CVE-2023-30903 : Security Advisory and Response

In this article, we will explore CVE-2023-30903, a vulnerability in HP-UX that could lead to a Denial of Service (DoS) attack when configuring a physical interface with IPv6/inet6.

Understanding CVE-2023-30903

This CVE refers to a specific issue in HP-UX that can be exploited locally to disrupt services on the system.

What is CVE-2023-30903?

CVE-2023-30903 is a vulnerability in HP-UX versions prior to PHNE_44929 that allows for a DoS attack by configuring a physical interface with IPv6/inet6.

The Impact of CVE-2023-30903

The impact of this vulnerability is the potential disruption of services and operations on affected HP-UX systems.

Technical Details of CVE-2023-30903

Let's dive into the technical aspects of CVE-2023-30903.

Vulnerability Description

The vulnerability arises when any physical interface is configured with IPv6/inet6 in HP-UX, leading to a possible DoS attack.

Affected Systems and Versions

HP-UX 11 versions prior to PHNE_44929 are affected by this vulnerability.

Exploitation Mechanism

To exploit this vulnerability, an attacker would need local access to the system to configure a physical interface with IPv6/inet6.

Mitigation and Prevention

Here are the steps to mitigate and prevent exploitation of CVE-2023-30903.

Immediate Steps to Take

Users are advised to apply the necessary patches provided by Hewlett Packard Enterprise (HPE) to address this vulnerability.

Long-Term Security Practices

Implementing network segmentation and access controls can help prevent unauthorized access and mitigate the risk of DoS attacks.

Patching and Updates

Regularly apply security patches and updates released by HPE to ensure the system is protected against known vulnerabilities.