ICSA-18-226-02
Vulnerability from csaf_cisa
Published
2018-08-14 00:00
Modified
2019-04-09 00:00
Summary
Siemens OpenSSL Vulnerability in Industrial Products (Update E)
Notes
CISA Disclaimer
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
Legal Notice
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/.
Risk evaluation
Successful exploitation of this vulnerability could result in unencrypted data being transmitted by the SSL/TLS record layer.
Critical infrastructure sectors
Chemical, Critical Manufacturing, Energy, Food and Agriculture, Water and Wastewater Systems
Countries/areas deployed
Worldwide
Company headquarters location
Germany
Recommended Practices
NCCIC recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should:
Recommended Practices
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.
Recommended Practices
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.
Additional Resources
For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories
Exploitability
No known public exploits specifically target this vulnerability. High skill level is needed to exploit.
{ "document": { "acknowledgments": [ { "organization": "Siemens", "summary": "reporting this vulnerability to NCCIC" } ], "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 result in unencrypted data being transmitted by the SSL/TLS record layer.", "title": "Risk evaluation" }, { "category": "other", "text": "Chemical, Critical Manufacturing, Energy, Food and Agriculture, Water and Wastewater Systems", "title": "Critical infrastructure sectors" }, { "category": "other", "text": "Worldwide", "title": "Countries/areas deployed" }, { "category": "other", "text": "Germany", "title": "Company headquarters location" }, { "category": "general", "text": "NCCIC recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should:", "title": "Recommended Practices" }, { "category": "general", "text": "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.", "title": "Recommended Practices" }, { "category": "general", "text": "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.", "title": "Recommended Practices" }, { "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": "Additional Resources" }, { "category": "other", "text": "No known public exploits specifically target this vulnerability. High skill level is needed to exploit.", "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": "external", "summary": "SSA-179516 OpenSSL Vulnerability in Industrial Products - CSAF Version", "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-179516.json" }, { "category": "self", "summary": "ICS Advisory ICSA-18-226-02 JSON", "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2018/icsa-18-226-02.json" }, { "category": "self", "summary": "ICS Advisory ICSA-18-226-02 Web Version", "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-18-226-02" }, { "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" }, { "category": "external", "summary": "SSA-179516 OpenSSL Vulnerability in Industrial Products - PDF Version", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-179516.pdf" }, { "category": "external", "summary": "SSA-179516 OpenSSL Vulnerability in Industrial Products - TXT Version", "url": "https://cert-portal.siemens.com/productcert/txt/ssa-179516.txt" } ], "title": "Siemens OpenSSL Vulnerability in Industrial Products (Update E)", "tracking": { "current_release_date": "2019-04-09T00:00:00.000000Z", "generator": { "engine": { "name": "CISA CSAF Generator", "version": "1.0.0" } }, "id": "ICSA-18-226-02", "initial_release_date": "2018-08-14T00:00:00.000000Z", "revision_history": [ { "date": "2018-08-14T00:00:00.000000Z", "legacy_version": "Initial", "number": "1", "summary": "ICSA-18-226-02 Siemens OpenSSL Vulnerability in Industrial Products" }, { "date": "2018-09-11T00:00:00.000000Z", "legacy_version": "A", "number": "2", "summary": "ICSA-18-226-02 Siemens OpenSSL Vulnerability in Industrial Products (Update A)" }, { "date": "2018-10-09T00:00:00.000000Z", "legacy_version": "B", "number": "3", "summary": "ICSA-18-226-02 Siemens OpenSSL Vulnerability in Industrial Products (Update B)" }, { "date": "2018-11-13T00:00:00.000000Z", "legacy_version": "C", "number": "4", "summary": "ICSA-18-226-02 