CVE-2021-21612 : Vulnerability Insights and Analysis

A security vulnerability, CVE-2021-21612, impacting Jenkins TraceTronic ECU-TEST Plugin versions 2.23.1 and earlier has been identified. This vulnerability allows credentials to be stored in an unencrypted format, potentially exposing sensitive information.

Understanding CVE-2021-21612

This section provides insights into the nature and implications of CVE-2021-21612.

What is CVE-2021-21612?

The Jenkins TraceTronic ECU-TEST Plugin version 2.23.1 and older are susceptible to storing credentials without encryption in the global configuration file on the Jenkins controller. This oversight can permit unauthorized users with access to the Jenkins controller file system to view these credentials.

The Impact of CVE-2021-21612

The impact of this vulnerability is significant as it exposes sensitive information, including credentials, to potential unauthorized access. The stored credentials can be viewed by individuals with access to the Jenkins controller, posing a risk to the security and confidentiality of the system.

Technical Details of CVE-2021-21612

In this section, we delve into the technical aspects of CVE-2021-21612 to provide a comprehensive understanding.

Vulnerability Description

The vulnerability arises from Jenkins TraceTronic ECU-TEST Plugin versions 2.23.1 and earlier storing credentials in an unencrypted manner within the global configuration file on the Jenkins controller. This insecure storage mechanism facilitates unauthorized users to access and view these credentials.

Affected Systems and Versions

The specific systems affected by this vulnerability include instances running Jenkins TraceTronic ECU-TEST Plugin versions 2.23.1 and below. Systems with these versions are at risk of exposing sensitive credentials.

Exploitation Mechanism

Exploiting CVE-2021-21612 involves unauthorized users gaining access to the Jenkins controller file system, where they can easily locate and view the unencrypted credentials stored in the global configuration file.

Mitigation and Prevention

This section outlines the steps to mitigate the risks associated with CVE-2021-21612 and prevent any potential exploitation.

Immediate Steps to Take

Immediate actions include updating the Jenkins TraceTronic ECU-TEST Plugin to a non-vulnerable version, securing access to the Jenkins controller file system, and ensuring secure storage of credentials.

Long-Term Security Practices

Enhancing security practices by implementing encryption mechanisms for stored credentials, enforcing access control policies, and conducting regular security audits can help mitigate similar vulnerabilities in the future.

Patching and Updates

Regularly applying security patches and updates provided by Jenkins project for the TraceTronic ECU-TEST Plugin is crucial to address known vulnerabilities and strengthen the overall security posture of the system.