CVE-2023-45822 : Vulnerability Insights and Analysis

Artifact Hub is a web-based application that enables finding, installing, and publishing packages and configurations for CNCF projects. A security researcher identified a bug during a security audit in which a default unsafe rego built-in was allowed to be used when defining authorization policies.

Understanding CVE-2023-45822

This vulnerability impacts Artifact Hub, specifically versions prior to 1.16.0, allowing the misuse of a default unsafe rego built-in during the definition of authorization policies.

What is CVE-2023-45822?

Artifact Hub's fine-grained authorization mechanism was found to permit the use of an unsafe rego built-in, enabling potential Server-Side Request Forgery (SSRF) attacks.

The Impact of CVE-2023-45822

The vulnerability could be exploited to make HTTP requests to internal resources and forward responses externally, posing a security risk to the organization's data and infrastructure.

Technical Details of CVE-2023-45822

Upon security audit, Artifact Hub versions preceding 1.16.0 were discovered to allow the misuse of rego built-ins, leading to potential SSRF attacks.

Vulnerability Description

A default unsafe rego built-in was improperly allowed in defining authorization policies, opening the door to SSRF attacks leveraging the

Open Policy Agent

and

rego

language.

Affected Systems and Versions

Vendor: artifacthub
Product: hub
Affected Versions: < 1.16.0

Exploitation Mechanism

Attackers could exploit this vulnerability by crafting malicious authorization policies that make unauthorized HTTP requests to internal resources.

Mitigation and Prevention

Users are strongly advised to upgrade to version 1.16.0 of Artifact Hub to mitigate the risk posed by this vulnerability.

Immediate Steps to Take

Upgrade to Artifact Hub version 1.16.0 as soon as possible to prevent the exploitation of this vulnerability within your organization.

Long-Term Security Practices

Enforce strict authorization policies, regularly audit code for security vulnerabilities, and stay informed about updates and security advisories.

Patching and Updates

Regularly check for updates and security advisories related to Artifact Hub to stay current on patches and fixes.