CVE-2023-27389 : Exploit Details and Defense Strategies

This article provides detailed information about CVE-2023-27389, including its description, impact, technical details, affected systems, and mitigation strategies.

Understanding CVE-2023-27389

CVE-2023-27389 is an inadequate encryption strength vulnerability found in CONPROSYS IoT Gateway products. This vulnerability allows a remote authenticated attacker with administrative privileges to exploit a specially crafted Firmware update file. The consequences include altering information, triggering a denial-of-service (DoS) attack, and executing arbitrary code.

What is CVE-2023-27389?

The CVE-2023-27389 vulnerability affects the following products and versions:

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

The Impact of CVE-2023-27389

The impact of CVE-2023-27389 includes the potential for a remote authenticated attacker to compromise the affected CONPROSYS IoT Gateway products. This could lead to unauthorized access, manipulation of information, DoS attacks, and execution of arbitrary code, posing a significant risk to the confidentiality, integrity, and availability of the systems.

Technical Details of CVE-2023-27389

The following technical details are associated with CVE-2023-27389:

Vulnerability Description

The inadequate encryption strength vulnerability in CONPROSYS IoT Gateway products allows attackers to exploit firmware update files, compromising the system's security and enabling unauthorized actions.

Affected Systems and Versions

The affected products include M2M Gateway, M2M Controller Integrated Type, and M2M Controller Configurable Type with specific firmware versions as mentioned earlier.

Exploitation Mechanism

Attackers with administrative privileges can apply a specially crafted Firmware update file to exploit the inadequate encryption strength vulnerability, leading to unauthorized activities on the affected systems.

Mitigation and Prevention

To address CVE-2023-27389 and enhance security measures, organizations are advised to take the following steps:

Immediate Steps to Take

Update the affected CONPROSYS IoT Gateway products to the latest firmware versions provided by the vendor.
Implement stringent access controls and authentication mechanisms to prevent unauthorized access.
Monitor network traffic for any suspicious activities that could indicate exploitation attempts.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.
Educate system administrators and users about secure configuration practices and the potential risks associated with inadequate encryption strength.
Establish incident response procedures to mitigate the impact of security breaches promptly.

Patching and Updates

Regularly check for firmware updates and security advisories from Contec CO., LTD., and apply patches to address known vulnerabilities, including CVE-2023-27389. Keeping systems up to date with the latest security fixes is essential in preventing exploitation and maintaining a secure environment.