CVE-2020-2119 : Exploit Details and Defense Strategies

Jenkins Azure AD Plugin 1.1.2 and earlier versions transmit configured credentials in plain text, potentially exposing them.

Understanding CVE-2020-2119

This CVE involves a security vulnerability in the Jenkins Azure AD Plugin that could lead to the exposure of sensitive credentials.

What is CVE-2020-2119?

The CVE-2020-2119 vulnerability in the Jenkins Azure AD Plugin allows configured credentials to be transmitted in plain text as part of the global Jenkins configuration form, posing a risk of exposure.

The Impact of CVE-2020-2119

The exposure of credentials due to this vulnerability could lead to unauthorized access to sensitive information and potential security breaches.

Technical Details of CVE-2020-2119

The technical aspects of the CVE-2020-2119 vulnerability are as follows:

Vulnerability Description

Jenkins Azure AD Plugin 1.1.2 and earlier versions transmit configured credentials in plain text as part of the global Jenkins configuration form.

Affected Systems and Versions

Affected Product: Jenkins Azure AD Plugin
Vendor: Jenkins project
Vulnerable Versions: <= 1.1.2 (unspecified version type: custom)

Exploitation Mechanism

Attackers could exploit this vulnerability by intercepting the plain text transmission of credentials, potentially leading to unauthorized access.

Mitigation and Prevention

To address CVE-2020-2119, consider the following mitigation strategies:

Immediate Steps to Take

Upgrade Jenkins Azure AD Plugin to a non-vulnerable version.
Avoid storing sensitive credentials in plain text within the Jenkins configuration.

Long-Term Security Practices

Implement encryption mechanisms for storing and transmitting credentials securely.
Regularly review and update security configurations to prevent similar vulnerabilities.

Patching and Updates

Stay informed about security advisories and updates from Jenkins project to apply patches promptly.