CVE-2020-12797 : Vulnerability Insights and Analysis
Learn about CVE-2020-12797 affecting HashiCorp Consul and Consul Enterprise. Find out the impact, affected versions, and mitigation steps to secure your systems.
HashiCorp Consul and Consul Enterprise failed to enforce changes to legacy ACL token rules due to non-propagation to secondary data centers. This vulnerability was introduced in version 1.4.0 and fixed in versions 1.6.6 and 1.7.4.
Understanding CVE-2020-12797
This CVE involves a failure in enforcing changes to legacy ACL token rules in HashiCorp Consul and Consul Enterprise.
What is CVE-2020-12797?
CVE-2020-12797 is a vulnerability in HashiCorp Consul and Consul Enterprise that resulted in the non-propagation of changes to legacy ACL token rules to secondary data centers.
The Impact of CVE-2020-12797
The vulnerability could potentially allow unauthorized access to resources due to the failure to enforce ACL token rule changes, compromising the security of the affected systems.
Technical Details of CVE-2020-12797
This section provides more technical insights into the CVE.
Vulnerability Description
HashiCorp Consul and Consul Enterprise failed to enforce changes to legacy ACL token rules, leading to non-propagation to secondary data centers.
Affected Systems and Versions
- Product: HashiCorp Consul and Consul Enterprise
- Versions affected: 1.4.0
Exploitation Mechanism
The vulnerability could be exploited by malicious actors to bypass ACL token rules and gain unauthorized access to resources within the affected systems.
Mitigation and Prevention
Protecting systems from CVE-2020-12797 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Upgrade affected systems to versions 1.6.6 or 1.7.4 where the vulnerability has been fixed.
- Review and update ACL token rules to ensure proper enforcement and propagation.
Long-Term Security Practices
- Regularly monitor and audit ACL token rules for consistency and effectiveness.
- Implement network segmentation to limit the impact of potential unauthorized access.
Patching and Updates
- Apply patches provided by HashiCorp for Consul and Consul Enterprise to address the vulnerability and enhance system security.