CVE-2023-3315 : What You Need to Know

This is a detailed overview of CVE-2023-3315, providing insights into the vulnerability, its impact, technical details, and mitigation strategies.

Understanding CVE-2023-3315

CVE-2023-3315 involves missing permission checks in the Jenkins Team Concert Plugin versions up to 2.4.1. This vulnerability allows attackers with specific permissions to verify the existence of a file path on the Jenkins controller file system.

What is CVE-2023-3315?

The CVE-2023-3315 vulnerability in Jenkins Team Concert Plugin exposes a security flaw that enables attackers with Overall/Read permissions to perform unauthorized file path checks on the Jenkins controller file system. This can lead to potential security breaches and unauthorized access to sensitive data.

The Impact of CVE-2023-3315

The impact of CVE-2023-3315 can be significant, as it allows malicious actors to probe for the existence of specific files on the Jenkins controller system without proper authorization. This could potentially result in unauthorized access to files and confidential information, posing a threat to the overall security of the Jenkins environment.

Technical Details of CVE-2023-3315

The CVE-2023-3315 vulnerability is primarily characterized by the following technical aspects:

Vulnerability Description

The vulnerability arises due to missing permission checks in the Jenkins Team Concert Plugin versions up to 2.4.1, enabling attackers with specific permissions to perform unauthorized file path checks on the Jenkins controller file system.

Affected Systems and Versions

The affected product is the Jenkins Team Concert Plugin by the Jenkins Project. Versions less than or equal to 2.4.1 are impacted by this vulnerability when utilizing the Maven versioning system.

Exploitation Mechanism

Attackers with Overall/Read permissions can exploit this vulnerability to check for specific file paths on the Jenkins controller file system, potentially gaining unauthorized access to sensitive information.

Mitigation and Prevention

Mitigating CVE-2023-3315 requires immediate actions and the implementation of long-term security practices to safeguard Jenkins environments.

Immediate Steps to Take

Administrators should restrict access to the affected Jenkins Team Concert Plugin, especially for users with Overall/Read permissions. Additionally, monitoring file system activities for suspicious behavior can help detect potential exploitation attempts.

Long-Term Security Practices

Implementing least privilege access controls, regularly reviewing and updating permissions, and conducting security assessments are essential long-term practices to enhance Jenkins security posture and prevent similar vulnerabilities.

Patching and Updates

Updating the Jenkins Team Concert Plugin to a version beyond 2.4.1 that addresses the missing permission checks is crucial. Staying informed about security advisories and promptly applying patches can help protect Jenkins environments from known vulnerabilities.