CVE-2019-16767 : Vulnerability Insights and Analysis

EzMaster before version 5.2.11 had a vulnerability where docker containers were executed with advanced privileges by default.

Understanding CVE-2019-16767

This CVE entry describes a security issue in EzMaster that allowed docker containers to run with enhanced privileges without explicit user authorization.

What is CVE-2019-16767?

The vulnerability in EzMaster prior to version 5.2.11 allowed containers to be executed with advanced privileges by default, potentially leading to unauthorized access and security breaches.

The Impact of CVE-2019-16767

The impact of this vulnerability is rated as MEDIUM with a CVSS base score of 6.6. It could result in high confidentiality impact and low integrity impact.

Technical Details of CVE-2019-16767

This section provides more detailed technical information about the vulnerability.

Vulnerability Description

The admin sys mode in EzMaster was set to run containers with advanced privileges by default, posing a security risk.

Affected Systems and Versions

Product: ezmaster
Vendor: Inist-CNRS
Versions Affected: < 5.2.11

Exploitation Mechanism

The vulnerability could be exploited locally with low privileges required, making it easier for attackers to compromise the system.

Mitigation and Prevention

To address CVE-2019-16767, follow these mitigation strategies:

Immediate Steps to Take

Upgrade EzMaster to version 5.2.11 or higher to mitigate the vulnerability.
Avoid running containers with unnecessary privileges to reduce the attack surface.

Long-Term Security Practices

Regularly review and update container security configurations.
Implement the principle of least privilege to restrict container capabilities.

Patching and Updates

Stay informed about security advisories and promptly apply patches to secure your system.