Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.2975 Advisory (ICSA-18-275-01) Delta Electronics ISPSoft 3 October 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Delta Electronics ISPSoft Publisher: ICS-CERT Operating System: Windows Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Denial of Service -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2018-14800 Original Bulletin: https://ics-cert.us-cert.gov/advisories/ICSA-18-275-01 - --------------------------BEGIN INCLUDED TEXT-------------------- Advisory (ICSA-18-275-01) Delta Electronics ISPSoft Original release date: October 02, 2018 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 5.3 o ATTENTION: Exploitable remotely/Low skill level to exploit o Vendor: Delta Electronics o Equipment: ISPSoft o Vulnerability: Stack-based Buffer Overflow 2. RISK EVALUATION Successful exploitation of this vulnerability could allow an attacker to execute code under the context of the application. 3. TECHNICAL DETAILS 3.1 AFFECTED PRODUCTS The following versions of ISPSoft, a PLC program development tool, are affected: o ISPSoft Version 3.0.5 and prior. 3.2 VULNERABILITY OVERVIEW 3.2.1 STACK-BASED BUFFER OVERFLOW CWE-121 By opening a crafted file, an attack can cause the application to read past the boundary allocated to a stack object, which could allow execution of code under the context of the application. CVE-2018-14800 has been assigned to this vulnerability. A CVSS v3 base score of 5.3 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:L /I:L/A:L). 3.3 BACKGROUND o CRITICAL INFRASTRUCTURE SECTOR: Critical Manufacturing o COUNTRIES/AREAS DEPLOYED: Worldwide o COMPANY HEADQUARTERS LOCATION: Taiwan 3.4 RESEARCHER Ariele Caltabiano (kimiya) working with Trend Micro's Zero Day Initiative reported this vulnerability to NCCIC. 4. MITIGATIONS Delta Electronics recommends affected users update to ISPSoft v3.0.6 or newer. The update can be downloaded from the following location: http://www.deltaww.com/services/DownloadCenter2.aspx?secID=8&pid=2&tid=0&CID=06 &itemID=060301&typeID=1&downloadID=DVP-SE%20Series,&title=DVP-SE%20Series& dataType=8;&check=1&hl=en-US NCCIC recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should: o Minimize network exposure for all control system devices and/or systems, and ensure that they are not accessible from the Internet. o Locate control system networks and remote devices behind firewalls, and isolate them from the business network. o When remote access is required, use secure methods, such as Virtual Private Networks (VPNs), recognizing that VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize that VPN is only as secure as the connected devices. NCCIC reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures. NCCIC also provides a section for control systems security recommended practices on the ICS-CERT web page. 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-CERT website 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 NCCIC for tracking and correlation against other incidents. No known public exploits specifically target this vulnerability. Contact Information For any questions related to this report, please contact the NCCIC at: Email: NCCICCUSTOMERSERVICE@hq.dhs.gov Toll Free: 1-888-282-0870 For industrial control systems cybersecurity information: http:// ics-cert.us-cert.gov or incident reporting: https://ics-cert.us-cert.gov/Report-Incident? The NCCIC continuously strives to improve its products and services. You can help by choosing one of the links below to provide feedback about this product. - --------------------------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. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. 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). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBW7Q4lmaOgq3Tt24GAQi2rg/7BoescdO6ccANHdfptLOe7s10OkbvRBLI ltvb+GcBVdBQS846kBt8pBHsDV4pJKkcmPKWWErY1iGVG+3v3MXxhlEihCwIivnX NfWd+8Z3R0VE2jkWUDedGiW0p2zrEYq0FG3ecLwyS72RE9jt17e7etXtX005TQh5 XhtDgO24vTgFLxSM3DjC2Z/1p6fkBGxAtSK3V5AXfGE5gU/ciCL3/VUtNPL3/Qz8 YeTwIq0MLlsbm2LJd3AxvISUq1EeWZFGTAilFxi4ZkLXwFGk5T40S2SVWfjYd9EP Xeyd/DR0czHoUC1n7RdbtwuuyCU9sOVBIey62f11mJbUphsgZqKVPt3RTgvy6f9d otKNCNsdUTiP8J9hhGO2Zb4+Q0+7ehhLO8k+Qj4tMWkTEjiehXsqRYGY9mXmxRj6 xDZUR84tJHgdqfK5/4bkjy6jzBCybxbNWFIl7q0y8XjunuXW+l099XNgS9agalWP 6nzvUtYGIBokwRkopGDShXv6KK8a3dg0VMEJaBZWpNot5CmEBZt3j3aNzU4zOLel OjHpkhC1eoyOXq24g7iHakO85CUhSI1DNC3ZkZ1LasD88bgFwZEsdx28VWgUzEta RVlSpKpLpLmLwhpnyosVnp+ewMb6Gw/C6d8EI03Zt8/zoru9GCxxVDB2lGWhWxkF AP2jdXjq0iA= =2To8 -----END PGP SIGNATURE-----