CVE-2023-50776 Explained : Impact and Mitigation

A security vulnerability has been discovered in the Jenkins PaaSLane Estimate Plugin that could potentially expose sensitive information to unauthorized users. This article provides an overview of CVE-2023-50776 and outlines the impact, technical details, and mitigation strategies.

Understanding CVE-2023-50776

This section delves into the specifics of the security vulnerability identified as CVE-2023-50776.

What is CVE-2023-50776?

CVE-2023-50776 pertains to Jenkins PaaSLane Estimate Plugin versions 1.0.4 and earlier, which store PaaSLane authentication tokens in an unencrypted format within job configuration files on the Jenkins controller. This configuration exposes the tokens to individuals with specific permissions or access to the controller's file system.

The Impact of CVE-2023-50776

The vulnerability poses a significant risk as it allows unauthorized users to view sensitive authentication tokens, potentially leading to unauthorized access or misuse of protected resources.

Technical Details of CVE-2023-50776

This section outlines the technical aspects of the CVE-2023-50776 vulnerability.

Vulnerability Description

Jenkins PaaSLane Estimate Plugin versions 1.0.4 and below are affected by this flaw, which results in the storage of unencrypted authentication tokens in job config.xml files, accessible to users with specific permissions or file system access.

Affected Systems and Versions

The Jenkins PaaSLane Estimate Plugin versions up to and including 1.0.4 are confirmed to be impacted by CVE-2023-50776.

Exploitation Mechanism

Exploiting this vulnerability requires access to job configuration files or the Jenkins controller file system, making it critical for users to secure these areas to prevent unauthorized token access.

Mitigation and Prevention

This section provides guidance on mitigating the risks associated with CVE-2023-50776.

Immediate Steps to Take

Users are advised to update the Jenkins PaaSLane Estimate Plugin to a secure version that addresses the vulnerability and take precautions to secure job configurations and the Jenkins controller.

Long-Term Security Practices

Practicing robust access control measures, encryption of sensitive data, and regular security assessments can help prevent similar vulnerabilities in the future.

Patching and Updates

It is crucial to stay informed about security advisories from Jenkins Project and promptly apply patches or updates to vulnerable software to maintain a secure environment.