CVE-2020-28053 : Security Advisory and Response

HashiCorp Consul and Consul Enterprise 1.2.0 up to 1.8.5 allowed operators with operator:read ACL permissions to read the Connect CA private key configuration. Fixed in 1.6.10, 1.7.10, and 1.8.6.

Understanding CVE-2020-28053

This CVE involves a vulnerability in HashiCorp Consul and Consul Enterprise versions 1.2.0 up to 1.8.5 that allowed certain operators to access sensitive information.

What is CVE-2020-28053?

CVE-2020-28053 is a security flaw in HashiCorp Consul and Consul Enterprise versions 1.2.0 up to 1.8.5 that permitted operators with specific permissions to read the Connect CA private key configuration.

The Impact of CVE-2020-28053

The vulnerability could allow unauthorized access to sensitive data, potentially leading to data breaches and compromise of the Connect CA private key configuration.

Technical Details of CVE-2020-28053

This section provides more in-depth technical information about the CVE.

Vulnerability Description

Operators with operator:read ACL permissions could exploit the vulnerability to read the Connect CA private key configuration.

Affected Systems and Versions

HashiCorp Consul and Consul Enterprise versions 1.2.0 up to 1.8.5

Exploitation Mechanism

The vulnerability could be exploited by operators with specific permissions to access the Connect CA private key configuration.

Mitigation and Prevention

Protecting systems from CVE-2020-28053 is crucial to maintaining security.

Immediate Steps to Take

Upgrade to the fixed versions: 1.6.10, 1.7.10, or 1.8.6
Review and adjust operator permissions to limit access to sensitive data

Long-Term Security Practices

Regularly review and update access control policies
Conduct security training for operators to raise awareness of data security

Patching and Updates

Apply patches provided by HashiCorp promptly to address the vulnerability