Pesquisadores usam celulares Android para andar de gra\u00e7a no metr\u00f4"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"color: #ff6600;\"><em>&#8220;Especialistas encontraram falhas em cart\u00f5es RFID. Falha permite gravar cr\u00e9ditos infinitos nos cart\u00f5es.<\/em><\/span>&#8220;<\/p>\n<p style=\"text-align: justify;\"><a href=\"http:\/\/meiobyte.com\/mb\/wp-content\/uploads\/2012\/09\/unnamed.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-610\" title=\"unnamed\" src=\"http:\/\/meiobyte.com\/mb\/wp-content\/uploads\/2012\/09\/unnamed.jpg\" alt=\"\" width=\"138\" height=\"230\" \/><\/a>Os pesquisadores em seguran\u00e7a Corey Benninger e Max Sobell divulgaram, durante a confer\u00eancia de seguran\u00e7a EUSecWest, na semana passada, uma brecha existente em cart\u00f5es de identifica\u00e7\u00e3o por radiofrequ\u00eancia (RFID) usados em sistemas de transporte p\u00fablico. A dupla conseguiu criar um aplicativo para Android que reescreve os dados no cart\u00e3o para deix\u00e1-lo com 10 cr\u00e9ditos. O procedimento pode ser realizado infinitas vezes e requer um celular com tecnologia NFC (near field communications).<\/p>\n<p style=\"text-align: justify;\"><!--more--><br \/>\nSistemas de transporte em S\u00e3o Francisco e em Nova Jersey foram confirmados como vulner\u00e1veis. Sistemas na cidades norte-americanas de Boston, Seattle e Chicago tamb\u00e9m podem ter o problema, porque utilizam cart\u00f5es com o mesmo chip \u2013 o MIFARE Ultralight.<\/p>\n<p style=\"text-align: justify;\">Os especialistas publicaram um aplicativo para Android, o UltraCardTester, que verifica se um cart\u00e3o \u00e9 ou n\u00e3o vulner\u00e1vel \u00e0 t\u00e9cnica. Ao contr\u00e1rio do aplicativo usado pelos especialistas para testar a falha, a vers\u00e3o publicada e dispon\u00edvel no Google Play (<span style=\"color: #ff6600;\"><a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.intrepidus.ultracardtester\" target=\"_blank\"><span style=\"color: #ff6600;\">acesse aqui<\/span><\/a><\/span>) n\u00e3o permite inserir cr\u00e9ditos nos cart\u00f5es. O app apenas diz se a t\u00e9cnica seria poss\u00edvel ou n\u00e3o.<\/p>\n<p style=\"text-align: justify;\">Um v\u00eddeo (<a href=\"http:\/\/vimeo.com\/49664045\" target=\"_blank\"><span style=\"color: #ff6600;\">veja aqui<\/span><\/a>) mostra a explora\u00e7\u00e3o da falha. Ap\u00f3s colocar o cart\u00e3o pr\u00f3ximo ao celular e executar o aplicativo, o n\u00famero de cr\u00e9ditos no cart\u00e3o volta a ser 10 \u2013 o m\u00e1ximo.<\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #ff6600;\">Fonte: G1<\/span><\/p>\n<a href=\"http:\/\/www.facebook.com\/share.php?u=https%3A%2F%2Fmeiobyte.com%2Fmb%2Fpesquisadores-usam-celulares-android-para-andar-de-graca-no-metro%2F&amp;t=Pesquisadores%20usam%20celulares%20Android%20para%20andar%20de%20gra%C3%A7a%20no%20metr%C3%B4\" id=\"facebook_share_both_609\" style=\"font-size:11px; line-height:13px; font-family:'lucida grande',tahoma,verdana,arial,sans-serif; text-decoration:none; padding:2px 0 0 20px; height:16px; background:url(http:\/\/b.static.ak.fbcdn.net\/images\/share\/facebook_share_icon.gif) no-repeat top left;\">Partilhe no Facebook<\/a>\n\t<script type=\"text\/javascript\">\n\t<!