CVE-2023-30513 : Security Advisory and Response

Jenkins Kubernetes Plugin 3909.v1f2c633e8590 and earlier versions have a vulnerability where credentials in the build log are not properly masked when push mode for durable task logging is enabled.

Understanding CVE-2023-30513

This CVE affects Jenkins Kubernetes Plugin and can lead to a security risk if not addressed promptly.

What is CVE-2023-30513?

CVE-2023-30513 refers to a vulnerability in Jenkins Kubernetes Plugin versions 3909.v1f2c633e8590 and earlier, where credentials are not properly concealed in the build log.

The Impact of CVE-2023-30513

The vulnerability could potentially expose sensitive credentials in Jenkins build logs, posing a security risk to organizations using affected versions of the plugin.

Technical Details of CVE-2023-30513

The following technical details shed light on the specifics of this CVE.

Vulnerability Description

Jenkins Kubernetes Plugin versions 3909.v1f2c633e8590 and earlier fail to mask credentials in the build log when push mode for durable task logging is activated.

Affected Systems and Versions

The Jenkins Kubernetes Plugin versions affected by CVE-2023-30513 include 3909.v1f2c633e8590 and prior releases.

Exploitation Mechanism

Exploiting this vulnerability requires access to the build logs of Jenkins Kubernetes Plugin builds, potentially revealing sensitive credentials.

Mitigation and Prevention

To secure your systems against CVE-2023-30513, consider the following mitigation strategies.

Immediate Steps to Take

Disable push mode for durable task logging in Jenkins Kubernetes Plugin.
Monitor build logs for any exposed credentials and rotate them if necessary.

Long-Term Security Practices

Regularly update Jenkins Kubernetes Plugin to the latest secure version.
Implement secure credential handling practices within your Jenkins environment.

Patching and Updates

Ensure timely installation of patches released by Jenkins Project to address the vulnerability in Jenkins Kubernetes Plugin.