CVE-2023-2632 : Vulnerability Insights and Analysis

This CVE-2023-2632 highlights a security issue in the Jenkins Code Dx Plugin version 3.1.0 and earlier, where Code Dx server API keys are stored in an unencrypted form in job config.xml files on the Jenkins controller. This vulnerability potentially exposes these API keys to unauthorized users with certain permissions or access to the Jenkins controller file system.

Understanding CVE-2023-2632

This section will delve into the key aspects of CVE-2023-2632, providing a comprehensive understanding of the vulnerability.

What is CVE-2023-2632?

The identified vulnerability in Jenkins Code Dx Plugin version 3.1.0 and prior versions involves the unsafe storage of Code Dx server API keys in an unencrypted format within job config.xml files on the Jenkins controller. This insecure storage puts the API keys at risk of exposure to unauthorized users.

The Impact of CVE-2023-2632

The impact of this vulnerability, as classified by CAPEC-22 (Exploiting Trust in Client), is rated as MEDIUM with a CVSSv3.1 base score of 4.3. While the attack vector is through the network with low attack complexity and privileges required, the confidentiality impact is low, and integrity impact remains unaffected. This vulnerability could potentially lead to unauthorized access to sensitive information.

Technical Details of CVE-2023-2632

In this section, we will explore the technical details surrounding CVE-2023-2632, including the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability allows Code Dx server API keys to be stored in plaintext in job config.xml files on the Jenkins controller, making them accessible to unauthorized users with specific permissions or access to the Jenkins controller file system.

Affected Systems and Versions

The Jenkins Code Dx Plugin versions up to and including 3.1.0 are affected by this vulnerability, specifically those utilizing the Maven versioning system.

Exploitation Mechanism

Exploiting this vulnerability involves gaining access to the job config.xml files on the Jenkins controller, either through Item/Extended Read permissions or direct access to the Jenkins controller file system, where the Code Dx server API keys are stored in an unencrypted form.

Mitigation and Prevention

To address and mitigate the risks associated with CVE-2023-2632, certain immediate steps can be taken, along with long-term security practices and the importance of timely patching and updates.

Immediate Steps to Take

Evaluate and identify instances where Code Dx server API keys are stored in an unencrypted form.
Implement access controls and restrictions to limit access to sensitive configuration files.
Consider rotating API keys and utilizing secure storage mechanisms for sensitive information.

Long-Term Security Practices

Regularly review and update security configurations to address any potential vulnerabilities.
Conduct security training and awareness programs for users to understand the importance of secure data handling.
Implement encryption mechanisms for storing sensitive information to prevent unauthorized access.

Patching and Updates

Stay informed about security advisories and updates from Jenkins and related plugin developers. Apply patches and updates promptly to ensure that known vulnerabilities, such as the plaintext storage of API keys, are addressed in a timely manner.

By following these steps and best practices, organizations can enhance their security posture and mitigate the risks associated with CVE-2023-2632.