ICSA-17-332-01
Vulnerability from csaf_cisa
Published
2017-11-28 00:00
Modified
2020-10-13 00:00
Summary
Siemens SCALANCE W1750D, M800, S615, and RUGGEDCOM RM1224 (Update C)
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 these vulnerabilities could allow a remote attacker to crash the DNS service or execute arbitrary code by crafting malicious DNS responses.
Critical infrastructure sectors
Chemical, Energy, Food and Agriculture, Healthcare and Public Health, Transportation Systems, and Water and Wastewater Systems
Countries/areas deployed
Worldwide
Company headquarters location
Germany
Recommended Practices
CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should:
Recommended Practices
CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
CISA also provides a section for control systems security recommended practices on the ICS webpage onus-cert.gov. 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 webpage on us-cert.gov 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 CISA 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
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 these vulnerabilities.
{ "document": { "acknowledgments": [ { "organization": "Siemens Product CERT", "summary": "reporting these vulnerabilities to CISA" } ], "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 these vulnerabilities could allow a remote attacker to crash the DNS service or execute arbitrary code by crafting malicious DNS responses.", "title": "Risk evaluation" }, { "category": "other", "text": "Chemical, Energy, Food and Agriculture, Healthcare and Public Health, Transportation Systems, and 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": "CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. 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 onus-cert.gov. 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 on us-cert.gov 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": "general", "text": "For further inquiries on security vulnerabilities in Siemens products and \nsolutions, please contact the Siemens ProductCERT:\n\nhttps://www.siemens.com/cert/advisories", "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": "Additional Resources" }, { "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-17-332-01 JSON", "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2017/icsa-17-332-01.json" }, { "category": "self", "summary": "ICS Advisory ICSA-17-332-01 Web Version", "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-17-332-01" }, { "category": "external", "summary": "Recommended Practices", "url": "https://www.us-cert.gov/ics/alerts/ICS-ALERT-10-301-01" }, { "category": "external", "summary": "Recommended Practices", "url": "https://www.us-cert.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf" }, { "category": "external", "summary": "Recommended Practices", "url": "https://www.us-cert.gov/ics/tips/ICS-TIP-12-146-01B" }, { "category": "external", "summary": "SSA-496604: SSA-689071: DNSMasq Vulnerabilities in SCALANCE W1750D, SCALANCE M-800 / S615 and RUGGEDCOM RM1224 - TXT Version", "url": "https://cert-portal.siemens.com/productcert/txt/SSA-689071.txt" } ], "title": "Siemens SCALANCE W1750D, M800, S615, and RUGGEDCOM RM1224 (Update C)", "tracking": { "current_release_date": "2020-10-13T00:00:00.000000Z", "generator": { "engine": { "name": "CISA CSAF Generator", "version": "1.0.0" } }, "id": "ICSA-17-332-01", "initial_release_date": "2017-11-28T00:00:00.000000Z", "revision_history": [ { "date": "2017-11-28T00:00:00.000000Z", "legacy_version": "Initial", "number": "1", "summary": "ICSA-17-332-01 Siemens SCALANCE W1750D, M800, and S615" }, { "date": "2018-04-05T00:00:00.000000Z", "legacy_version": "A", "number": "2", "summary": "ICSA-17-332-01 Siemens SIMATIC SCALANCE W1750D, M800, and S615 (Update A)" }, { "date": "2018-05-10T00:00:00.000000Z", "legacy_version": "B", "number": "3", "summary": "ICSA-17-332-01 Siemens SCALANCE W1750D, M800, and S615 (Update B)" }, { "date": "2020-10-13T00:00:00.000000Z", "legacy_version": "C", "number": "4", "summary": "ICSA-17-332-01 Siemens SCALANCE W1750D, M800, S615, and RUGGEDCOM RM1224 (Update C)" } ], "status": "final", "version": "4" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "All versions \u003c V5.0", "product": { "name": "RUGGEDCOM