CVE-2023-1832 : Vulnerability Insights and Analysis

This CVE-2023-1832 involves an improper authorization check in the server component, specifically affecting Red Hat Satellite 6 and Candlepin. It was reported to Red Hat on April 4, 2023, and publicly disclosed on August 14, 2023.

Understanding CVE-2023-1832

This vulnerability revolves around an improper access control flaw discovered in Candlepin. It allows an attacker to create data scoped under another customer/tenant, potentially leading to a loss of confidentiality and availability for the affected customer/tenant.

What is CVE-2023-1832?

The improper authorization check vulnerability in the server component of Red Hat Satellite 6 and Candlepin enables unauthorized access and manipulation of data, compromising the confidentiality and availability of the affected systems.

The Impact of CVE-2023-1832

With this vulnerability, attackers can exploit the improper access control to gain unauthorized access to sensitive data, leading to potential data breaches, loss of confidentiality, and disruptions in services on affected systems.

Technical Details of CVE-2023-1832

The CVSS v3.1 score for CVE-2023-1832 is 6.8, indicating a medium severity level. The attack complexity is high, and the vulnerability has a high impact on availability and confidentiality. The privilege required for exploitation is low, and the attack vector is through the network.

Vulnerability Description

The vulnerability arises from the improper access control flaw in Candlepin, allowing attackers to manipulate data within another customer/tenant's scope, leading to security breaches and data loss.

Affected Systems and Versions

Candlepin version 4.3.7 with status unaffected
Candlepin version 4.3.8 with status unaffected
Red Hat Satellite 6 with Candlepin affected

Exploitation Mechanism

Attackers can exploit this vulnerability by creating data within another customer/tenant's scope, circumventing the authorization checks and potentially gaining unauthorized access to sensitive information.

Mitigation and Prevention

To address CVE-2023-1832, immediate actions and long-term security practices are essential to mitigate risks and enhance the security posture of the affected systems.

Immediate Steps to Take

Red Hat Satellite 6 and Candlepin users should apply the necessary security patches provided by Red Hat to address this vulnerability.
Implement network segmentation and access controls to restrict unauthorized access to sensitive data.
Regularly monitor and audit access controls and permissions to detect any unauthorized activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and remediate any potential vulnerabilities.
Train employees on best practices for data security and access control to prevent unauthorized access.
Stay informed about security updates and advisories from Red Hat and other relevant sources to address emerging threats promptly.

Patching and Updates

Ensure that the affected systems are updated with the latest security patches released by Red Hat to mitigate the improper authorization check vulnerability and enhance overall system security.