VDB-127187 · CVE-2018-13331 · Qualys 13368

TerraMaster TOS 3.1.03 Control Panel Username cross site scripting

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.
5.2	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in TerraMaster TOS 3.1.03. Impacted is an unknown function of the component Control Panel. The manipulation as part of Username leads to cross site scripting. This vulnerability is uniquely identified as CVE-2018-13331. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in TerraMaster TOS 3.1.03 (Network Attached Storage Software). It has been rated as problematic. This issue affects an unknown code of the component Control Panel. The manipulation as part of a Username leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:

Cross-site scripting in Control Panel in TerraMaster TOS version 3.1.03 allows attackers to execute JavaScript when viewing users by placing JavaScript in their usernames.

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. The identification of this vulnerability is CVE-2018-13331 since 07/05/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

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. 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-127188 and VDB-127189 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Network Attached Storage Software

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: 5.2
VulDB Meta Temp Score: 5.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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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

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
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

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 🔍
04/15/2020 +504 days 🔍

Sourcesinfo

Advisory: blog.securityevaluators.com
Status: Not defined

CVE: CVE-2018-13331 (🔍)
GCVE (CVE): GCVE-0-2018-13331
GCVE (VulDB): GCVE-100-127187
See also: 🔍

Entryinfo

Created: 11/28/2018 08:06
Updated: 04/15/2020 12:01
Changes: 11/28/2018 08:06 (63), 04/15/2020 12:01 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.