CVE-2023-30626 Explained : Impact and Mitigation

This article provides insights into CVE-2023-30626, a vulnerability impacting Jellyfin software.

Understanding CVE-2023-30626

This CVE affects Jellyfin versions prior to 10.8.10, leading to directory traversal, file write, and potential arbitrary code execution.

What is CVE-2023-30626?

Jellyfin versions 10.8.0 to < 10.8.10 contain a directory traversal vulnerability in the

ClientLogController

, allowing attackers to write files and execute arbitrary code.

The Impact of CVE-2023-30626

The vulnerability poses a high risk with a CVSS v3.1 base score of 8.8, impacting confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2023-30626

This section delves into the specifics of the CVE.

Vulnerability Description

The flaw enables attackers to traverse directories improperly, potentially leading to unauthorized file writes and execution of malicious code.

Affected Systems and Versions

Jellyfin versions from 10.8.0 to < 10.8.10 are vulnerable to this exploit.

Exploitation Mechanism

By leveraging the directory traversal vulnerability in the

ClientLogController

, threat actors can execute arbitrary code and compromise system integrity.

Mitigation and Prevention

Discover the necessary steps to address and prevent the CVE.

Immediate Steps to Take

Users are urged to update Jellyfin to version 10.8.10 to mitigate the vulnerability. No alternate workarounds are currently available.

Long-Term Security Practices

Implementing secure coding practices and regular software updates can help prevent similar vulnerabilities in the future.

Patching and Updates

Ensure timely installation of official patches and stay informed about security releases.