VDB-127207 · CVE-2018-13361 · Qualys 13368

Master TerraMaster TOS 3.1.03 usertable.php modgroup User input validation

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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Master TerraMaster TOS 3.1.03 and classified as problematic. This vulnerability affects unknown code of the file usertable.php. This manipulation of the argument modgroup as part of Parameter causes input validation (User). This vulnerability is tracked as CVE-2018-13361. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability classified as problematic was found in Master TerraMaster TOS 3.1.03 (Network Attached Storage Software). Affected by this vulnerability is an unknown part of the file usertable.php. The manipulation of the argument modgroup as part of a Parameter leads to a input validation vulnerability (User). The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality. The summary by CVE is:

User enumeration in usertable.php in TerraMaster TOS version 3.1.03 allows attackers to list all system users via the "modgroup" parameter.

The bug was discovered 06/13/2018. The weakness was disclosed 11/27/2018 (Website). It is possible to read the advisory at blog.securityevaluators.com. This vulnerability is known as CVE-2018-13361 since 07/05/2018. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 167 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:usertable.php it is possible to find vulnerable targets with Google Hacking. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13368 (TerraMaster F2-240 TOS Multiple Vulnerabilities).

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

The entries VDB-127185, VDB-127186, VDB-127187 and VDB-127188 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Network Attached Storage Software

Vendor

Master

Name

TerraMaster TOS

Version

3.1.03

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: User
Class: Input validation / User
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/13/2018 🔍
07/05/2018 +22 days 🔍
11/27/2018 +145 days 🔍
11/27/2018 +0 days 🔍
11/28/2018 +1 days 🔍
08/09/2024 +2081 days 🔍

Sourcesinfo

Advisory: blog.securityevaluators.com
Status: Not defined

CVE: CVE-2018-13361 (🔍)
GCVE (CVE): GCVE-0-2018-13361
GCVE (VulDB): GCVE-100-127207
See also: 🔍

Entryinfo

Created: 11/28/2018 10:42
Updated: 08/09/2024 12:10
Changes: 11/28/2018 10:42 (65), 04/15/2020 15:01 (1), 08/09/2024 12:10 (18)
Complete: 🔍
Cache ID: 216::103