CVE-2023-33198 : Security Advisory and Response
Learn about CVE-2023-33198 involving Incorrectly Specified Chat Message Destinations in tgstation-server. Discover impact, affected systems, exploitation, and mitigation steps.
A detailed overview of CVE-2023-33198 involving Incorrectly Specified Chat Message Destinations in tgstation-server and DreamMaker API.
Understanding CVE-2023-33198
This CVE involves an issue in tgstation-server and DreamMaker API where chat message destinations are incorrectly specified.
What is CVE-2023-33198?
CVE-2023-33198 relates to Incorrectly Specified Destination in a Communication Channel, potentially allowing unauthorized messages to be sent to unintended channels.
The Impact of CVE-2023-33198
The impact of this vulnerability is rated as MEDIUM with a CVSS base score of 6.1. It requires user interaction and could lead to high confidentiality impact.
Technical Details of CVE-2023-33198
In this section, we delve into the vulnerability description, affected systems, and the exploitation mechanism.
Vulnerability Description
The issue occurs in tgstation-server, a tool for BYOND server management. A chat channel cache can be poisoned after a server restart, leading to messages being sent to unintended IRC or Discord channels until channels are updated or the server is restarted.
Affected Systems and Versions
The vulnerability affects tgstation-server versions from 4.0.0 to < 5.12.2, categorizing it as 'affected.'
Exploitation Mechanism
The vulnerability can be exploited by restarting tgstation-server, causing the chat channel cache to be poisoned and messages to be sent to incorrect destinations.
Mitigation and Prevention
Explore immediate steps and long-term practices to mitigate the risks posed by CVE-2023-33198.
Immediate Steps to Take
Users are advised to update tgstation-server to version 5.12.2 or newer to prevent exploitation. Additionally, regularly monitor chat messages to ensure they are being sent to the correct destinations.
Long-Term Security Practices
Implement regular security updates and conduct thorough testing after server restarts to ensure chat messages are directed correctly.
Patching and Updates
Stay informed about security advisories and patches released by tgstation to address this vulnerability.