OSEC

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[Full-disclosure] Geeklog <- 1.6.0sr1 - Remote Arbitrary File Upload

From: Jaloh Smith (jal0hhotmail.com)
Date: Thu Aug 20 2009 - 18:48:11 CDT


==============================================================================
 Geeklog <= v1.6.0sr1 - Remote Arbitrary File Upload

 Software Site: http://www.geeklog.net

 Dork: "By Geeklog" "Created this page in" +seconds +powered inurl:public_html
==============================================================================

Vulnerabilities
==================

Default Insecure Configuration

Configuration settings for FCKeditor shipped with Geeklog are insecure by
default. They allow attackers to view and upload files and folders
under its predefined image upload directory. This is not FCKeditor's fault,
the Geeklog developers enabled the insecure configuration. Abuse works whether
the FCKeditor is enabled or disabled in the Geeklog configuration.

http://##www.site.com##/fckeditor/editor/filemanager/browser/default/browser.html?Type=&Connector=http%3A%2F%2F##www.site.com##%2Ffckeditor%2Feditor%2Ffilemanager%2Fconnectors%2Fphp%2Fconnector.php

Replace ##www.site.com## with the URL of the Geeklog site.

Opens an interactive browser session where you can create directories
and upload files. This also exposes all the files in the
images/Library/File|Image|Media|Flash directories.

Arbitrary File Hosting

Using the interactive session above you can upload files to the server.
File uploads are restricted by directory and type:

File/ directory
  '7z', 'aiff', 'asf', 'avi', 'bmp', 'csv', 'doc', 'fla', 'flv', 'gif', 'gz',
  'gzip', 'jpeg', 'jpg', 'mid', 'mov', 'mp3', 'mp4', 'mpc', 'mpeg', 'mpg',
  'ods', 'odt', 'pdf', 'png', 'ppt', 'pxd', 'qt', 'ram', 'rar', 'rm', 'rmi',
  'rmvb', 'rtf', 'sdc', 'sitd', 'swf', 'sxc', 'sxw', 'tar', 'tgz', 'tif',
  'tiff', 'txt', 'vsd', 'wav', 'wma', 'wmv', 'xls', 'xml', 'zip'

Image/ directory
  'bmp','gif','jpeg','jpg','png'

Flash/ directory
  'swf','flv'

Media/ directory
  'aiff', 'asf', 'avi', 'bmp', 'fla', 'flv', 'gif', 'jpeg', 'jpg', 'mid',
  'mov', 'mp3', 'mp4', 'mpc', 'mpeg', 'mpg', 'png', 'qt', 'ram', 'rm',
  'rmi', 'rmvb', 'swf', 'tif', 'tiff', 'wav', 'wma', 'wmv'

The max allowable upload size is not restricted, this will depend on the
web server's settings and PHP timeout value.

Default location for uploads is
    http://www.geeklogsite.com/images/Library/File/

Potential Abuse
- Create a directory using the interactive session above under the File section.
- Upload your files to the new directory
- Host your sound,movie,pictures, or zipped archives for FREE!

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