Siemens OpenSSL Vulnerability in Industrial Products (Update C)" }, { "date": "2019-02-12T00:00:00.000000Z", "legacy_version": "D", "number": "5", "summary": "ICSA-18-226-02 Siemens OpenSSL Vulnerability in Industrial Products (Update D)" }, { "date": "2019-04-09T00:00:00.000000Z", "legacy_version": "E", "number": "6", "summary": "ICSA-18-226-02 Siemens OpenSSL Vulnerability in Industrial Products (Update E)" } ], "status": "final", "version": "6" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "\u003c V03.01", "product": { "name": "MindConnect IoT2040", "product_id": "CSAFPID-0001" } } ], "category": "product_name", "name": "MindConnect IoT2040" }, { "branches": [ { "category": "product_version_range", "name": "\u003c V03.01", "product": { "name": "MindConnect Nano (IPC227D)", "product_id": "CSAFPID-0002" } } ], "category": "product_name", "name": "MindConnect Nano (IPC227D)" }, { "branches": [ { "category": "product_version_range", "name": "\u003e= V2.0 \u003c V2.1.6", "product": { "name": "SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants)", "product_id": "CSAFPID-0003" } } ], "category": "product_name", "name": "SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants)" }, { "branches": [ { "category": "product_version_range", "name": "\u003c V15.1", "product": { "name": "SIMATIC HMI WinCC Flexible", "product_id": "CSAFPID-0004" } } ], "category": "product_name", "name": "SIMATIC HMI WinCC Flexible" }, { "branches": [ { "category": "product_version_range", "name": "\u003c V2.1.1.0", "product": { "name": "SIMATIC IPC DiagBase", "product_id": "CSAFPID-0005" } } ], "category": "product_name", "name": "SIMATIC IPC DiagBase" }, { "branches": [ { "category": "product_version_range", "name": "\u003c V5.0.3", "product": { "name": "SIMATIC IPC DiagMonitor", "product_id": "CSAFPID-0006" } } ], "category": "product_name", "name": "SIMATIC IPC DiagMonitor" }, { "branches": [ { "category": "product_version_range", "name": "\u003c V4.2.3", "product": { "name": "SIMATIC S7-1200 CPU family (incl. SIPLUS variants)", "product_id": "CSAFPID-0007" } } ], "category": "product_name", "name": "SIMATIC S7-1200 CPU family (incl. SIPLUS variants)" }, { "branches": [ { "category": "product_version_range", "name": "\u003c V2.5.2", "product": { "name": "SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants)", "product_id": "CSAFPID-0008" } } ], "category": "product_name", "name": "SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants)" }, { "branches": [ { "category": "product_version_range", "name": "\u003e= V2.0 and \u003c V2.6", "product": { "name": "SIMATIC S7-1500 Software Controller", "product_id": "CSAFPID-0009" } } ], "category": "product_name", "name": "SIMATIC S7-1500 Software Controller" }, { "branches": [ { "category": "product_version_range", "name": "\u003c V13 SP2 Update 2", "product": { "name": "SIMATIC STEP 7 (TIA Portal) V13", "product_id": "CSAFPID-00010" } } ], "category": "product_name", "name": "SIMATIC STEP 7 (TIA Portal) V13" }, { "branches": [ { "category": "product_version_range", "name": "\u003c V14 SP1 Update 6", "product": { "name": "SIMATIC STEP 7 (TIA Portal) V14", "product_id": "CSAFPID-00011" } } ], "category": "product_name", "name": "SIMATIC STEP 7 (TIA Portal) V14" }, { "branches": [ { "category": "product_version_range", "name": "\u003c V15 Update 2", "product": { "name": "SIMATIC STEP 7 (TIA Portal) V15", "product_id": "CSAFPID-00012" } } ], "category": "product_name", "name": "SIMATIC STEP 7 (TIA Portal) V15" }, { "branches": [ { "category": "product_version_range", "name": "\u003c V13 SP2 Update 2", "product": { "name": "SIMATIC WinCC (TIA Portal) V13", "product_id": "CSAFPID-00013" } } ], "category": "product_name", "name": "SIMATIC WinCC (TIA Portal) V13" }, { "branches": [ { "category": "product_version_range", "name": "\u003c V14 SP1 Upd 6", "product": { "name": "SIMATIC WinCC (TIA Portal) V14", "product_id": "CSAFPID-00014" } } ], "category": "product_name", "name": "SIMATIC WinCC (TIA Portal) V14" }, { "branches": [ { "category": "product_version_range", "name": "\u003c V15 Update 2", "product": { "name": "SIMATIC WinCC (TIA