VDB-146732 · CVE-2019-7183 · GCVE-0-2019-7183

QNAP QTS Link link following

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.
8.5	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in QNAP QTS. This vulnerability affects unknown code of the component Link Handler. Such manipulation leads to link following. This vulnerability is uniquely identified as CVE-2019-7183. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in QNAP QTS (Network Attached Storage Software) (unknown version) and classified as critical. Affected by this issue is an unknown code block of the component Link Handler. The manipulation with an unknown input leads to a link following vulnerability. Using CWE to declare the problem leads to CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. Impacted is confidentiality, integrity, and availability. CVE summarizes:

This improper link resolution vulnerability allows remote attackers to access system files. To fix this vulnerability, QNAP recommend updating QTS to their latest versions.

The weakness was disclosed 12/05/2019 (Website). The advisory is shared for download at qnap.com. This vulnerability is handled as CVE-2019-7183 since 01/29/2019. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-146733 and VDB-146734 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Network Attached Storage Software

Vendor

QNAP

Name

License

commercial

Website

Vendor: https://www.qnap.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Link following
CWE: CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/29/2019 🔍
12/05/2019 +310 days 🔍
12/06/2019 +1 days 🔍
12/06/2019 +0 days 🔍

Sourcesinfo

Vendor: qnap.com

Advisory: qnap.com
Status: Not defined

CVE: CVE-2019-7183 (🔍)
GCVE (CVE): GCVE-0-2019-7183
GCVE (VulDB): GCVE-100-146732
See also: 🔍

Entryinfo

Created: 12/06/2019 07:38
Updated: 12/06/2019 07:43
Changes: 12/06/2019 07:38 (37), 12/06/2019 07:43 (18)
Complete: 🔍
Cache ID: 216::103