CVE-2020-2126 Explained : Impact and Mitigation
Learn about CVE-2020-2126 affecting Jenkins DigitalOcean Plugin. Unencrypted token storage in config.xml file could lead to unauthorized access. Find mitigation steps here.
Jenkins DigitalOcean Plugin 1.1 and earlier versions store a token unencrypted in the global config.xml file, potentially exposing it to unauthorized users.
Understanding CVE-2020-2126
This CVE involves a vulnerability in the Jenkins DigitalOcean Plugin that could lead to unauthorized access to sensitive information.
What is CVE-2020-2126?
This CVE refers to the issue where the Jenkins DigitalOcean Plugin, up to version 1.1, insecurely stores a token in the global config.xml file on the Jenkins master, allowing users with access to the file system to view it.
The Impact of CVE-2020-2126
The vulnerability could result in unauthorized users gaining access to the token stored in the config.xml file, potentially leading to further security breaches and unauthorized actions within the Jenkins environment.
Technical Details of CVE-2020-2126
The technical aspects of the CVE provide insight into the specific details of the vulnerability.
Vulnerability Description
The Jenkins DigitalOcean Plugin, versions 1.1 and earlier, store a token in an unencrypted format within the global config.xml file on the Jenkins master.
Affected Systems and Versions
- Product: Jenkins DigitalOcean Plugin
- Vendor: Jenkins project
- Vulnerable Versions: 1.1 and earlier
Exploitation Mechanism
Unauthorized users with access to the Jenkins master file system can exploit this vulnerability to view the unencrypted token stored in the config.xml file.
Mitigation and Prevention
Addressing the CVE involves taking immediate steps and implementing long-term security practices.
Immediate Steps to Take
- Upgrade the Jenkins DigitalOcean Plugin to a secure version that addresses the vulnerability.
- Restrict access to the Jenkins master file system to authorized personnel only.
Long-Term Security Practices
- Implement encryption mechanisms for sensitive data storage within Jenkins.
- Regularly monitor and audit access to critical files and configurations within Jenkins.
Patching and Updates
Ensure that all software components, including plugins like the Jenkins DigitalOcean Plugin, are regularly updated to the latest secure versions.