Tgstation tgstation-server up to 3.2.4.0 Login Cache credentials management

HistoryDiffrelatejsonxmlCTI

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.
7.3	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Tgstation tgstation-server up to 3.2.4.0 and classified as critical. This vulnerability affects unknown code of the component Login Cache. This manipulation causes credentials management. This vulnerability is registered as CVE-2018-17107. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in Tgstation tgstation-server up to 3.2.4.0. Affected by this vulnerability is an unknown part of the component Login Cache. The manipulation with an unknown input leads to a credentials management vulnerability. The CWE definition for the vulnerability is CWE-255. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

In Tgstation tgstation-server 3.2.4.0 through 3.2.1.0 (fixed in 3.2.5.0), active logins would be cached, allowing subsequent logins to succeed with any username or password.

The bug was discovered 09/21/2018. The weakness was published 09/24/2018 (GitHub Repository). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2018-17107 since 09/16/2018. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1552 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 3.2.5.0 eliminates this vulnerability.

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

Productinfo

Vendor

Tgstation

Name

tgstation-server

Version

Website

Product: https://github.com/tgstation/tgstation-server/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.4

VulDB Base Score: 5.6
VulDB Temp Score: 4.9
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: Credentials management
CWE: CWE-255
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: tgstation-server 3.2.5.0

Timelineinfo

09/16/2018 🔍
09/21/2018 +5 days 🔍
09/24/2018 +2 days 🔍
09/24/2018 +0 days 🔍
09/25/2018 +1 days 🔍
05/17/2023 +1695 days 🔍

Sourcesinfo

Product: github.com

Advisory: 690
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-17107 (🔍)
GCVE (CVE): GCVE-0-2018-17107
GCVE (VulDB): GCVE-100-124435

Entryinfo

Created: 09/25/2018 12:42
Updated: 05/17/2023 18:48
Changes: 09/25/2018 12:42 (59), 03/27/2020 07:38 (2), 05/17/2023 18:48 (4)
Complete: 🔍
Cache ID: 216::103