CVE-2022-34818 : Security Advisory and Response

Jenkins Failed Job Deactivator Plugin version 1.2.1 and earlier is impacted by a vulnerability that allows attackers with Overall/Read permission to disable jobs. Here is a detailed overview of CVE-2022-34818.

Understanding CVE-2022-34818

This section covers what CVE-2022-34818 is, its impact, technical details, and mitigation strategies.

What is CVE-2022-34818?

CVE-2022-34818 is a vulnerability in Jenkins Failed Job Deactivator Plugin version 1.2.1 and earlier that enables attackers with Overall/Read permission to deactivate jobs without proper authorization.

The Impact of CVE-2022-34818

The vulnerability allows malicious actors to exploit the plugin's lack of permission checks in various views and HTTP endpoints, leading to unauthorized deactivation of jobs within the Jenkins environment.

Technical Details of CVE-2022-34818

To better understand the technical aspects of CVE-2022-34818, let's delve into the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

Jenkins Failed Job Deactivator Plugin 1.2.1 and earlier fails to enforce permission checks in multiple views and HTTP endpoints, enabling attackers with Overall/Read permission to deactivate jobs.

Affected Systems and Versions

The vulnerability affects Jenkins Failed Job Deactivator Plugin version 1.2.1 and previous iterations, exposing instances where attackers with specific permissions can exploit the plugin.

Exploitation Mechanism

By leveraging the absence of proper permission validations within the plugin, malicious actors can exploit vulnerable instances to disable jobs through unauthorized means.

Mitigation and Prevention

This section provides recommendations on addressing CVE-2022-34818 to enhance security posture and protect Jenkins environments.

Immediate Steps to Take

Jenkins administrators are advised to update the Failed Job Deactivator Plugin to a patched version that addresses the permission check bypass vulnerability.

Long-Term Security Practices

Implementing a robust access control policy, regular security audits, and monitoring job deactivation activities can enhance the overall security of the Jenkins instance.

Patching and Updates

Regularly applying security patches released by the Jenkins project for the Failed Job Deactivator Plugin is crucial to address known vulnerabilities and ensure the integrity of job deactivation processes.