CVE-2018-7823 : Security Advisory and Response

SoMachine Basic and Modicon M221 have a vulnerability related to the environment that could lead to remote execution if a crafted ethernet message is sent.

Understanding CVE-2018-7823

SoMachine Basic and Modicon M221 are affected by a vulnerability that allows for remote execution of SoMachine Basic under specific conditions.

What is CVE-2018-7823?

This CVE involves a CWE-2 vulnerability in SoMachine Basic and Modicon M221, affecting all versions prior to firmware V1.10.0.0. It can result in the remote launch of SoMachine Basic by sending a specially crafted ethernet message.

The Impact of CVE-2018-7823

The vulnerability poses a risk of remote execution of SoMachine Basic, potentially leading to unauthorized access and control of affected systems.

Technical Details of CVE-2018-7823

SoMachine Basic and Modicon M221 are susceptible to exploitation due to the following details:

Vulnerability Description

The vulnerability (CWE-2) in SoMachine Basic and Modicon M221 allows for remote execution of SoMachine Basic through a specifically crafted ethernet message.

Affected Systems and Versions

SoMachine Basic and Modicon M221, all versions, all references, prior to firmware V1.10.0.0

Exploitation Mechanism

The vulnerability can be exploited by sending a specially crafted ethernet message to the affected systems, triggering the remote execution of SoMachine Basic.

Mitigation and Prevention

To address CVE-2018-7823, consider the following steps:

Immediate Steps to Take

Apply the necessary firmware update to version V1.10.0.0 or later to mitigate the vulnerability.
Implement network segmentation to limit exposure to potential attacks.

Long-Term Security Practices

Regularly monitor and update all software and firmware to ensure the latest security patches are in place.
Conduct security assessments and penetration testing to identify and address any vulnerabilities proactively.

Patching and Updates

Stay informed about security advisories and updates from the vendor to promptly apply patches and fixes to mitigate known vulnerabilities.