RM1224: All versions \u003c V5.0", "product_id": "CSAFPID-0001" } } ], "category": "product_name", "name": "RUGGEDCOM RM1224" }, { "branches": [ { "category": "product_version_range", "name": "All versions \u003c V5.0", "product": { "name": "SCALANCE M-800 / S615: All versions \u003c V5.0", "product_id": "CSAFPID-0002" } } ], "category": "product_name", "name": "SCALANCE M-800 / S615" }, { "branches": [ { "category": "product_version_range", "name": "All versions \u003c V6.5.1.5", "product": { "name": "SCALANCE W1750D: All versions \u003c V6.5.1.5", "product_id": "CSAFPID-0003" } } ], "category": "product_name", "name": "SCALANCE W1750D" } ], "category": "vendor", "name": "Siemens" } ] }, "vulnerabilities": [ { "cve": "CVE-2017-13704", "cwe": { "id": "CWE-400", "name": "Uncontrolled Resource Consumption" }, "notes": [ { "category": "summary", "text": "An attacker could cause a crash of the DNSmasq process by sending specially crafted request messages to the service on port 53/udp.", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] }, "references": [ { "category": "external", "summary": "https://support.industry.siemens.com/cs/ww/en/view/109778052", "url": "https://support.industry.siemens.com/cs/ww/en/view/109778052" }, { "category": "external", "summary": "web.nvd.nist.gov", "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-13704" }, { "category": "external", "summary": "web.nvd.nist.gov", "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-14495" }, { "category": "external", "summary": "web.nvd.nist.gov", "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-14496" }, { "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:N/I:N/A:L" } ], "remediations": [ { "category": "vendor_fix", "details": "SCALANCE M-800 / S615 and RUGGEDCOM RM1224: Disable DNS proxy in the\ndevice configuration (System - DNS - DNS Proxy - Disable Checkbox\n\u201eEnable DNS Proxy\"), and configure the connected devices in the internal\nnetwork to use a different DNS server", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] }, { "category": "vendor_fix", "details": "SCALANCE W1750D: If \"OpenDNS\", \"Captive Portal\" or \"URL redirection\"\nfunctionality is not used, deploy firewall rules in the device\nconfiguration to block incoming access to port 53/UDP", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] }, { "category": "vendor_fix", "details": "Update to V5.0 or later version - Download: https://support.industry.siemens.com/cs/ww/en/view/109757544 ", "product_ids": [ "CSAFPID-0001" ], "url": "https://support.industry.siemens.com/cs/ww/en/view/109757544" }, { "category": "vendor_fix", "details": "Update to V5.0 or later version - Download: https://support.industry.siemens.com/cs/ww/en/view/109757544 ", "product_ids": [ "CSAFPID-0002" ], "url": "https://support.industry.siemens.com/cs/ww/en/view/109757544" }, { "category": "vendor_fix", "details": "Update to V6.5.1.5 or later version - Download: https://support.industry.siemens.com/cs/ww/en/view/109778052 ", "product_ids": [ "CSAFPID-0003" ], "url": "https://support.industry.siemens.com/cs/ww/en/view/109778052" }, { "category": "mitigation", "details": "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\u0027 operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] } ], "scores": [ { "cvss_v3": { "baseScore": 5.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C", "version": "3.1" }, "products": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] } ] }, { "cve": "CVE-2017-14491", "cwe": { "id": "CWE-119", "name": "Improper Restriction of Operations within the Bounds of a Memory Buffer" }, "notes": [ { "category": "summary", "text": "An attacker could cause a crash or potentially execute arbitrary code by sending specially crafted DNS responses to the DNSmasq process. In order to exploit this vulnerability, an attacker must be able to trigger DNS requests from the device, and must be in a privileged position to inject malicious DNS responses.", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] }, "references": [ { "category": "external", "summary": "https://support.industry.siemens.com/cs/ww/en/view/109778052", "url": "https://support.industry.siemens.com/cs/ww/en/view/109778052" } ], "remediations": [ { "category": "vendor_fix", "details": "SCALANCE M-800 / S615 