Portal) V15", "product_id": "CSAFPID-00015" } } ], "category": "product_name", "name": "SIMATIC WinCC (TIA Portal) V15" }, { "branches": [ { "category": "product_version_range", "name": "\u003c V3.14 P021", "product": { "name": "SIMATIC WinCC OA V3.14", "product_id": "CSAFPID-00016" } } ], "category": "product_name", "name": "SIMATIC WinCC OA V3.14" }, { "branches": [ { "category": "product_version_range", "name": "\u003c V3.15 P014", "product": { "name": "SIMATIC WinCC OA V3.15", "product_id": "CSAFPID-00017" } } ], "category": "product_name", "name": "SIMATIC WinCC OA V3.15" }, { "branches": [ { "category": "product_version_range", "name": "\u003c V3.16 P002", "product": { "name": "SIMATIC WinCC OA V3.16", "product_id": "CSAFPID-00018" } } ], "category": "product_name", "name": "SIMATIC WinCC OA V3.16" }, { "branches": [ { "category": "product_version_range", "name": "\u003c V4.1.8", "product": { "name": "SINUMERIK Integrate Access MyMachine service engineer client as part of Sinumerik Integrate Product suite", "product_id": "CSAFPID-00019" } } ], "category": "product_name", "name": "SINUMERIK Integrate Access MyMachine service engineer client as part of Sinumerik Integrate Product suite" }, { "branches": [ { "category": "product_version_range", "name": "\u003c= 2.0.11 / 3.0.11", "product": { "name": "SINUMERIK Integrate Operate Client as part of Sinumerik Integrate Product suite", "product_id": "CSAFPID-00020" } } ], "category": "product_name", "name": "SINUMERIK Integrate Operate Client as part of Sinumerik Integrate Product suite" } ], "category": "vendor", "name": "Siemens" } ] }, "vulnerabilities": [ { "cve": "CVE-2017-3737", "cwe": { "id": "CWE-319", "name": "Cleartext Transmission of Sensitive Information" }, "notes": [ { "category": "summary", "text": "In OpenSSL 1.0.2 an \"error state\" mechanism was introduced. This \"error state\" mechanism does not work correctly if SSL_read() or SSL_write() is called directly by an application. This could result in data being sent out unencrypted by the SSL/TLS record layer.\r\n\r\nSuccessful exploitation requires an attacker to cause a fatal error in the victim\u0027s SSL/TLS handshake algorithm, and that the targeted application calls SSL_read() or SSL_write() after having already received a fatal error. No user interaction or privileges are required to exploit this security vulnerability. The vulnerability could allow to compromise confidentiality of data by transmitting it unencrypted over the network.", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004", "CSAFPID-0005", "CSAFPID-0006", "CSAFPID-0007", "CSAFPID-0008", "CSAFPID-0009", "CSAFPID-00010", "CSAFPID-00011", "CSAFPID-00012", "CSAFPID-00013", "CSAFPID-00014", "CSAFPID-00015", "CSAFPID-00016", "CSAFPID-00017", "CSAFPID-00018", "CSAFPID-00019", "CSAFPID-00020" ] }, "references": [ { "category": "external", "summary": "web.nvd.nist.gov", "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-3737" }, { "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:H/I:N/A:N" } ], "remediations": [ { "category": "mitigation", "details": "Limit network access using appropriate mechanisms (e.g., firewalls)", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004", "CSAFPID-0005", "CSAFPID-0006", "CSAFPID-0007", "CSAFPID-0008", "CSAFPID-0009", "CSAFPID-00010", "CSAFPID-00011", "CSAFPID-00012", "CSAFPID-00013", "CSAFPID-00014", "CSAFPID-00015", "CSAFPID-00016", "CSAFPID-00017", "CSAFPID-00018", "CSAFPID-00019", "CSAFPID-00020" ] }, { "category": "mitigation", "details": "Disable web server within the device configuration if it is not used\nor limit access to the web server on a particular Ethernet/PROFINET\nport/interface if possible (setting is under General / Web server\naccess).", "product_ids": [ "CSAFPID-0007" ] }, { "category": "vendor_fix", "details": "Update to V3.14 P021 or later version", "product_ids": [ "CSAFPID-00016" ], "url": "https://www.winccoa.com/downloads/category/versions-patches.html" }, { "category": "vendor_fix", "details": "Update to V3.15 P014 or later version", "product_ids": [ "CSAFPID-00017" ], "url": "https://www.winccoa.com/downloads/category/versions-patches.html" }, { "category": "vendor_fix", "details": "Update