CVE-2019-10327 : Vulnerability Insights and Analysis

Jenkins Pipeline Maven Integration Plugin 1.7.0 and earlier versions contain a vulnerability known as XML external entities (XXE), allowing attackers to exploit the content of a temporary directory on the agent running the Maven build. This could lead to sensitive information extraction, server-side request forgery, or denial-of-service attacks.

Understanding CVE-2019-10327

Jenkins Pipeline Maven Integration Plugin 1.7.0 and earlier versions are susceptible to an XXE vulnerability, enabling attackers to manipulate XML files to extract data from the Jenkins master.

What is CVE-2019-10327?

This CVE identifies an XXE vulnerability in Jenkins Pipeline Maven Integration Plugin versions 1.7.0 and earlier, allowing attackers to control a temporary directory's content to exploit Jenkins.

The Impact of CVE-2019-10327

Attackers can extract sensitive information from the Jenkins master by crafting malicious XML files with external entities.
Possibility of server-side request forgery and denial-of-service attacks.

Technical Details of CVE-2019-10327

Jenkins Pipeline Maven Integration Plugin 1.7.0 and earlier versions are affected by an XXE vulnerability.

Vulnerability Description

The vulnerability allows attackers to manipulate XML files to extract sensitive data from the Jenkins master.

Affected Systems and Versions

Product: Jenkins Pipeline Maven Integration Plugin
Vendor: Jenkins project
Versions: 1.7.0 and earlier

Exploitation Mechanism

Attackers can exploit the vulnerability by controlling the content of a temporary directory on the agent running the Maven build.

Mitigation and Prevention

Immediate Steps to Take:

Update Jenkins Pipeline Maven Integration Plugin to a non-vulnerable version.
Monitor and restrict access to temporary directories on agents.

Long-Term Security Practices:

Regularly scan and patch Jenkins plugins for vulnerabilities.
Educate users on secure coding practices and XML security.
Implement network segmentation to limit the impact of potential attacks.
Stay informed about security advisories and updates from Jenkins.
Consider using security tools to detect and prevent XXE vulnerabilities.

Patching and Updates:

Apply patches and updates provided by Jenkins to address the XXE vulnerability in the affected versions.