CVE-2023-3114 : Exploit Details and Defense Strategies

This article provides detailed information about CVE-2023-3114, a vulnerability identified in Terraform Enterprise by HashiCorp.

Understanding CVE-2023-3114

CVE-2023-3114 highlights an issue where Terraform Enterprise failed to properly implement authorization rules for agent pools, allowing unauthorized workspaces to target an agent pool. This flaw could potentially lead to unauthorized access between workspaces.

What is CVE-2023-3114?

The vulnerability, CVE-2023-3114, in Terraform Enterprise versions prior to v202306-1 stems from incorrect authorization implementation for agent pools. It may enable a workspace to access resources from a higher-privileged workspace within the same organization that has targeted an agent pool.

The Impact of CVE-2023-3114

The impact of CVE-2023-3114 is classified as a medium severity issue. While the confidentiality impact is low, there is a potential risk of unauthorized access and misuse of resources between workspaces within the organization.

Technical Details of CVE-2023-3114

The vulnerability is categorized under CWE-863 Incorrect Authorization and CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs.

Vulnerability Description

Terraform Enterprise versions up to v202306-1 lacked proper authorization rules for agent pools, allowing unauthorized workspaces to target these pools, potentially leading to cross-workspace resource access.

Affected Systems and Versions

The affected system is Terraform Enterprise by HashiCorp, particularly versions prior to v202306-1. Platforms impacted include Windows, Linux, x86, 64 bit, and 32 bit systems.

Exploitation Mechanism

Exploitation of this vulnerability involves leveraging the lack of proper authorization controls in agent pools to target unauthorized workspaces within the same organization.

Mitigation and Prevention

To address CVE-2023-3114, immediate steps need to be taken along with the establishment of long-term security practices to prevent similar issues in the future.

Immediate Steps to Take

Upgrade to Terraform Enterprise version v202306-1 or later to mitigate the vulnerability.
Review and adjust authorization rules for agent pools to ensure proper access control within workspaces.

Long-Term Security Practices

Regularly review and update authorization controls to prevent unauthorized access within the organization.
Conduct security assessments and audits to identify and address any potential vulnerabilities proactively.

Patching and Updates

Ensure that systems running Terraform Enterprise are kept up to date with the latest patches and updates to address security vulnerabilities promptly. Regularly monitor for security advisories from HashiCorp and apply patches as recommended.