--\n\tvar button = document.getElementById('facebook_share_link_609') || document.getElementById('facebook_share_icon_609') || document.getElementById('facebook_share_both_609') || document.getElementById('facebook_share_button_609');\n\tif (button) {\n\t\tbutton.onclick = function(e) {\n\t\t\tvar url = this.href.replace(\/share\\.php\/, 'sharer.php');\n\t\t\twindow.open(url,'sharer','toolbar=0,status=0,width=626,height=436');\n\t\t\treturn false;\n\t\t}\n\t\n\t\tif (button.id === 'facebook_share_button_609') {\n\t\t\tbutton.onmouseover = function(){\n\t\t\t\tthis.style.color='#fff';\n\t\t\t\tthis.style.borderColor = '#295582';\n\t\t\t\tthis.style.backgroundColor = '#3b5998';\n\t\t\t}\n\t\t\tbutton.onmouseout = function(){\n\t\t\t\tthis.style.color = '#3b5998';\n\t\t\t\tthis.style.borderColor = '#d8dfea';\n\t\t\t\tthis.style.backgroundColor = '#fff';\n\t\t\t}\n\t\t}\n\t}\n\t-->\n\t<\/script>\n\t<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>&#8220;Especialistas encontraram falhas em cart\u00f5es RFID. Falha permite gravar cr\u00e9ditos infinitos nos cart\u00f5es.&#8220; Os pesquisadores em seguran\u00e7a Corey Benninger e Max Sobell divulgaram, durante a confer\u00eancia de seguran\u00e7a EUSecWest, na semana passada, uma brecha existente em cart\u00f5es de identifica\u00e7\u00e3o por radiofrequ\u00eancia (RFID) usados em sistemas de transporte p\u00fablico. A dupla conseguiu criar um aplicativo para [&hellip;]<!-- AddThis Advanced Settings generic via filter on get_the_excerpt --><!-- AddThis Share Buttons generic via filter on get_the_excerpt --><\/p>\n<a href=\"http:\/\/www.facebook.com\/share.php?u=https%3A%2F%2Fmeiobyte.com%2Fmb%2Fpesquisadores-usam-celulares-android-para-andar-de-graca-no-metro%2F&amp;t=Pesquisadores%20usam%20celulares%20Android%20para%20andar%20de%20gra%C3%A7a%20no%20metr%C3%B4\" id=\"facebook_share_both_609\" style=\"font-size:11px; line-height:13px; font-family:'lucida grande',tahoma,verdana,arial,sans-serif; text-decoration:none; padding:2px 0 0 20px; height:16px; background:url(http:\/\/b.static.ak.fbcdn.net\/images\/share\/facebook_share_icon.gif) no-repeat top left;\">Partilhe no Facebook<\/a>\n\t<script type=\"text\/javascript\">\n\t<!--\n\tvar button = document.getElementById('facebook_share_link_609') || document.getElementById('facebook_share_icon_609') || document.getElementById('facebook_share_both_609') || document.getElementById('facebook_share_button_609');\n\tif (button) {\n\t\tbutton.onclick = function(e) {\n\t\t\tvar url = this.href.replace(\/share\\.php\/, 'sharer.php');\n\t\t\twindow.open(url,'sharer','toolbar=0,status=0,width=626,height=436');\n\t\t\treturn false;\n\t\t}\n\t\n\t\tif (button.id === 'facebook_share_button_609') {\n\t\t\tbutton.onmouseover = function(){\n\t\t\t\tthis.style.color='#fff';\n\t\t\t\tthis.style.borderColor = '#295582';\n\t\t\t\tthis.style.backgroundColor = '#3b5998';\n\t\t\t}\n\t\t\tbutton.onmouseout = function(){\n\t\t\t\tthis.style.color = '#3b5998';\n\t\t\t\tthis.style.borderColor = '#d8dfea';\n\t\t\t\tthis.style.backgroundColor = '#fff';\n\t\t\t}\n\t\t}\n\t}\n\t-->\n\t<\/script>\n\t","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-609","post","type-post","status-publish","format-standard","hentry","category-tecnologia"],"_links":{"self":[{"href":"https:\/\/meiobyte.com\/mb\/wp-json\/wp\/v2\/posts\/609"}],"collection":[{"href":"https:\/\/meiobyte.com\/mb\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/meiobyte.com\/mb\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/meiobyte.com\/mb\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/meiobyte.com\/mb\/wp-json\/wp\/v2\/comments?post=609"}],"version-history":[{"count":3,"href":"https:\/\/meiobyte.com\/mb\/wp-json\/wp\/v2\/posts\/609\/revisions"}],"predecessor-version":[{"id":631,"href":"https:\/\/meiobyte.com\/mb\/wp-json\/wp\/v2\/posts\/609\/revisions\/631"}],"wp:attachment":[{"href":"https:\/\/meiobyte.com\/mb\/wp-json\/wp\/v2\/media?parent=609"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/meiobyte.com\/mb\/wp-json\/wp\/v2\/categories?post=609"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/meiobyte.com\/mb\/wp-json\/wp\/v2\/tags?post=609"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}