CVE-2023-5984 : Exploit Details and Defense Strategies

This CVE-2023-5984 relates to a vulnerability in Schneider Electric's products that could potentially lead to a compromise of the affected device's security.

Understanding CVE-2023-5984

This section will delve into the details of CVE-2023-5984, shedding light on what the vulnerability entails and its potential impact.

What is CVE-2023-5984?

CVE-2023-5984 is a CWE-494 Download of Code Without Integrity Check vulnerability present in Schneider Electric's ION8650 and ION8800 products. This flaw can be exploited by uploading modified firmware during a firmware update procedure initiated by an authorized admin user. The consequence of this action could grant full control over the device to malicious actors.

The Impact of CVE-2023-5984

The vulnerability poses a high severity risk with a CVSS base score of 7.2, categorized as a high severity issue. It has a low attack complexity but a high impact on availability, confidentiality, and integrity. With this vulnerability, an attacker with high privileges could potentially exploit the device without requiring any user interaction, resulting in a significant security compromise.

Technical Details of CVE-2023-5984

In this section, we will explore the specific technical aspects of the CVE-2023-5984 vulnerability.

Vulnerability Description

The CWE-494 Download of Code Without Integrity Check vulnerability allows for the unauthorized upload of modified firmware during a firmware update procedure, leading to potential device compromise.

Affected Systems and Versions

The vulnerability affects Schneider Electric's ION8650 and ION8800 products, with all versions being susceptible to this security flaw.

Exploitation Mechanism

Exploiting CVE-2023-5984 involves taking advantage of the firmware update process initiated by an authorized admin user to upload altered firmware, enabling an attacker to gain full control over the vulnerable device.

Mitigation and Prevention

To address CVE-2023-5984 and enhance the security posture of the affected systems, immediate steps, long-term security practices, and patching procedures should be implemented.

Immediate Steps to Take

Immediate actions should include implementing security measures such as restricting access to firmware updates, monitoring for unauthorized uploads, and reviewing admin user permissions.

Long-Term Security Practices

Long-term security practices should focus on regular security assessments, employee training on secure update procedures, and adherence to secure coding practices by manufacturers.

Patching and Updates

Schneider Electric should release a security patch addressing the CWE-494 vulnerability promptly. Users are advised to apply the patch as soon as it becomes available to mitigate the risk of exploitation associated with CVE-2023-5984.