CVE-2022-22351 Explained : Impact and Mitigation

A denial of service vulnerability impacting IBM AIX versions 7.1, 7.2, 7.3, and VIOS 3.1 has been identified.

Understanding CVE-2022-22351

This CVE discloses a vulnerability in IBM AIX and VIOS that could be exploited by a non-privileged trusted host user to cause a denial of service in the nimsh daemon on another trusted host.

What is CVE-2022-22351?

The vulnerability in IBM AIX and VIOS versions could allow unauthorized users to disrupt services on trusted hosts using the nimsh daemon, potentially impacting system availability.

The Impact of CVE-2022-22351

The impact of this vulnerability is rated as MEDIUM based on the CVSS score, with a base score of 6.1. Attack complexity is deemed HIGH, with availability impact marked as HIGH as well.

Technical Details of CVE-2022-22351

This section outlines the specific technical details related to the vulnerability.

Vulnerability Description

The vulnerability allows a non-privileged trusted host user to exploit the nimsh daemon, leading to a denial of service on another trusted host.

Affected Systems and Versions

IBM AIX versions 7.1, 7.2, 7.3, and VIOS 3.1 are affected by this vulnerability.

Exploitation Mechanism

The vulnerability can be exploited by a non-privileged trusted host user leveraging the nimsh daemon to perform a denial of service attack.

Mitigation and Prevention

To safeguard systems from CVE-2022-22351, immediate actions and long-term security practices should be implemented.

Immediate Steps to Take

Ensure systems running affected versions of IBM AIX and VIOS are patched with the official fixes provided by IBM.

Long-Term Security Practices

Establish stringent access controls, monitor network traffic for anomalies, and conduct regular security audits to detect and mitigate similar vulnerabilities.

Patching and Updates

Regularly apply security patches and updates released by IBM to address known vulnerabilities and enhance system security.