CVE-2023-5915 : What You Need to Know

This CVE-2023-5915 pertains to a vulnerability of Uncontrolled Resource Consumption identified in STARDOM, a product provided by Yokogawa Electric Corporation. This vulnerability may allow a remote attacker to cause a denial-of-service condition to the FCN/FCJ controller by sending a crafted packet, affecting versions STARDOM FCN/FCJ R1.01 to R4.31.

Understanding CVE-2023-5915

This section delves deeper into the nature of the CVE-2023-5915 vulnerability and its implications.

What is CVE-2023-5915?

CVE-2023-5915 involves a vulnerability of Uncontrolled Resource Consumption in STARDOM by Yokogawa Electric Corporation. It enables a remote attacker to trigger a denial-of-service condition on the FCN/FCJ controller by sending a specifically crafted packet.

The Impact of CVE-2023-5915

The vulnerability in CVE-2023-5915 can result in a denial-of-service situation on the FCN/FCJ controller, hindering access to the controller's maintenance homepage and rendering functions like configuration changes and log viewing unavailable. However, the controller's operation itself remains unaffected by this condition.

Technical Details of CVE-2023-5915

This section provides more detailed insights into the vulnerability, including the affected systems, versions, and how the exploitation may occur.

Vulnerability Description

The vulnerability allows remote attackers to cause a denial-of-service condition on the FCN/FCJ controller in STARDOM by sending a carefully crafted packet targeting specific versions of R1.01 to R4.31.

Affected Systems and Versions

The impacted systems include STARDOM FCN/FCJ versions ranging from R1.01 to R4.31.

Exploitation Mechanism

To exploit CVE-2023-5915, a remote attacker could send a specially designed packet to the FCN/FCJ controller, triggering the denial-of-service condition and blocking access to the maintenance homepage.

Mitigation and Prevention

In this section, we outline steps to mitigate the risks associated with CVE-2023-5915 and prevent any potential exploitation.

Immediate Steps to Take

Immediate actions include applying security patches promptly, monitoring network activity for any suspicious behavior, and limiting access to vulnerable systems.

Long-Term Security Practices

Long-term security measures encompass regular vulnerability assessments, enhancing network security protocols, and providing comprehensive security training to staff members.

Patching and Updates

Yokogawa Electric Corporation may release security patches to address CVE-2023-5915. It is crucial to keep systems up to date with the latest patches and updates to mitigate the vulnerability effectively.