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AUSCERT External Security Bulletin Redistribution
ESB-2019.3104
Advisory (icsa-19-225-01) Delta Industrial Automation DOPSoft
14 August 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: Delta Industrial Automation DOPSoft
Publisher: ICS-CERT
Operating System: Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Access Confidential Data -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2019-13514 CVE-2019-13513
Original Bulletin:
https://www.us-cert.gov/ics/advisories/icsa-19-225-01
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ICS Advisory (ICSA-19-225-01)
Delta Industrial Automation DOPSoft
Original release date: August 13, 2019
Legal Notice
All information products included in http://ics-cert.us-cert.gov are
provided"as is" for informational purposes only. The Department of Homeland
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information contained within. DHS does not endorse any commercial product or
service, referenced in this product or otherwise. Further dissemination of this
product is governed by the Traffic Light Protocol (TLP) marking in the header.
For more information about TLP, see http://www.us-cert.gov/tlp/ .
1. EXECUTIVE SUMMARY
o CVSS v3 7.8
o ATTENTION: Exploitable remotely/low skill level to exploit
o Vendor: Delta Electronics
o Equipment: Delta Industrial Automation DOPSoft
o Vulnerabilities: Out-of-bounds read, Use after free
2. RISK EVALUATION
Successful exploitation of these vulnerabilities may allow information
disclosure, remote code execution, or crash of the application.
3. TECHNICAL DETAILS
3.1 AFFECTED PRODUCTS
The following versions of DOPSoft, a Human Machine Interface (HMI) editing
software, are affected:
o DOPSoft Version 4.00.06.15 and prior.
3.2 VULNERABILITY OVERVIEW
3.2.1 OUT-OF-BOUNDS READ CWE-125
Processing a specially crafted project file may trigger multiple out-of-bounds
read vulnerabilities, which may allow information disclosure, remote code
execution, or crash of the application.
CVE-2019-13513 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 ).
3.2.2 USE AFTER FREE CWE-416
Processing a specially crafted project file may trigger a use-after-free
vulnerability, which may allow information disclosure, remote code execution,
or crash of the application.
CVE-2019-13514 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 ).
3.3 BACKGROUND
o CRITICAL INFRASTRUCTURE SECTORS: Critical Manufacturing
o COUNTRIES/AREAS DEPLOYED: Worldwide
o COMPANY HEADQUARTERS LOCATION: Taiwan
3.4 RESEARCHER
kimiya of 9SG Security Team, working with Trend Micro's Zero Day (ZDI)
Initiative, reported these vulnerabilities to CISA.
4. MITIGATIONS
Delta Electronics recommends users apply the following mitigations:
o Update to the latest version of DOPSoft, Version 4.00.06.47
o Restrict interaction with the application to trusted files.
CISA recommends users take defensive measures to protect themselves from social
engineering attacks. Specifically, users should:
o Only use files from trusted sources on control systems equipment.
o Do not click web links or open unsolicited attachments in email messages.
o Refer to Recognizing and Avoiding Email Scams for more information on
avoiding email scams.
o Refer to Avoiding Social Engineering and Phishing Attacks for more
information on social engineering attacks.
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 us-cert.gov . Several recommended practices are available
for reading and download, including Improving Industrial Control Systems
Cybersecurity with Defense-in-Depth Strategies .
Additional mitigation guidance and recommended practices are publicly available
on the ICS webpage on us-cert.gov in the Technical Information Paper,
ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation
Strategies .
Organizations observing any suspected malicious activity should follow their
established internal procedures and report their findings to CISA for tracking
and correlation against other incidents.
No known public exploits specifically target these vulnerabilities.
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