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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2018.0339 Advisory (ICSA-18-032-01) 2 February 2018 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Fuji Electric V-Server VPR Publisher: ICS-CERT Operating System: Windows Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2018-5442 Original Bulletin: https://ics-cert.us-cert.gov/advisories/ICSA-18-032-01 - --------------------------BEGIN INCLUDED TEXT-------------------- 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/. CVSS v3 8.6 ATTENTION: Remotely exploitable/low skill level to exploit. Vendor: Fuji Electric Equipment: V-Server VPR Vulnerability: Stack-based Buffer Overflow AFFECTED PRODUCTS The following versions of V-Server VPR, a data collection and management service, are affected: V-Server VPR 4.0.1.0 and prior. IMPACT Successful exploitation of this vulnerability could allow a remote attacker to view sensitive information and disrupt the availability of the device. MITIGATION Fuji Electric has produced firmware 4.0.3.0 that can be obtained from: https://felib.fujielectric.co.jp/download/details.htm?dataid=26385302&site=global&lang=en NCCIC recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should: Minimize network exposure for all control system devices and/or systems, and ensure that they are not accessible from the Internet. Locate control system networks and remote devices behind firewalls, and isolate them from the business network. 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 in the NCCIC Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies, that is available for download from the ICS-CERT web site. 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. VULNERABILITY OVERVIEW STACK-BASED BUFFER OVERFLOW CWE-121 The stack-based buffer overflow vulnerability has been identified, which may allow remote code execution. CVE-2018-5442 has been assigned to this vulnerability. A CVSS v3 base score of 8.6 has been assigned; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L). RESEARCHER Ariele Caltabiano (kimiya) working with Trend Micro's Zero Day Initiative reported the vulnerability to NCCIC. BACKGROUND Critical Infrastructure Sector: Critical Manufacturing Countries/Areas Deployed: Worldwide Company Headquarters Location: Japan 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 iQIVAwUBWnPazIx+lLeg9Ub1AQjZ3hAAlm+RRTb3dAZPPYfE5nv29IxMNsKA6uwI Bi0Ex63MnIufOe5EAjjlRuq4hS0Fw218dbYNrcFLRzEG0JcREteSOiKNMu+WEXxR 9xCRHdl6D3S3iueQLHFiUtexxHQP6yLCp/EV4XB9u83npgrbYD0aLxLi7arAN0c3 uZbyM+tlMZz5F40SH3RquNxB7kfKxJKIeNH6j3WsFgzyA/tM1fMMAes3vrY9AvP/ IY5cB0CAogXBDfo3/dTvTQtev3NGk7SU+CUSawGQIHyLnCMGm9WnP02DWu9KT62F IWm4Jt2pERT3r6Pch7bMYi5m7jPKCAUNZ3rXxCKVDjbtLN6PjF9XZgOUPD2PGOtF GBmCOegefi4I/bskULDjZuOiXd7WLovC03pNpv/X+FbVzWc7D4h6kLYFAAgdq6+u 8eAdoEZabsOmEeDmKefhnbciKKuttGG2990MBuoAOi14u7ZUfD6daVKiHIRZTXNe l4kjcO41wI1zGa2K0fiaikjKl8BwIG4vwgYuwcd2euHp0b1xKgQoyq/7iEZap4Bv +1RfcBf1DAwEgdhnnTQHF/JTYfB3yZwSZR+CktJCrExjxd3uBADHZyk9rYvJlLmZ K2Ft2/GyaxGeIUfXOTAN/y90/pmviVMLx3RT8uW2Jzqf5/uxsQveLS3GR2mWqUg5 2Vbp6b0REzo= =0NwY -----END PGP SIGNATURE-----