CVE-2021-35054 : Exploit Details and Defense Strategies

Minecraft before version 1.17.1, when online-mode=false is configured, allows path traversal for deletion of arbitrary JSON files.

Understanding CVE-2021-35054

This CVE identifies a vulnerability in Minecraft that enables path traversal for deleting JSON files when a specific configuration is set.

What is CVE-2021-35054?

CVE-2021-35054 relates to Minecraft versions preceding 1.17.1 that are susceptible to a path traversal issue permitting the deletion of arbitrary JSON files.

The Impact of CVE-2021-35054

This vulnerability could be exploited by malicious actors to delete critical JSON files, potentially leading to data loss or compromise of sensitive information.

Technical Details of CVE-2021-35054

This section provides a deeper insight into the technical aspects of the CVE.

Vulnerability Description

The flaw in Minecraft allows an attacker to traverse paths and delete JSON files due to a misconfiguration when online-mode=false is used.

Affected Systems and Versions

Minecraft versions prior to 1.17.1 are impacted by this vulnerability when the online-mode=false setting is configured.

Exploitation Mechanism

Malicious actors can exploit this vulnerability by leveraging the path traversal issue to delete specific JSON files, potentially causing disruptions or data loss.

Mitigation and Prevention

To address CVE-2021-35054, immediate actions and long-term security practices can be implemented.

Immediate Steps to Take

Users should update Minecraft to version 1.17.1 or newer to mitigate the vulnerability and prevent unauthorized deletion of JSON files.

Long-Term Security Practices

Ensure that online-mode is properly configured to prevent path traversal attacks and regularly update Minecraft to the latest versions to patch known vulnerabilities.

Patching and Updates

Keeping Minecraft updated with the latest security patches is crucial to protect against potential exploits and security risks.