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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.3104 Advisory (icsa-19-225-01) Delta Industrial Automation DOPSoft 14 August 2019 =========================================================================== 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 - --------------------------BEGIN INCLUDED TEXT-------------------- 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 Security (DHS) does not provide any warranties of any kind regarding any 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. - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. 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If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). 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