CVE-2021-21629 : Exploit Details and Defense Strategies

A detailed overview of CVE-2021-21629 affecting Jenkins Build With Parameters Plugin.

Understanding CVE-2021-21629

This section provides insights into the nature and impact of the vulnerability.

What is CVE-2021-21629?

CVE-2021-21629 is a cross-site request forgery (CSRF) vulnerability in Jenkins Build With Parameters Plugin. This vulnerability allows attackers to execute a project with parameters specified by the attacker.

The Impact of CVE-2021-21629

The vulnerability in Jenkins Build With Parameters Plugin version 1.5 and earlier can be exploited by malicious actors to manipulate project parameters.

Technical Details of CVE-2021-21629

Delve into the specific technical aspects of the CVE.

Vulnerability Description

The CSRF vulnerability in version 1.5 of Jenkins Build With Parameters Plugin enables attackers to control project parameters without proper authorization.

Affected Systems and Versions

The affected product is the Jenkins Build With Parameters Plugin, specifically versions less than or equal to 1.5.

Exploitation Mechanism

Exploiting this vulnerability requires attackers to craft requests to the plugin that contain malicious parameters.

Mitigation and Prevention

Explore the strategies to mitigate the risks posed by CVE-2021-21629.

Immediate Steps to Take

Users should update the affected plugin to a secure version and monitor for any suspicious activities on their Jenkins instance.

Long-Term Security Practices

Implementing strict security configurations, conducting regular security audits, and educating users on secure coding practices are crucial for enhancing overall system security.

Patching and Updates

Regularly check for security advisories from Jenkins project and promptly apply patches and updates to ensure protection against known vulnerabilities.