{ "document": { "acknowledgments": [ { "organization": "Yokogawa", "summary": "reporting this vulnerability to JPCERT/CC" } ], "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Disclosure is not limited", "tlp": { "label": "WHITE", "url": "https://us-cert.cisa.gov/tlp/" } }, "lang": "en-US", "notes": [ { "category": "general", "text": "This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov", "title": "CISA Disclaimer" }, { "category": "legal_disclaimer", "text": "All information products included in https://us-cert.cisa.gov/ics 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 https://us-cert.cisa.gov/tlp/.", "title": "Legal Notice" }, { "category": "summary", "text": "Successful exploitation of this vulnerability could cause the functions provided by the WAC Router to stop.", "title": "Risk evaluation" }, { "category": "other", "text": "Critical Manufacturing, Energy, Food and Agriculture", "title": "Critical infrastructure sectors" }, { "category": "other", "text": "Worldwide", "title": "Countries/areas deployed" }, { "category": "other", "text": "Japan", "title": "Company headquarters location" }, { "category": "general", "text": "CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability these vulnerabilities. Specifically, users should:", "title": "Recommended Practices" }, { "category": "general", "text": "CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.\nCISA also provides a section for control systems security recommended practices on the ICS webpage at cisa.gov/ics. Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.", "title": "Recommended Practices" }, { "category": "general", "text": "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.\nOrganizations observing any suspected malicious activity should follow their established internal procedures and report their findings to CISA for tracking and correlation against other incidents.", "title": "Recommended Practices" }, { "category": "other", "text": "No known public exploits specifically target this vulnerability. This vulnerability has a high attack complexity.", "title": "Exploitability" } ], "publisher": { "category": "coordinator", "contact_details": "Email: CISAservicedesk@cisa.dhs.gov;\n Toll Free: 1-888-282-0870", "name": "CISA", "namespace": "https://www.cisa.gov/" }, "references": [ { "category": "self", "summary": "ICS Advisory ICSA-22-181-02 JSON", "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2022/icsa-22-181-02.json" }, { "category": "self", "summary": "ICS Advisory ICSA-22-181-02 Web Version", "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-22-181-02" }, { "category": "external", "summary": "Recommended Practices", "url": "https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01" }, { "category": "external", "summary": "Recommended Practices", "url": "https://www.cisa.gov/uscert/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf" }, { "category": "external", "summary": "Recommended Practices", "url": "https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B" } ], "title": "Yokogawa Wide Area Communication Router", "tracking": { "current_release_date": "2022-06-30T00:00:00.000000Z", "generator": { "engine": { "name": "CISA CSAF Generator", "version": "1.0.0" } }, "id": "ICSA-22-181-02", "initial_release_date": "2022-06-30T00:00:00.000000Z", "revision_history": [ { "date": "2022-06-30T00:00:00.000000Z", "legacy_version": "Initial", "number": "1", "summary": "Publication Date" } ], "status": "final", "version": "1" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "<= R12", "product": { "name": "Wide Area Communication Router (for AW810D) VI461: Vnet/IP firmware (F) R12 or earlier", "product_id": "CSAFPID-0001" } } ], "category": "product_name", "name": "Wide Area Communication Router (for AW810D) VI461" } ], "category": "vendor", "name": "Yokogawa" } ] }, "vulnerabilities": [ { "cve": "CVE-2022-32284", "cwe": { "id": "CWE-330", "name": "Use of Insufficiently Random Values" }, "notes": [ { "category": "summary", "text": "If a WAC Router is subjected to a denial-of-service attack with malformed packets, the functions provided by the WAC Router may stop.CVE-2022-32284 has been assigned to this vulnerability. A CVSS v3 base score of 5.9 has been calculated; the CVSS vector string is (AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H).", "title": "Vulnerability Summary" } ], "product_status": { "known_affected": [ "CSAFPID-0001" ] }, "references": [ { "category": "external", "summary": "web.nvd.nist.gov", "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-32284" }, { "category": "external", "summary": "www.first.org", "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H" } ], "remediations": [ { "category": "mitigation", "details": "Yokogawa recommends updating to R13 or later. Please contact Yokogawa sales or service staff to update Vnet/IP firmware. Vnet/IP firmware cannot be updated by the user, and update charges are borne by the user.", "product_ids": [ "CSAFPID-0001" ], "url": "https://tmi.yokogawa.com/us/contact/" }, { "category": "mitigation", "details": "Yokogawa recommends users establish and maintain a full security program, including patch updates, anti-virus, backup and recovery, zoning, hardening, whitelisting, firewalls, etc. Yokogawa can assist in setting up and running the security program continuously. For considering the most effective risk mitigation plan, as a starting point, Yokogawa can perform a security risk assessment.", "product_ids": [ "CSAFPID-0001" ] }, { "category": "mitigation", "details": "Please see Yokogawa's full report (YSAR-22-0005) for update details.", "product_ids": [ "CSAFPID-0001" ], "url": "https://web-material3.yokogawa.com/1/32825/files/YSAR-22-0005-E.pdf" } ], "scores": [ { "cvss_v3": { "baseScore": 5.9, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0" }, "products": [ "CSAFPID-0001" ] } ] } ] }