{ "document": { "title": "SSA-535640: Vulnerability in Industrial Products", "category": "Siemens Security Advisory", "csaf_version": "2.0", "publisher": { "name": "Siemens ProductCERT", "contact_details": "productcert@siemens.com", "category": "vendor", "namespace": "https://www.siemens.com" }, "distribution": { "text": "Disclosure is not limited.", "tlp": { "label": "WHITE" } }, "tracking": { "id": "SSA-535640", "status": "final", "version": "6", "revision_history": [ { "number": "1", "legacy_version": "1.0", "date": "2017-08-30T00:00:00Z", "summary": "Publication Date" }, { "number": "2", "legacy_version": "1.1", "date": "2017-10-02T00:00:00Z", "summary": "Clarified \"Affected Products\"" }, { "number": "3", "legacy_version": "1.2", "date": "2017-11-17T00:00:00Z", "summary": "Added fix for SIMATIC IT Production Suite" }, { "number": "4", "legacy_version": "1.3", "date": "2019-01-08T00:00:00Z", "summary": "Added fix for SIMATIC NET PC Software" }, { "number": "5", "legacy_version": "1.4", "date": "2020-08-11T00:00:00Z", "summary": "Updated information regarding SIMATIC NET PC Software" }, { "number": "6", "legacy_version": "1.5", "date": "2022-04-12T00:00:00Z", "summary": "Added solution for SIMATIC NET PC Software V14 and clarified affected versions; Clarified no remediation planned" } ], "initial_release_date": "2017-08-30T00:00:00Z", "current_release_date": "2022-04-12T00:00:00Z", "generator": { "engine": { "name": "Siemens ProductCERT CSAF Generator", "version": "1" } } }, "notes": [ { "title": "Summary", "category": "summary", "text": "Various industrial products use the Discovery Service of the OPC UA protocol stack by the OPC foundation https://github.com/OPCFoundation/UA-.NETStandard and could therefore be affected by the remote resource consumption attacks (CVE-2017-12069)." }, { "title": "General Recommendations", "category": "general", "text": "As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.\n\nAdditional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity" }, { "title": "Additional Resources", "category": "general", "text": "For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories" }, { "title": "Terms of Use", "category": "legal_disclaimer", "text": "Siemens Security Advisories are subject to the terms and conditions contained in Siemens' underlying license terms or other applicable agreements previously agreed to with Siemens (hereinafter \"License Terms\"). To the extent applicable to information, software or documentation made available in or through a Siemens Security Advisory, the Terms of Use of Siemens' Global Website (https://www.siemens.com/terms_of_use, hereinafter \"Terms of Use\"), in particular Sections 8-10 of the Terms of Use, shall apply additionally. In case of conflicts, the License Terms shall prevail over the Terms of Use." } ], "references": [ { "category": "self", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-535640.pdf", "summary": "SSA-535640: Vulnerability in Industrial Products - PDF Version" }, { "category": "self", "url": "https://cert-portal.siemens.com/productcert/txt/ssa-535640.txt", "summary": "SSA-535640: Vulnerability in Industrial Products - TXT Version" }, { "category": "self", "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-535640.json", "summary": "SSA-535640: Vulnerability in Industrial Products - CSAF Version" } ], "acknowledgments": [ { "names": [ "Sergey Temnikov" ], "organization": "Kaspersky Lab ICS CERT", "summary": "reporting the vulnerabilities" } ] }, "product_tree": { "branches": [ { "name": "Siemens", "category": "vendor", "branches": [ { "name": "SIMATIC IT Production Suite", "category": "product_name", "branches": [ { "name": "All Versions >= V6.5 and < V7.1", "category": "product_version_range", "product": { "product_id": "1", "name": "SIMATIC IT Production Suite" } } ] }, { "name": "SIMATIC NET PC Software V14", "category": "product_name", "branches": [ { "name": "< V14 SP1 Update 14", "category": "product_version_range", "product": { "product_id": "2", "name": "SIMATIC NET PC Software V14" } } ] }, { "name": "SIMATIC PCS 7", "category": "product_name", "branches": [ { "name": "Versions V8.0, V8.1", "category": "product_version_range", "product": { "product_id": "3", "name": "SIMATIC PCS 7" } } ] }, { "name": "SIMATIC WinCC", "category": "product_name", "branches": [ { "name": "All Versions < V7.2", "category": "product_version_range", "product": { "product_id": "4", "name": "SIMATIC WinCC" } } ] }, { "name": "SIMATIC WinCC Runtime Professional V13", "category": "product_name", "branches": [ { "name": "All Versions", "category": "product_version_range", "product": { "product_id": "5", "name": "SIMATIC WinCC Runtime Professional V13" } } ] }, { "name": "SIMATIC WinCC Runtime Professional V14", "category": "product_name", "branches": [ { "name": "All Versions < V14 SP1", "category": "product_version_range", "product": { "product_id": "6", "name": "SIMATIC WinCC Runtime Professional V14" } } ] } ] } ] }, "vulnerabilities": [ { "title": "CVE-2017-12069", "notes": [ { "title": "Summary", "category": "summary", "text": "By sending specially crafted packets to the OPC Discovery Server at port 4840/tcp, an attacker might cause the system to access various resources chosen by the attacker. To execute the attack, the attacker must have network access to the affected devices." } ], "cve": "CVE-2017-12069", "cwe": { "id": "CWE-611", "name": "Improper Restriction of XML External Entity Reference" }, "product_status": { "known_affected": [ "1", "2", "3", "4", "5", "6" ] }, "scores": [ { "cvss_v3": { "version": "3.1", "baseScore": 8.2, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H/E:P/RL:O/RC:C" }, "products": [ "1", "2", "3", "4", "5", "6" ] } ], "remediations": [ { "product_ids": [ "1" ], "category": "vendor_fix", "details": "Update to V7.1 or later version" }, { "product_ids": [ "2" ], "category": "vendor_fix", "details": "Update to V14 SP1 Update 14 or later version", "url": "https://support.industry.siemens.com/cs/ww/en/view/109807351/" }, { "product_ids": [ "3", "4", "5" ], "category": "no_fix_planned", "details": "Currently no fix is planned" }, { "product_ids": [ "6" ], "category": "vendor_fix", "details": "Update to V14 SP1 or later version", "url": "https://support.industry.siemens.com/cs/ww/en/view/109746276" }, { "product_ids": [ "1", "2", "3", "4", "5", "6" ], "category": "mitigation", "details": "Turn off the Discovery Service after commissioning or block it on the local firewall: https://support.industry.siemens.com/cs/ww/en/view/109749461" }, { "product_ids": [ "1", "2", "3", "4", "5", "6" ], "category": "mitigation", "details": "Use VPN for protecting network communication between cells" } ], "references": [ { "url": "https://support.industry.siemens.com/cs/ww/en/view/109807351/", "summary": "CVE-2017-12069 - SIMATIC NET PC Software V14" }, { "url": "https://support.industry.siemens.com/cs/ww/en/view/109746276", "summary": "CVE-2017-12069 - SIMATIC WinCC Runtime Professional V14" }, { "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2017-12069.json", "summary": "CVE-2017-12069 Mitre 5.0 json" } ] } ] }