CVE-2023-30531 Explained : Impact and Mitigation

Jenkins Consul KV Builder Plugin 2.0.13 and earlier versions have a vulnerability where the HashiCorp Consul ACL Token is not masked on the global configuration form, potentially exposing it to attackers.

Understanding CVE-2023-30531

This section will cover the impact and technical details of CVE-2023-30531.

What is CVE-2023-30531?

CVE-2023-30531 is a security vulnerability in Jenkins Consul KV Builder Plugin versions 2.0.13 and earlier, allowing attackers to potentially observe and capture the HashiCorp Consul ACL Token.

The Impact of CVE-2023-30531

The exposure of the HashiCorp Consul ACL Token could lead to unauthorized access and compromise of sensitive information stored in Consul KV.

Technical Details of CVE-2023-30531

Let's delve into the specifics of the vulnerability.

Vulnerability Description

Jenkins Consul KV Builder Plugin fails to mask the HashiCorp Consul ACL Token on the global configuration form, making it visible to potential attackers.

Affected Systems and Versions

The affected product is 'Jenkins Consul KV Builder Plugin' by the 'Jenkins Project', specifically versions 2.0.13 and earlier.

Exploitation Mechanism

Attackers can exploit this vulnerability by observing and capturing the unmasked HashiCorp Consul ACL Token during configuration, potentially leading to unauthorized access.

Mitigation and Prevention

Learn how to mitigate and prevent exploitation of CVE-2023-30531.

Immediate Steps to Take

Users are advised to upgrade to a patched version of the Jenkins Consul KV Builder Plugin where the HashiCorp Consul ACL Token is properly masked.

Long-Term Security Practices

Implement secure coding practices and regularly review and update security configurations to prevent similar vulnerabilities.

Patching and Updates

Regularly check for security updates and patches for Jenkins plugins to ensure that known vulnerabilities are addressed.