CVE-2023-27917 : Vulnerability Insights and Analysis

This CVE record was published on April 11, 2023, by JPCERT. It involves an OS command injection vulnerability in CONPROSYS IoT Gateway products that allows a remote authenticated attacker to execute arbitrary OS commands with root privilege. The vulnerability affects specific versions of M2M Gateways, Controllers (Integrated Type), and Controllers (Configurable Type).

Understanding CVE-2023-27917

This section delves into the details of CVE-2023-27917, focusing on what it is and its impact.

What is CVE-2023-27917?

CVE-2023-27917 is an OS command injection vulnerability found in CONPROSYS IoT Gateway products. It enables a remote authenticated attacker with access to the Network Maintenance page to execute arbitrary OS commands with root privilege.

The Impact of CVE-2023-27917

The impact of this vulnerability is significant as it allows attackers to gain unauthorized access and control over the affected devices, potentially leading to data breaches, service disruptions, and other malicious activities.

Technical Details of CVE-2023-27917

In this section, we will explore the technical aspects of CVE-2023-27917, including the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability stems from inadequate input validation in the CONPROSYS IoT Gateway products, which could be exploited by attackers to inject and execute malicious OS commands.

Affected Systems and Versions

The following products and versions are affected by CVE-2023-27917:

M2M Gateway with firmware Ver.3.7.10 and earlier
M2M Controller Integrated Type with firmware Ver.3.7.6 and earlier
M2M Controller Configurable Type with firmware Ver.3.8.8 and earlier

Exploitation Mechanism

Attackers who can access the Network Maintenance page remotely can exploit the vulnerability to execute OS commands with root privilege on the affected devices, compromising their security.

Mitigation and Prevention

This section focuses on the steps to mitigate the risk posed by CVE-2023-27917 and prevent potential exploitation.

Immediate Steps to Take

Organizations should apply security patches provided by Contec CO.,LTD. to address the vulnerability in affected CONPROSYS IoT Gateway products.
Limit remote access to the Network Maintenance page to authorized users only to reduce the risk of exploitation.

Long-Term Security Practices

Implement secure coding practices, regular security assessments, and incident response procedures to enhance the overall security posture of IoT devices and networks.

Patching and Updates

Regularly monitor for firmware updates and security advisories from the vendor to maintain up-to-date protection against known vulnerabilities and exploits.