CVE-2019-16566 Explained : Impact and Mitigation

A vulnerability in the Jenkins Team Concert Plugin version 1.3.0 and earlier allows attackers with specific permissions to connect to a malicious URL and capture stored credentials.

Understanding CVE-2019-16566

This CVE involves a missing permission check in the Jenkins Team Concert Plugin, potentially leading to unauthorized access and credential exposure.

What is CVE-2019-16566?

This CVE refers to a security flaw in the Jenkins Team Concert Plugin that enables users with Overall/Read permissions to connect to a URL specified by an attacker, potentially compromising stored credentials.

The Impact of CVE-2019-16566

The vulnerability allows attackers to access sensitive information stored in Jenkins, posing a risk of credential theft and unauthorized system access.

Technical Details of CVE-2019-16566

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The absence of permission verification in the affected plugin versions allows individuals with specific permissions to connect to a malicious URL and capture stored credentials.

Affected Systems and Versions

Product: Jenkins Team Concert Plugin
Vendor: Jenkins project
Versions Affected: <= 1.3.0, next of 1.3.0

Exploitation Mechanism

Attackers with Overall/Read permissions can exploit this vulnerability by connecting to a specified URL using credentials IDs obtained through alternative means.

Mitigation and Prevention

Protect your systems from CVE-2019-16566 with these mitigation strategies.

Immediate Steps to Take

Upgrade the Jenkins Team Concert Plugin to a secure version.
Restrict permissions to minimize the impact of unauthorized access.

Long-Term Security Practices

Regularly review and update access control policies.
Conduct security training to educate users on best practices.

Patching and Updates

Apply security patches promptly to address known vulnerabilities and enhance system security.