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
S
An exploited vulnerability can affect resources beyond the security scope managed by the security authority that is managing the vulnerable component. This is often referred to as a 'privilege escalation,' where the attacker can use the exploited vulnerability to gain control of resources that were not intended or authorized.
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 Central WifiManager (CWM 100) 1.03 r0098 Man-In-The-Middle
[+] 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-Links 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
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