CVE-2019-1003020 : What You Need to Know

Jenkins Kanboard Plugin 1.5.10 and earlier versions are vulnerable to a server-side request forgery (SSRF) issue, allowing attackers with specific permissions to send unauthorized GET requests.

Understanding CVE-2019-1003020

This CVE involves a security vulnerability in the Jenkins Kanboard Plugin that can be exploited by attackers with certain permissions.

What is CVE-2019-1003020?

This CVE identifies a server-side request forgery vulnerability in the KanboardGlobalConfiguration.java file of Jenkins Kanboard Plugin versions 1.5.10 and earlier. It enables attackers with Overall/Read authorization to execute a GET request to a URL specified by the attacker.

The Impact of CVE-2019-1003020

The vulnerability allows unauthorized parties to manipulate the server into making requests on their behalf, potentially leading to unauthorized data access or other malicious activities.

Technical Details of CVE-2019-1003020

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The SSRF vulnerability in Jenkins Kanboard Plugin versions 1.5.10 and earlier allows attackers with specific permissions to trigger unauthorized GET requests to a specified URL.

Affected Systems and Versions

Product: Jenkins Kanboard Plugin
Vendor: Jenkins project
Vulnerable Versions: 1.5.10 and earlier

Exploitation Mechanism

Attackers with Overall/Read authorization can exploit this vulnerability by sending a crafted GET request to a URL of their choice, potentially leading to unauthorized access or data leakage.

Mitigation and Prevention

To address CVE-2019-1003020, follow these mitigation strategies:

Immediate Steps to Take

Update Jenkins Kanboard Plugin to a non-vulnerable version.
Restrict Overall/Read permissions to trusted users only.

Long-Term Security Practices

Regularly monitor and audit permissions and access controls within Jenkins.
Educate users on the risks of SSRF attacks and best practices for secure coding.

Patching and Updates

Apply security patches and updates provided by Jenkins project to fix the SSRF vulnerability in the Kanboard Plugin.