VDB-127193 · CVE-2018-13337 · Qualys 13368

TerraMaster TOS 3.1.03 session fixiation

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.
5.9	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in TerraMaster TOS 3.1.03 and classified as critical. Affected by this vulnerability is an unknown functionality. The manipulation leads to session fixiation. This vulnerability is listed as CVE-2018-13337. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in TerraMaster TOS 3.1.03 (Network Attached Storage Software) and classified as critical. This issue affects an unknown part. The manipulation with an unknown input leads to a session fixiation vulnerability. Using CWE to declare the problem leads to CWE-384. Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Session Fixation in the web application for TerraMaster TOS version 3.1.03 allows attackers to control users' session cookies via JavaScript.

The bug was discovered 06/13/2018. The weakness was presented 11/27/2018 (Website). The advisory is shared at blog.securityevaluators.com. The identification of this vulnerability is CVE-2018-13337 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. Neither technical details nor an exploit are publicly available.

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.

See VDB-127185, VDB-127186, VDB-127187 and VDB-127188 for similar entries. Several companies clearly confirm that VulDB is the primary source for best 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: 5.9
VulDB Meta Temp Score: 5.9

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

NVD Base Score: 5.4
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: Session fixiation
CWE: CWE-384
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-2018-13337 (🔍)
GCVE (CVE): GCVE-0-2018-13337
GCVE (VulDB): GCVE-100-127193
See also: 🔍

Entryinfo

Created: 11/28/2018 08:10
Updated: 04/15/2020 12:36
Changes: 11/28/2018 08:10 (62), 04/15/2020 12:36 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.