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CVE-2023-22316 Explained : Impact and Mitigation

Discover the impact of CVE-2023-22316, a hidden functionality vulnerability in PIX-RT100, exposing it to network-adjacent attackers via undocumented Telnet or SSH services. Learn mitigation steps and updates.

This CVE-2023-22316 was published on January 17, 2023, by JPCERT. It involves a hidden functionality vulnerability in PIX-RT100 versions RT100_TEQ_2.1.1_EQ101 and RT100_TEQ_2.1.2_EQ101, allowing a network-adjacent attacker to access the product via undocumented Telnet or SSH services.

Understanding CVE-2023-22316

This section will delve into a detailed understanding of the CVE-2023-22316 vulnerability in PIX-RT100 versions RT100_TEQ_2.1.1_EQ101 and RT100_TEQ_2.1.2_EQ101.

What is CVE-2023-22316?

CVE-2023-22316 is a hidden functionality vulnerability in PIX-RT100 that enables a malicious actor located adjacent to the network to gain access to the product through Telnet or SSH services that were not documented.

The Impact of CVE-2023-22316

The impact of this vulnerability is significant as it allows unauthorized access to the affected product, potentially leading to further exploitation and compromise of sensitive data and systems.

Technical Details of CVE-2023-22316

In this section, we will explore the technical details surrounding CVE-2023-22316, including the vulnerability description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability lies in the hidden functionality of PIX-RT100 versions RT100_TEQ_2.1.1_EQ101 and RT100_TEQ_2.1.2_EQ101, which permits unauthorized access via Telnet or SSH services.

Affected Systems and Versions

The affected vendor is PIXELA CORPORATION, specifically the product PIX-RT100 in versions RT100_TEQ_2.1.1_EQ101 and RT100_TEQ_2.1.2_EQ101.

Exploitation Mechanism

An attacker positioned adjacent to the network can exploit this vulnerability to access the product using undocumented Telnet or SSH services, bypassing normal security measures.

Mitigation and Prevention

Mitigating CVE-2023-22316 is crucial to prevent potential security breaches and unauthorized access to the affected product. Here are some steps to take:

Immediate Steps to Take

        Disable Telnet and SSH services if not required.
        Implement network segmentation to restrict access to vulnerable devices.
        Monitor network traffic for any suspicious activities.

Long-Term Security Practices

        Regularly update and patch the affected product to address security vulnerabilities promptly.
        Conduct security assessments and penetration testing to identify and address potential entry points for attackers.
        Educate staff and users on cybersecurity best practices to enhance overall security posture.

Patching and Updates

Refer to the vendor's update page (https://www.pixela.co.jp/products/network/pix_rt100/update.html) and JVN vulnerability report (https://jvn.jp/en/jp/JVN57296685/index.html) for patches and updates to address CVE-2023-22316. Regularly check for new security advisories and apply patches as soon as they are available to secure the system against known vulnerabilities.

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