CVE-2023-24480 : What You Need to Know

This CVE-2023-24480 was published by Honeywell on July 13, 2023, and is now in a PUBLISHED state. It affects platforms like Experion PKS, Experion LX, and Experion PlantCruise under the C300 product by Honeywell.

Understanding CVE-2023-24480

This vulnerability revolves around a stack overflow in controllers when decoding messages received from the server. It has a critical impact, rated with a CVSS base score of 9.8, making it a high priority security concern.

What is CVE-2023-24480?

CVE-2023-24480 involves Controller DoS (Denial of Service) due to a stack overflow issue when decoding messages from the server. This vulnerability can potentially lead to system unavailability, compromised confidentiality, and integrity impacts.

The Impact of CVE-2023-24480

The impact of this vulnerability is significant, as it can result in a denial of service situation, potentially causing system downtime and disrupting critical operations. The CVSS base score of 9.8 highlights the critical severity and high-risk nature of this vulnerability.

Technical Details of CVE-2023-24480

This section delves into the specific technical aspects of CVE-2023-24480, including vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability involves a stack overflow issue that occurs during the decoding process of messages coming from the server. This can lead to system instability and potential denial of service scenarios.

Affected Systems and Versions

The C300 product by Honeywell is impacted by this vulnerability across various versions. Systems running versions up to 520.2TCU2 are susceptible to the stack overflow exploit.

Exploitation Mechanism

The vulnerability can be exploited through malicious messages sent from the server, triggering a stack overflow in the controllers during the decoding process. Attackers can potentially craft messages to exploit this weakness and disrupt system operations.

Mitigation and Prevention

To address CVE-2023-24480, organizations should implement immediate steps to mitigate the risk, adopt long-term security practices, and apply necessary patches and updates to affected systems.

Immediate Steps to Take

Immediately review and assess the systems running the affected versions outlined in the CVE details. Organizations should prioritize identifying and isolating vulnerable systems to prevent exploitation and minimize the impact of the vulnerability.

Long-Term Security Practices

Implement robust security measures such as network segmentation, access controls, and regular security assessments to strengthen the overall security posture and prevent similar vulnerabilities from being exploited in the future.

Patching and Updates

Honeywell may provide patches or updates to address CVE-2023-24480. It is crucial for organizations to promptly apply these patches to affected systems to remediate the vulnerability and enhance the security of their infrastructure.