to V3.16 P002 or later version", "product_ids": [ "CSAFPID-00018" ], "url": "https://www.winccoa.com/downloads/category/versions-patches.html" }, { "category": "vendor_fix", "details": "Update to V2.0.12 / 3.0.12, installing latest Sinumerik IntegrateProduct suite.", "product_ids": [ "CSAFPID-00020" ] }, { "category": "vendor_fix", "details": "Update to V4.1.8, installing latest Sinumerik Integrate Product suite.", "product_ids": [ "CSAFPID-00019" ] }, { "category": "vendor_fix", "details": "Update to V2.6 or later version", "product_ids": [ "CSAFPID-0009" ], "url": "https://support.industry.siemens.com/cs/us/en/view/109478528" }, { "category": "vendor_fix", "details": "Update to V03.01 or later version", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002" ] }, { "category": "vendor_fix", "details": "Update to V15.1 or later version", "product_ids": [ "CSAFPID-0004" ], "url": "https://support.industry.siemens.com/cs/us/en/view/109758794" }, { "category": "vendor_fix", "details": "Update to V2.1.1.0 or later version", "product_ids": [ "CSAFPID-0005" ], "url": "https://support.industry.siemens.com/cs/ww/en/view/109792891" }, { "category": "vendor_fix", "details": "Update to V5.0.3 or later version", "product_ids": [ "CSAFPID-0006" ], "url": "https://support.industry.siemens.com/cs/ww/en/view/109740915" }, { "category": "vendor_fix", "details": "Update to V13 SP2 Update 2 or later version", "product_ids": [ "CSAFPID-00010", "CSAFPID-00013" ], "url": "https://support.industry.siemens.com/cs/ww/en/view/109759753" }, { "category": "vendor_fix", "details": "Update to V14 SP1 Update 6 or later version", "product_ids": [ "CSAFPID-00011" ], "url": "https://support.industry.siemens.com/cs/ww/en/view/109747387" }, { "category": "vendor_fix", "details": "Update to V14 SP1 Upd 6 or later version", "product_ids": [ "CSAFPID-00014" ], "url": "https://support.industry.siemens.com/cs/ww/en/view/109747387" }, { "category": "vendor_fix", "details": "Update to V15 Update 2 or later version", "product_ids": [ "CSAFPID-00012", "CSAFPID-00015" ], "url": "https://support.industry.siemens.com/cs/ww/en/view/109755826" }, { "category": "vendor_fix", "details": "Update to V2.5.2 or later version", "product_ids": [ "CSAFPID-0008" ], "url": "https://support.industry.siemens.com/cs/ww/en/view/109478459" }, { "category": "vendor_fix", "details": "Update to V4.2.3 or later version", "product_ids": [ "CSAFPID-0007" ], "url": "https://support.industry.siemens.com/cs/us/en/view/109741461" }, { "category": "vendor_fix", "details": "Update to V2.1.6 or later version", "product_ids": [ "CSAFPID-0003" ], "url": "https://support.industry.siemens.com/cs/us/en/view/109759122" }, { "category": "mitigation", "details": "As a general security measure, Siemens strongly recommends to protect\nnetwork access to devices with appropriate mechanisms. In order to\noperate the devices in a protected IT environment, Siemens recommends\nto configure the environment according to Siemens\u0027 operational\nguidelines for Industrial Security (Download:\nhttps://www.siemens.com/cert/operational-guidelines-industrial-\nsecurity), and to follow the recommendations in the product manuals.\n\nAdditional information on Industrial Security by Siemens can be found\nat: https://www.siemens.com/industrialsecurity", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004", "CSAFPID-0005", "CSAFPID-0006", "CSAFPID-0007", "CSAFPID-0008", "CSAFPID-0009", "CSAFPID-00010", "CSAFPID-00011", "CSAFPID-00012", "CSAFPID-00013", "CSAFPID-00014", "CSAFPID-00015", "CSAFPID-00016", "CSAFPID-00017", "CSAFPID-00018", "CSAFPID-00019", "CSAFPID-00020" ] } ], "scores": [ { "cvss_v3": { "baseScore": 5.9, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C", "version": "3.1" }, "products": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003", "CSAFPID-0004", "CSAFPID-0005", "CSAFPID-0006", "CSAFPID-0007", "CSAFPID-0008", "CSAFPID-0009", "CSAFPID-00010", "CSAFPID-00011", "CSAFPID-00012", "CSAFPID-00013", "CSAFPID-00014", "CSAFPID-00015", "CSAFPID-00016", "CSAFPID-00017", "CSAFPID-00018", "CSAFPID-00019", "CSAFPID-00020" ] } ], "title": "CVE-2017-3737" } ] }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.