CVE-2023-49143 : Security Advisory and Response

A denial-of-service vulnerability has been identified in the rfe service of HMI GC-A2 series, affecting various products by JTEKT ELECTRONICS CORPORATION.

Understanding CVE-2023-49143

This vulnerability allows remote unauthenticated attackers to trigger a DoS condition by sending specially crafted packets to specific ports.

What is CVE-2023-49143?

CVE-2023-49143 is a denial-of-service (DoS) vulnerability found in the rfe service of HMI GC-A2 series products. Exploitation of this vulnerability can lead to a DoS condition when malicious packets are sent to certain ports.

The Impact of CVE-2023-49143

The impact of this vulnerability is a potential denial of service for affected systems, which could disrupt normal operations and services.

Technical Details of CVE-2023-49143

Vulnerability Description

The vulnerability lies in the rfe service of JTEKT ELECTRONICS CORPORATION's GC-A2 series HMI products. Attackers can exploit this flaw by sending specially crafted packets to specific ports, resulting in a denial-of-service condition.

Affected Systems and Versions

The following JTEKT ELECTRONICS CORPORATION products are affected by CVE-2023-49143:

GC-A22W-CW
GC-A24W-C(W)
GC-A26W-C(W)
GC-A24
GC-A24-M
GC-A25
GC-A26
GC-A26-J2
GC-A27-C
GC-A28-C

Exploitation Mechanism

Remote unauthenticated attackers can exploit this vulnerability by sending specially crafted packets to specific ports, triggering a denial-of-service condition.

Mitigation and Prevention

Immediate Steps to Take

To mitigate the risk associated with CVE-2023-49143, users are advised to implement firewall rules to restrict access to the vulnerable ports and apply security updates as soon as they are available.

Long-Term Security Practices

Maintaining up-to-date security measures, conducting regular security assessments, and implementing network monitoring can help in detecting and preventing similar vulnerabilities in the future.

Patching and Updates

Users should regularly check for updates and patches released by JTEKT ELECTRONICS CORPORATION to address the CVE-2023-49143 vulnerability and ensure the security of their systems.