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1. EXECUTIVE SUMMARY CVSS v4 8.5 ATTENTION: Low attack complexity Vendor: Delta Electronics Equipment: CNCSoft-G2 DOPSoft Vulnerability: Stack-based Buffer Overflow 2. RISK EVALUATION
Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code.
3. TECHNICAL DETAILS 3.1 AFFECTED PRODUCTS
The following versions of Delta Electronics CNCSoft-G2, a Human-Machine Interface (HMI) software, are affected:
CNCSoft-G2: Versions 2.0.0.5 (with DOPSoft v5.0.0.93) and prior 3.2 Vulnerability Overview 3.2.1 STACK-BASED BUFFER OVERFLOW CWE-121
Delta Electronics CNCSoft-G2 lacks proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
CVE-2024-4192 has been assigned to this vulnerability. A CVSS v3.1 base score of 7.8 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H ).
A CVSS v4 score has also been calculated for CVE-2024-4192. A base score of 8.5 has been calculated; the CVSS vector string is (CVSS4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N).
3.3 BACKGROUND CRITICAL INFRASTRUCTURE SECTORS: Energy, Critical Manufacturing COUNTRIES/AREAS DEPLOYED: Worldwide COMPANY HEADQUARTERS LOCATION: Taiwan 3.4 RESEARCHER
Natnael Samson working with Trend Micro Zero Day Initiative reported this vulnerability to CISA.
4. MITIGATIONS
Delta Electronics recommends users update to CNCSoft-G2 v2.1.0.4 or later.
CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability,
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