CVE-2020-35453 : Security Advisory and Response

HashiCorp Vault Enterprise's Sentinel EGP policy feature allowed requests to be processed in parent and sibling namespaces, impacting versions prior to 1.5.6 and 1.6.1.

Understanding CVE-2020-35453

HashiCorp Vault Enterprise's Sentinel EGP policy feature had a vulnerability that allowed requests to be processed in unintended namespaces.

What is CVE-2020-35453?

The vulnerability in HashiCorp Vault Enterprise's Sentinel EGP policy feature allowed requests to be processed in parent and sibling namespaces, potentially leading to unauthorized access.

The Impact of CVE-2020-35453

This vulnerability could result in unauthorized access to sensitive data and resources within the affected namespaces.

Technical Details of CVE-2020-35453

HashiCorp Vault Enterprise's Sentinel EGP policy feature vulnerability details.

Vulnerability Description

The vulnerability allowed requests to be processed in parent and sibling namespaces, potentially leading to unauthorized access.

Affected Systems and Versions

HashiCorp Vault Enterprise versions prior to 1.5.6 and 1.6.1

Exploitation Mechanism

Attackers could exploit this vulnerability to access data and resources in unintended namespaces.

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2020-35453 vulnerability.

Immediate Steps to Take

Upgrade HashiCorp Vault Enterprise to version 1.5.6 or 1.6.1 to address the vulnerability.
Review and adjust Sentinel EGP policies to ensure requests are processed only in the intended namespaces.

Long-Term Security Practices

Regularly review and update access control policies to prevent unauthorized access.
Conduct security assessments and audits to identify and address potential vulnerabilities.

Patching and Updates

Apply patches and updates provided by HashiCorp to ensure the security of the Vault Enterprise system.