CVE-2020-7955 : What You Need to Know
Learn about CVE-2020-7955 affecting HashiCorp Consul and Consul Enterprise versions 1.4.1 to 1.6.2, leading to potential information disclosure. Find mitigation steps and best practices here.
HashiCorp Consul and Consul Enterprise versions 1.4.1 through 1.6.2 had a vulnerability that allowed inconsistent enforcement of ACLs across API endpoints, potentially leading to unintended information disclosure. This issue was addressed in version 1.6.3.
Understanding CVE-2020-7955
This CVE entry pertains to a security vulnerability in HashiCorp Consul and Consul Enterprise versions 1.4.1 through 1.6.2.
What is CVE-2020-7955?
CVE-2020-7955 highlights a flaw in Consul and Consul Enterprise versions 1.4.1 to 1.6.2, where ACLs were not consistently enforced across all API endpoints, creating a risk of unauthorized information exposure.
The Impact of CVE-2020-7955
The vulnerability could potentially lead to unintended information disclosure, compromising the confidentiality of sensitive data.
Technical Details of CVE-2020-7955
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The issue in HashiCorp Consul and Consul Enterprise versions 1.4.1 through 1.6.2 allowed for inconsistent ACL enforcement, opening the door to unauthorized access to sensitive information.
Affected Systems and Versions
- HashiCorp Consul and Consul Enterprise versions 1.4.1 through 1.6.2
Exploitation Mechanism
Attackers could exploit this vulnerability to access information that should have been protected by ACLs, potentially leading to data breaches.
Mitigation and Prevention
Protecting systems from CVE-2020-7955 requires immediate action and long-term security measures.
Immediate Steps to Take
- Upgrade affected systems to version 1.6.3 or later to mitigate the vulnerability.
- Review and adjust ACL configurations to ensure consistent enforcement across all API endpoints.
Long-Term Security Practices
- Regularly monitor and audit ACL settings to detect any deviations or unauthorized access attempts.
- Stay informed about security updates and best practices from HashiCorp to enhance system security.
Patching and Updates
Ensure timely application of security patches and updates provided by HashiCorp to address vulnerabilities like CVE-2020-7955.