CVE-2022-28866 Explained : Impact and Mitigation

A vulnerability known as Multiple Improper Access Control has been identified in Nokia AirFrame BMC Web GUI < R18 Firmware v4.13.00, allowing unauthorized access and potential denial of service attacks.

Understanding CVE-2022-28866

This section provides insights into the nature of CVE-2022-28866 and its implications.

What is CVE-2022-28866?

The CVE-2022-28866 refers to Multiple Improper Access Control issues in Nokia AirFrame BMC Web GUI < R18 Firmware v4.13.00. These vulnerabilities arise due to inadequate validation of access requests, potentially enabling unauthorized users to view sensitive data and alter system configurations intended only for administrators.

The Impact of CVE-2022-28866

The impact of CVE-2022-28866 includes the risk of unauthorized access to restricted resources, exposure of sensitive information, and the possibility of causing Denial of Service (DoS) attacks that can disrupt system operations.

Technical Details of CVE-2022-28866

This section delves into the technical aspects of CVE-2022-28866, such as the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability involves the improper validation of requests for access to data and functionality under specific endpoints, potentially allowing attackers to bypass security controls and access restricted areas.

Affected Systems and Versions

The affected system is Nokia AirFrame BMC Web GUI with firmware versions below v4.13.00, leaving these systems vulnerable to unauthorized access and system configuration alterations.

Exploitation Mechanism

By exploiting the inadequate permission validation in the /#settings/* and /api/settings/* endpoints, threat actors can gain unauthorized access to sensitive data and manipulate system settings, leading to potential DoS attacks.

Mitigation and Prevention

In this section, we discuss the steps to mitigate the risks posed by CVE-2022-28866 and prevent similar vulnerabilities in the future.

Immediate Steps to Take

Immediately restrict access to the vulnerable endpoints, apply necessary access controls, and monitor system activities for any unauthorized changes or access attempts.

Long-Term Security Practices

Enhance overall system security by regularly updating firmware, implementing strong authentication mechanisms, conducting security audits, and providing regular training to system administrators.

Patching and Updates

Apply patches and updates provided by Nokia for the AirFrame BMC Web GUI to address the Multiple Improper Access Control vulnerabilities and enhance the overall security posture of the affected systems.