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Breadcrumb
 1. Home
 2. News & Events
 3. Cybersecurity Advisories
 4. ICS Advisory

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ICS Advisory


DELTA ELECTRONICS DOPSOFT

Release Date
November 30, 2023
Alert Code
ICSA-23-334-01


View CSAF(link is external)


1. EXECUTIVE SUMMARY

 * CVSS v3 7.8
 * ATTENTION: Exploitable remotely/low attack complexity
 * Vendor: Delta Electronics
 * Equipment: DOPSoft
 * Vulnerability: Stack-Based Buffer Overflow


2. RISK EVALUATION

Successful exploitation of this vulnerability could lead to remote code
execution.


3. TECHNICAL DETAILS


3.1 AFFECTED PRODUCTS

The following versions of Delta Electronics products are affected:

 * DOPSoft: All versions


3.2 VULNERABILITY OVERVIEW

3.2.1 STACK-BASED BUFFER OVERFLOW CWE-121(link is external)

The affected product is vulnerable to a stack-based buffer overflow, which may
allow for arbitrary code execution if an attacker can lead a legitimate user to
execute a specially crafted file.

CVE-2023-5944 has been assigned to this vulnerability. A CVSS v3 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(link is external)).


3.3 BACKGROUND

 * CRITICAL INFRASTRUCTURE SECTORS: Energy
 * 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 has declared DOPSoft as end-of-life and recommends users to
use DIAScreen instead. This vulnerability does not exist on the newest version
of DIAScreen.

Users may download the DIAScreen v1.3.1 (or newer) on the DIAStudio download
center(link is external)

CISA recommends users take defensive measures to minimize the risk of
exploitation of this vulnerability. CISA reminds organizations to perform proper
impact analysis and risk assessment prior to deploying defensive measures.

CISA also provides a section for control systems security recommended
practices on the ICS webpage on cisa.gov/ics. Several CISA products detailing
cyber defense best practices are available for reading and download,
including Improving Industrial Control Systems Cybersecurity with
Defense-in-Depth Strategies.

CISA encourages organizations to implement recommended cybersecurity strategies
for proactive defense of ICS assets.

Additional mitigation guidance and recommended practices are publicly available
on the ICS webpage at cisa.gov/ics in the technical information
paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation
Strategies.

Organizations observing suspected malicious activity should follow established
internal procedures and report findings to CISA for tracking and correlation
against other incidents.

CISA also recommends users take the following measures to protect themselves
from social engineering attacks:

 * Do not click web links or open attachments in unsolicited email messages.
 * Refer to Recognizing and Avoiding Email Scams for more information on
   avoiding email scams.
 * Refer to Avoiding Social Engineering and Phishing Attacks for more
   information on social engineering attacks.

No known public exploitation specifically targeting this vulnerability has been
reported to CISA at this time.


5. UPDATE HISTORY

 * November 30, 2023: Initial Publication

This product is provided subject to this Notification and this Privacy &
Use policy.


VENDOR

Delta Electronics


PLEASE SHARE YOUR THOUGHTS

We recently updated our anonymous product survey; we’d welcome your feedback.


RELATED ADVISORIES

Nov 30, 2023
ICS Advisory | ICSA-23-334-02


YOKOGAWA STARDOM

Nov 30, 2023
ICS Advisory | ICSA-23-334-03


PTC KEPSERVEREX

Nov 30, 2023
ICS Advisory | ICSA-23-334-04


MITSUBISHI ELECTRIC FA ENGINEERING SOFTWARE PRODUCTS

Nov 28, 2023
ICS Advisory | ICSA-23-331-01


DELTA ELECTRONICS INFRASUITE DEVICE MASTER

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