CVE-2019-12395 : What You Need to Know
Learn about CVE-2019-12395 affecting Webbukkit Dynmap 3.0-beta-3 and earlier versions. Find out how attackers can access map images without authentication and steps to mitigate the vulnerability.
Webbukkit Dynmap 3.0-beta-3 and earlier versions contain a vulnerability in the servlet/MapStorageHandler.java file, allowing unauthorized access to map images.
Understanding CVE-2019-12395
In versions of Webbukkit Dynmap 3.0-beta-3 or earlier, a missing login check in the servlet/MapStorageHandler.java file enables attackers to view map images without proper authentication.
What is CVE-2019-12395?
The vulnerability in Webbukkit Dynmap 3.0-beta-3 or below allows attackers to bypass login requirements and access map images without authentication, compromising user privacy and security.
The Impact of CVE-2019-12395
This vulnerability permits unauthorized users to view map images without logging in, even if the login-required setting is enabled, potentially exposing sensitive information to malicious actors.
Technical Details of CVE-2019-12395
Webbukkit Dynmap 3.0-beta-3 and earlier versions are affected by a security flaw that allows unauthorized access to map images.
Vulnerability Description
The servlet/MapStorageHandler.java file lacks a login check, enabling attackers to bypass authentication and view map images without proper authorization.
Affected Systems and Versions
- Product: Webbukkit Dynmap
- Versions: 3.0-beta-3 and earlier
Exploitation Mechanism
Attackers exploit the missing login check in servlet/MapStorageHandler.java to access map images without the required authentication, compromising user privacy and system security.
Mitigation and Prevention
To address CVE-2019-12395, immediate actions and long-term security practices are essential.
Immediate Steps to Take
- Update Webbukkit Dynmap to the latest version that includes a fix for the login check vulnerability.
- Implement proper access controls and authentication mechanisms to restrict unauthorized access to map images.
Long-Term Security Practices
- Regularly monitor and audit access to sensitive data and map images.
- Conduct security training for users to raise awareness about the importance of secure authentication practices.
Patching and Updates
- Apply patches and updates provided by Webbukkit Dynmap to address the vulnerability and enhance system security.