Discover the details of CVE-2021-21681 affecting Jenkins Nomad Plugin versions 0.7.4 and earlier. Learn about the impact, technical details, and mitigation steps.
A vulnerability has been discovered in Jenkins Nomad Plugin version 0.7.4 and earlier that could potentially expose Docker passwords in an unencrypted format. This could allow unauthorized users with access to the Jenkins controller file system to view sensitive information.
Understanding CVE-2021-21681
This vulnerability affects Jenkins Nomad Plugin versions 0.7.4 and below, allowing Docker passwords to be stored in an unencrypted manner, posing a security risk.
What is CVE-2021-21681?
The CVE-2021-21681 vulnerability in Jenkins Nomad Plugin versions 0.7.4 and earlier involves the unencrypted storage of Docker passwords in the global config.xml file on the Jenkins controller.
The Impact of CVE-2021-21681
This vulnerability could potentially compromise the security of Docker passwords as they can be viewed by unauthorized users with access to the Jenkins controller file system.
Technical Details of CVE-2021-21681
The technical details of CVE-2021-21681 include:
Vulnerability Description
Jenkins Nomad Plugin versions 0.7.4 and earlier store Docker passwords in an unencrypted format in the global config.xml file on the Jenkins controller.
Affected Systems and Versions
The vulnerability affects Jenkins Nomad Plugin versions 0.7.4 and previous releases.
Exploitation Mechanism
Unauthorized users with access to the Jenkins controller file system can exploit this vulnerability to view unencrypted Docker passwords.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the exploitation of CVE-2021-21681.
Immediate Steps to Take
Users are advised to update Jenkins Nomad Plugin to a secure version where the vulnerability has been patched. Additionally, securing access to the Jenkins controller file system is recommended.
Long-Term Security Practices
Implementing secure password storage mechanisms and regular security audits can help prevent similar vulnerabilities in the future.
Patching and Updates
Regularly check for security updates and patches released by Jenkins project to protect against known vulnerabilities like CVE-2021-21681.