CVE-2020-2128 : Security Advisory and Response

Jenkins ECX Copy Data Management Plugin 1.9 and earlier versions store passwords unencrypted, posing a security risk.

Understanding CVE-2020-2128

This CVE involves a vulnerability in the Jenkins ECX Copy Data Management Plugin that allows unauthorized access to sensitive information.

What is CVE-2020-2128?

Jenkins ECX Copy Data Management Plugin 1.9 and earlier versions store a password unencrypted in job config.xml files on the Jenkins master, potentially exposing it to unauthorized users.

The Impact of CVE-2020-2128

The vulnerability allows users with Extended Read permission or access to the master file system to view sensitive passwords, leading to potential security breaches.

Technical Details of CVE-2020-2128

The technical aspects of the vulnerability are as follows:

Vulnerability Description

The issue involves the unencrypted storage of passwords in job config.xml files, making them accessible to unauthorized users.

Affected Systems and Versions

Product: Jenkins ECX Copy Data Management Plugin
Vendor: Jenkins project
Versions Affected:
Jenkins ECX Copy Data Management Plugin <= 1.9
Jenkins ECX Copy Data Management Plugin next of 1.9

Exploitation Mechanism

Unauthorized users with Extended Read permission or access to the Jenkins master file system can exploit this vulnerability to view stored passwords.

Mitigation and Prevention

To address CVE-2020-2128, consider the following steps:

Immediate Steps to Take

Upgrade to a patched version of the Jenkins ECX Copy Data Management Plugin.
Restrict access to job config.xml files to authorized personnel only.

Long-Term Security Practices

Implement encryption mechanisms for sensitive data storage.
Regularly review and update security configurations to prevent similar vulnerabilities.

Patching and Updates

Apply security patches provided by Jenkins project to fix the vulnerability and enhance system security.