CVE-2022-27195 : What You Need to Know

Jenkins Parameterized Trigger Plugin 2.43 and earlier versions are affected by a vulnerability where environment variables, including sensitive password values, passed to builds are stored unencrypted in the

build.xml

files. This could allow unauthorized users with access to the Jenkins controller file system to view these sensitive values.

Understanding CVE-2022-27195

This CVE affects Jenkins Parameterized Trigger Plugin versions up to 2.43, potentially exposing sensitive information.

What is CVE-2022-27195?

The vulnerability in Jenkins Parameterized Trigger Plugin allows environment variables, including passwords, to be stored in an unencrypted format in

build.xml

files, posing a risk of exposure to unauthorized users.

The Impact of CVE-2022-27195

If exploited, this vulnerability could lead to the exposure of sensitive password values to unauthorized users who have access to the Jenkins controller file system.

Technical Details of CVE-2022-27195

This section provides more insight into the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

Jenkins Parameterized Trigger Plugin versions up to 2.43 store environment variables, including passwords, in an unencrypted format in the

build.xml

files, potentially exposing them to unauthorized access.

Affected Systems and Versions

The affected systems include Jenkins Parameterized Trigger Plugin versions up to 2.43.

Exploitation Mechanism

Unauthorized users with access to the Jenkins controller file system can exploit this vulnerability to view sensitive environment variable values stored in

build.xml

files.

Mitigation and Prevention

To address CVE-2022-27195, it is essential to take immediate steps, follow long-term security practices, and ensure timely patching and updates.

Immediate Steps to Take

Update Jenkins Parameterized Trigger Plugin to a secure version, avoid storing sensitive data in environment variables, and restrict access to the Jenkins controller file system.

Long-Term Security Practices

Implement encryption mechanisms for sensitive data, conduct regular security audits, and educate users on secure handling of credentials.

Patching and Updates

Stay informed about security advisories from Jenkins project, apply patches promptly, and regularly update Jenkins and its plugins to mitigate known vulnerabilities.