CVE-2024-1941 in CNCSoft-B
Summary
by MITRE • 03/01/2024
Delta Electronics CNCSoft-B versions 1.0.0.4 and prior are vulnerable to a stack-based buffer overflow, which may allow an attacker to execute arbitrary code.
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Analysis
by VulDB Data Team • 04/18/2025
Delta Electronics CNCSoft-B versions 1.0.0.4 and prior contain a stack-based buffer overflow vulnerability that represents a critical security risk for industrial control systems. This vulnerability falls under the Common Weakness Enumeration category CWE-121, which specifically addresses stack-based buffer overflow conditions where insufficient bounds checking allows attackers to overwrite adjacent memory locations on the program stack. The flaw occurs when the software processes user-supplied input without proper validation, creating an opportunity for malicious actors to craft specially formatted data that exceeds the allocated buffer space. When this overflow occurs, it can overwrite return addresses, function pointers, and other critical stack data structures, potentially enabling arbitrary code execution with the privileges of the affected application.
The operational impact of this vulnerability extends beyond traditional information technology environments into industrial control systems where CNC software plays a crucial role in manufacturing processes. Attackers exploiting this vulnerability could gain unauthorized access to critical manufacturing equipment, potentially causing production disruptions, data corruption, or even physical damage to machinery. The attack surface is particularly concerning given that CNC software typically runs with elevated privileges to interact with hardware components and control processes. This vulnerability aligns with ATT&CK technique T1059.007 for command and scripting interpreter, as successful exploitation could enable attackers to execute malicious commands through the compromised CNC software environment.
Organizations utilizing Delta Electronics CNCSoft-B software must implement immediate mitigations to protect their industrial infrastructure. The primary recommendation involves updating to the latest available version of the software where the buffer overflow has been addressed through proper bounds checking and input validation mechanisms. System administrators should also consider network segmentation to limit access to CNC systems, implement strict input validation at network boundaries, and establish monitoring protocols to detect unusual activity patterns that might indicate exploitation attempts. Additionally, organizations should conduct comprehensive vulnerability assessments of their industrial control systems to identify other potential attack vectors and ensure proper security controls are in place to protect critical manufacturing processes. The vulnerability demonstrates the importance of secure coding practices in industrial software development and highlights the need for regular security updates in operational technology environments to maintain system integrity and prevent potential supply chain attacks.