CVE-2019-16874 : Exploit Details and Defense Strategies

Portainer versions prior to 1.22.1 have an Access Control flaw that can be exploited by attackers.

Understanding CVE-2019-16874

This CVE identifies a security vulnerability in Portainer versions before 1.22.1 that could lead to unauthorized access.

What is CVE-2019-16874?

Portainer, a container management tool, is affected by an Access Control flaw, allowing attackers to potentially gain unauthorized access.

The Impact of CVE-2019-16874

The vulnerability could result in unauthorized users gaining access to sensitive information or performing malicious actions within the affected systems.

Technical Details of CVE-2019-16874

Portainer's security issue is detailed below:

Vulnerability Description

Portainer versions before 1.22.1 suffer from an Access Control flaw, marked as issue 2 out of 4.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: All versions before 1.22.1

Exploitation Mechanism

Attackers can exploit this vulnerability to bypass access controls and gain unauthorized entry into Portainer instances.

Mitigation and Prevention

To address CVE-2019-16874, consider the following steps:

Immediate Steps to Take

Upgrade Portainer to version 1.22.1 or newer to mitigate the vulnerability.
Restrict network access to Portainer instances to trusted sources only.

Long-Term Security Practices

Regularly monitor and audit access controls and permissions within Portainer.
Educate users on secure practices and the importance of access control.

Patching and Updates

Stay informed about security updates for Portainer and promptly apply patches to ensure system security.