{ "document": { "acknowledgments": [ { "names": [ "rgod" ], "organization": "Trend Micro 's Zero Day Initiative", "summary": "reporting these vulnerabilities to ICS-CERT" } ], "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": "ATTENTION: Remotely exploitable/low skill level to exploit.", "title": "Risk evaluation" }, { "category": "other", "text": "Critical Manufacturing, Energy, Water and Wastewater Systems", "title": "Critical infrastructure sectors" }, { "category": "other", "text": "East Asia, United States, Europe", "title": "Countries/areas deployed" }, { "category": "other", "text": "Taiwan", "title": "Company headquarters location" }, { "category": "general", "text": "NCCIC/ICS-CERT recommends that users take defensive measures to minimize the risk of exploitation of these vulnerabilities. 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.", "title": "Recommended Practices" }, { "category": "general", "text": "ICS-CERT reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.", "title": "Recommended Practices" }, { "category": "general", "text": "ICS-CERT 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.", "title": "Recommended Practices" }, { "category": "general", "text": "Additional mitigation guidance and recommended practices are publicly available in the ICS -CERT 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.", "title": "Recommended Practices" }, { "category": "general", "text": "Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to ICS-CERT for tracking and correlation against other incidents.", "title": "Recommended Practices" }, { "category": "other", "text": "No known public exploits specifically target these vulnerabilities.", "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-18-023-01 JSON", "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2018/icsa-18-023-01.json" }, { "category": "self", "summary": "ICS Advisory ICSA-18-023-01 Web Version", "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-18-023-01" } ], "title": "Advantech WebAccess/SCADA", "tracking": { "current_release_date": "2018-01-23T00:00:00.000000Z", "generator": { "engine": { "name": "CISA CSAF Generator", "version": "1.0.0" } }, "id": "ICSA-18-023-01", "initial_release_date": "2018-01-23T00:00:00.000000Z", "revision_history": [ { "date": "2018-01-23T00:00:00.000000Z", "legacy_version": "Initial", "number": "1", "summary": "ICSA-18-023-01 Advantech WebAccess/SCADA" } ], "status": "final", "version": "1" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "< 8.2_20170817", "product": { "name": "WebAccess/SCADA: versions prior to V8.2_20170817", "product_id": "CSAFPID-0001" } } ], "category": "product_name", "name": "WebAccess/SCADA" } ], "category": "vendor", "name": "Advantech" } ] }, "vulnerabilities": [ { "cve": "CVE-2018-5445", "cwe": { "id": "CWE-22", "name": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')" }, "notes": [ { "category": "summary", "text": "An attacker has read access to files within the directory structure of the target device. CVE-2018-5445 has been assigned to this vulnerability. A CVSS v3 base score of 5.3 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).", "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-2018-5445" }, { "category": "external", "summary": "www.first.org", "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N" } ], "remediations": [ { "category": "vendor_fix", "details": "Advantech has released a version 8.3.0 of WebAccess/SCADA to address the reported vulnerabilities. Users can download the latest version of WebAccess/SCADA (registration required)", "product_ids": [ "CSAFPID-0001" ], "url": "http://www.advantech.com/industrial-automation/webaccess/download" } ], "scores": [ { "cvss_v3": { "baseScore": 5.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.0" }, "products": [ "CSAFPID-0001" ] } ] }, { "cve": "CVE-2018-5443", "cwe": { "id": "CWE-89", "name": "Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')" }, "notes": [ { "category": "summary", "text": "WebAccess/SCADA does not properly sanitize its inputs for SQL commands. CVE-2018-5443 has been assigned to this vulnerability. A CVSS v3 base score of 5.3 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).", "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-2018-5443" }, { "category": "external", "summary": "www.first.org", "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N" } ], "remediations": [ { "category": "vendor_fix", "details": "Advantech has released a version 8.3.0 of WebAccess/SCADA to address the reported vulnerabilities. Users can download the latest version of WebAccess/SCADA (registration required)", "product_ids": [ "CSAFPID-0001" ], "url": "http://www.advantech.com/industrial-automation/webaccess/download" } ], "scores": [ { "cvss_v3": { "baseScore": 5.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.0" }, "products": [ "CSAFPID-0001" ] } ] } ] }