CVE-2023-0123 : Security Advisory and Response

This CVE-2023-0123 was published on February 2, 2023, with the reserved date of January 9, 2023, by the organization ICS-CERT. It affects the Delta Industrial Automation's DOPSoft software, specifically versions 4.00.16.22 and earlier. The vulnerability allows for a remote attacker to execute arbitrary code through a stack-based buffer overflow when a malicious file is introduced into the software.

Understanding CVE-2023-0123

This section delves into the details of the CVE-2023-0123 vulnerability, its impact, technical aspects, and mitigation strategies.

What is CVE-2023-0123?

CVE-2023-0123 is a stack-based buffer overflow vulnerability in Delta Electronics DOPSoft versions 4.00.16.22 and prior. Exploiting this vulnerability could enable an attacker to remotely execute arbitrary code by introducing a malformed file to the software.

The Impact of CVE-2023-0123

The vulnerability poses a high risk, with a CVSS v3.1 base score of 7.8, categorizing it as a high severity issue. It has a high impact on confidentiality, integrity, and availability of the affected systems. The attack complexity is low, and no special privileges are required for exploitation, making it a critical security concern.

Technical Details of CVE-2023-0123

This section delves into the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability in Delta Electronics DOPSoft allows for a stack-based buffer overflow, paving the way for remote attackers to execute arbitrary code through the introduction of a malicious file.

Affected Systems and Versions

Delta Electronics DOPSoft versions up to and including 4.00.16.22 are affected by this vulnerability, exposing systems that utilize these versions to potential exploitation.

Exploitation Mechanism

Attackers can exploit this vulnerability by introducing a specifically crafted file into the vulnerable DOPSoft software, triggering the stack-based buffer overflow and potentially executing malicious code remotely.

Mitigation and Prevention

Considering the severity of CVE-2023-0123, it is crucial to take immediate actions to mitigate the risk and ensure the security of affected systems.

Immediate Steps to Take

Users are advised to update to a secure version of the software. Delta Electronics has released version 1.3.0 of DIAScreen, recommending users to transition to this secure alternative instead of using the vulnerable DOPSoft software.

Long-Term Security Practices

Implementing robust security practices, including regular software updates, network segmentation, and access control measures, can help prevent vulnerabilities and enhance overall system security.

Patching and Updates

It is highly recommended to apply the patch provided by Delta Electronics by upgrading to version 1.3.0 of DIAScreen to address the CVE-2023-0123 vulnerability effectively and safeguard systems from potential attacks.