CVE-2019-16547 : Vulnerability Insights and Analysis

The Jenkins Google Compute Engine Plugin version 4.1.1 and earlier is vulnerable to unauthorized access due to missing permission checks in various API endpoints.

Understanding CVE-2019-16547

This CVE involves a security vulnerability in the Jenkins Google Compute Engine Plugin that could allow attackers with specific permissions to access sensitive information.

What is CVE-2019-16547?

The absence of permission checks in multiple API endpoints within the Jenkins Google Compute Engine Plugin version 4.1.1 and earlier can enable attackers with Overall/Read authorization to access limited details regarding the plugin's setup and environment.

The Impact of CVE-2019-16547

This vulnerability could lead to unauthorized access to sensitive information about the plugin's configuration and environment, potentially exposing critical data to malicious actors.

Technical Details of CVE-2019-16547

The technical aspects of this CVE provide insight into the vulnerability's description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

The Jenkins Google Compute Engine Plugin version 4.1.1 and earlier lack permission checks in various API endpoints, allowing attackers with Overall/Read permission to obtain limited information about the plugin configuration and environment.

Affected Systems and Versions

Product: Jenkins Google Compute Engine Plugin
Vendor: Jenkins project
Versions Affected: 4.1.1 and earlier

Exploitation Mechanism

Attackers with Overall/Read authorization can exploit this vulnerability to gain unauthorized access to sensitive details related to the plugin's setup and environment.

Mitigation and Prevention

Protecting systems from CVE-2019-16547 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update the Jenkins Google Compute Engine Plugin to a patched version that addresses the permission check issue.
Restrict access permissions to the plugin to only authorized users with specific roles.

Long-Term Security Practices

Regularly monitor and audit permissions and access controls within Jenkins plugins.
Educate users on the importance of maintaining secure configurations and permissions.

Patching and Updates

Ensure timely installation of security patches and updates for the Jenkins Google Compute Engine Plugin to mitigate the vulnerability and enhance overall system security.