D-Link Central WiFi Manager prior 1.03r0100-Beta1 File Upload unrestricted upload

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.8	$0-$5k	0.00

A vulnerability, which was classified as critical, has been found in D-Link Central WiFi Manager (Wireless LAN Software). This issue affects some unknown functionality of the component File Upload. The manipulation with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered on D-Link Central WiFi Manager before v 1.03r0100-Beta1. An unrestricted file upload vulnerability in the onUploadLogPic endpoint allows remote authenticated users to execute arbitrary PHP code.

The bug was discovered 06/04/2018. The weakness was disclosed 10/08/2018 as not defined mailinglist post (Full-Disclosure). The advisory is shared at seclists.org. The identification of this vulnerability is CVE-2018-17442 since 09/24/2018. The exploitation is known to be easy. The attack may be initiated remotely. A simple authentication is required for exploitation. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1608.002 for this issue.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 126 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 1.03r0100-Beta1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (45533). The entries 125055, 125056 and 125058 are pretty similar.

Productinfo

Type

Wireless LAN Software

Vendor

D-Link

Name

Central WiFi Manager

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
ATT&CK: T1608.002

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Central WiFi Manager 1.03r0100-Beta1

Timelineinfo

06/04/2018 🔍
09/24/2018 +111 days 🔍
10/08/2018 +14 days 🔍
10/08/2018 +0 days 🔍
10/09/2018 +1 days 🔍
03/31/2020 +539 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: seclists.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-17442 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 10/09/2018 08:14
Updated: 03/31/2020 16:28
Changes: 10/09/2018 08:14 (62), 03/31/2020 16:28 (4)
Complete: 🔍