CVE-2023-43508 : Security Advisory and Response

A deep dive into the vulnerability in Aruba ClearPass Policy Manager that allows for authorization bypass leading to privilege escalation.

Understanding CVE-2023-43508

This CVE discloses an authorization bypass vulnerability in the web-based management interface of Aruba ClearPass Policy Manager, enabling an attacker to escalate privileges.

What is CVE-2023-43508?

Vulnerabilities in the web-based management interface of ClearPass Policy Manager allow an attacker with read-only privileges to perform actions that can change the state of the instance. This can lead to unauthorized privilege escalation on the platform.

The Impact of CVE-2023-43508

Successful exploitation of this vulnerability grants an attacker the ability to carry out state-changing actions on the web-based management interface that exceed their current level of authorization, potentially leading to privilege escalation.

Technical Details of CVE-2023-43508

This section dives into the specific technical aspects of the CVE, including the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability allows attackers with read-only privileges to manipulate the state of the ClearPass Policy Manager instance, granting them unauthorized access to perform actions beyond their permissions.

Affected Systems and Versions

Aruba ClearPass Policy Manager versions 6.11.4 and below, 6.10.8 with cumulative hotfix patch 5 and below, and 6.9.13 with cumulative hotfix patch 3 and below are affected by this vulnerability.

Exploitation Mechanism

Attackers with read-only privileges can exploit this vulnerability in the web-based management interface to perform actions that should not be permitted at their current privilege level, potentially leading to unauthorized activities.

Mitigation and Prevention

Discover the immediate steps and long-term security practices to mitigate the risk associated with CVE-2023-43508 in Aruba ClearPass Policy Manager.

Immediate Steps to Take

It is recommended to apply security patches and updates provided by the vendor promptly. Additionally, review and restrict user privileges to minimize the impact of this vulnerability.

Long-Term Security Practices

Implement a comprehensive security policy that includes regular security updates, monitoring of privilege escalation attempts, and ongoing security training for users to prevent similar vulnerabilities.

Patching and Updates

Stay informed about the latest security patches and updates released by Hewlett Packard Enterprise (HPE) for Aruba ClearPass Policy Manager to address the CVE-2023-43508 vulnerability effectively.