CVE-2020-2156 Explained : Impact and Mitigation

Jenkins DeployHub Plugin 8.0.14 and earlier versions transmit configured credentials in plain text, potentially exposing them to unauthorized access.

Understanding CVE-2020-2156

This CVE involves a security vulnerability in the Jenkins DeployHub Plugin that could lead to the exposure of sensitive information.

What is CVE-2020-2156?

CVE-2020-2156 refers to the issue where Jenkins DeployHub Plugin versions 8.0.14 and earlier improperly handle credentials, transmitting them in plain text within job configuration forms.

The Impact of CVE-2020-2156

The vulnerability could allow attackers to intercept and access sensitive credentials, posing a risk of unauthorized system access and potential data breaches.

Technical Details of CVE-2020-2156

The technical aspects of the CVE provide insight into the specific details of the vulnerability.

Vulnerability Description

Jenkins DeployHub Plugin versions 8.0.14 and earlier transmit configured credentials in plain text as part of job configuration forms, potentially leading to their exposure.

Affected Systems and Versions

Product: Jenkins DeployHub Plugin
Vendor: Jenkins project
Vulnerable Versions: <= 8.0.14

Exploitation Mechanism

The vulnerability occurs due to the mishandling of credentials within the job configuration forms, allowing them to be sent in plain text, making them susceptible to interception.

Mitigation and Prevention

Addressing CVE-2020-2156 requires immediate actions and long-term security practices to enhance system protection.

Immediate Steps to Take

Upgrade Jenkins DeployHub Plugin to a non-vulnerable version.
Avoid storing sensitive credentials in job configuration forms.
Monitor system logs for any unauthorized access attempts.

Long-Term Security Practices

Implement encryption mechanisms for sensitive data transmission.
Regularly review and update security configurations.
Educate users on secure credential handling practices.

Patching and Updates

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