CVE-2023-28392 : Vulnerability Insights and Analysis

This CVE record was published on May 23, 2023, by JPCERT. The vulnerability affects Wi-Fi AP UNIT devices from Inaba Denki Sangyo Co., Ltd., allowing authenticated users with administrative privileges to execute arbitrary OS commands.

Understanding CVE-2023-28392

This section will provide insights into the nature of the CVE-2023-28392 vulnerability and its impact on affected systems.

What is CVE-2023-28392?

CVE-2023-28392 pertains to a vulnerability in Wi-Fi AP UNIT devices that enables authenticated users with administrative privileges to run arbitrary OS commands. This can lead to unauthorized access, data breaches, and potentially complete compromise of the affected system.

The Impact of CVE-2023-28392

The impact of this vulnerability is significant as it allows threat actors to execute commands on the system with elevated privileges, posing a serious security risk to the integrity and confidentiality of data stored on the affected devices.

Technical Details of CVE-2023-28392

Delving into the technical specifics of CVE-2023-28392 will help in understanding the vulnerability further and how it can be exploited.

Vulnerability Description

The vulnerability in Wi-Fi AP UNIT devices stems from improper input validation, enabling authenticated users to inject and execute arbitrary OS commands, leading to system compromise and potential data exfiltration.

Affected Systems and Versions

Wi-Fi AP UNIT devices, specifically the AC-WAPU-300 and AC-WAPUM-300 models with versions v1.00_B07 and earlier, as well as the related "-P" variants with versions v1.00_B08P and earlier, are affected by this vulnerability.

Exploitation Mechanism

By leveraging the vulnerability, an authenticated user with administrative privileges can craft malicious commands that get executed by the system, potentially granting unauthorized access and control over the affected device.

Mitigation and Prevention

Mitigating the risks associated with CVE-2023-28392 involves taking immediate actions to secure the vulnerable systems and implementing long-term security practices to prevent similar vulnerabilities from being exploited in the future.

Immediate Steps to Take

Update the firmware of the affected Wi-Fi AP UNIT devices to versions that contain patches addressing the OS command injection vulnerability.
Restrict access to administrative privileges to only essential personnel to limit the impact of potential exploitation.

Long-Term Security Practices

Regularly monitor for security advisories and updates from the vendor to stay informed about potential vulnerabilities and patches.
Conduct security assessments and penetration testing to identify and remediate vulnerabilities in the network and system infrastructure proactively.

Patching and Updates

Deploy patches and updates provided by Inaba Denki Sangyo Co., Ltd. for the affected Wi-Fi AP UNIT devices to remediate the vulnerability and enhance the overall security posture of the network infrastructure.