CVE-2023-0456 Explained : Impact and Mitigation

A vulnerability has been identified in APICast, affecting Red Hat 3scale API Management Platform 2. The flaw could allow an attacker to access unauthorized information due to improper evaluation of a response to a mismatched token from a separate realm.

Understanding CVE-2023-0456

This section delves deeper into the specifics of CVE-2023-0456.

What is CVE-2023-0456?

The vulnerability lies in APICast, where 3Scale's OIDC module fails to properly assess the response to a mismatched token from a different realm. This oversight enables an attacker to gain access to a separate realm and potentially unauthorized information.

The Impact of CVE-2023-0456

With a CVSS base score of 7.4, rated as "High" severity by Red Hat, CVE-2023-0456 poses a significant risk. The confidentiality and integrity impacts are both rated as "High," with a relatively high attack complexity and network-based attack vector.

Technical Details of CVE-2023-0456

Explore the technical aspects and implications of CVE-2023-0456 below.

Vulnerability Description

The flaw in APICast allows unauthorized access to information by not properly verifying mismatched tokens from separate realms, potentially granting attackers access to restricted content.

Affected Systems and Versions

Product: APICast
Vendor: Red Hat
Affected Versions:
2.12.2
2.13.2
2.14.0

Exploitation Mechanism

Exploiting CVE-2023-0456 involves leveraging the improper evaluation of responses to mismatched tokens in order to access unauthorized information within a separate realm.

Mitigation and Prevention

Discover the measures to mitigate and prevent the exploitation of CVE-2023-0456.

Immediate Steps to Take

Users are advised to apply security patches promptly, restrict network access to vulnerable systems, and monitor for any suspicious activities.

Long-Term Security Practices

Implementing strong authentication mechanisms, regular security audits, and ongoing security training for personnel can enhance your organization's overall security posture.

Patching and Updates

Stay informed about security advisories from Red Hat and apply relevant security updates to address CVE-2023-0456 and other vulnerabilities effectively.