and RUGGEDCOM RM1224: Disable DNS proxy in the\ndevice configuration (System - DNS - DNS Proxy - Disable Checkbox\n\u201eEnable DNS Proxy\"), and configure the connected devices in the internal\nnetwork to use a different DNS server", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] }, { "category": "vendor_fix", "details": "SCALANCE W1750D: If \"OpenDNS\", \"Captive Portal\" or \"URL redirection\"\nfunctionality is not used, deploy firewall rules in the device\nconfiguration to block incoming access to port 53/UDP", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] }, { "category": "vendor_fix", "details": "Update to V5.0 or later version - Download: https://support.industry.siemens.com/cs/ww/en/view/109757544 ", "product_ids": [ "CSAFPID-0001" ], "url": "https://support.industry.siemens.com/cs/ww/en/view/109757544" }, { "category": "vendor_fix", "details": "Update to V5.0 or later version - Download: https://support.industry.siemens.com/cs/ww/en/view/109757544 ", "product_ids": [ "CSAFPID-0002" ], "url": "https://support.industry.siemens.com/cs/ww/en/view/109757544" }, { "category": "vendor_fix", "details": "Update to V6.5.1.5 or later version - Download: https://support.industry.siemens.com/cs/ww/en/view/109778052 ", "product_ids": [ "CSAFPID-0003" ], "url": "https://support.industry.siemens.com/cs/ww/en/view/109778052" }, { "category": "mitigation", "details": "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\u0027 operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] } ], "scores": [ { "cvss_v3": { "baseScore": 8.1, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C", "version": "3.1" }, "products": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] } ] }, { "cve": "CVE-2017-14495", "cwe": { "id": "CWE-400", "name": "Uncontrolled Resource Consumption" }, "notes": [ { "category": "summary", "text": "An attacker could cause a crash of the DNSmasq process by sending specially crafted request messages to the service on port 53/udp.", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] }, "references": [ { "category": "external", "summary": "https://support.industry.siemens.com/cs/ww/en/view/109778052", "url": "https://support.industry.siemens.com/cs/ww/en/view/109778052" }, { "category": "external", "summary": "web.nvd.nist.gov", "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-14491" }, { "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:H/A:H" } ], "remediations": [ { "category": "vendor_fix", "details": "SCALANCE M-800 / S615 and RUGGEDCOM RM1224: Disable DNS proxy in the\ndevice configuration (System - DNS - DNS Proxy - Disable Checkbox\n\u201eEnable DNS Proxy\"), and configure the connected devices in the internal\nnetwork to use a different DNS server", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] }, { "category": "vendor_fix", "details": "SCALANCE W1750D: If \"OpenDNS\", \"Captive Portal\" or \"URL redirection\"\nfunctionality is not used, deploy firewall rules in the device\nconfiguration to block incoming access to port 53/UDP", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] }, { "category": "vendor_fix", "details": "Update to V5.0 or later version - Download: https://support.industry.siemens.com/cs/ww/en/view/109757544 ", "product_ids": [ "CSAFPID-0001" ], "url": "https://support.industry.siemens.com/cs/ww/en/view/109757544" }, { "category": "vendor_fix", "details": "Update to V5.0 or later version - Download: https://support.industry.siemens.com/cs/ww/en/view/109757544 ", "product_ids": [ "CSAFPID-0002" ], "url": "https://support.industry.siemens.com/cs/ww/en/view/109757544" }, { "category": "vendor_fix", "details": "Update to V6.5.1.5 or later version - Download: https://support.industry.siemens.com/cs/ww/en/view/109778052 ", "product_ids": [ "CSAFPID-0003" ], "url": "https://support.industry.siemens.com/cs/ww/en/view/109778052" }, { "category": "mitigation", "details": "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\u0027 operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] } ], "scores": [ { "cvss_v3": { "baseScore": 5.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C", "version": "3.1" }, "products": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] } ] }, { "cve": "CVE-2017-14496", "cwe": { "id": "CWE-400", "name": "Uncontrolled Resource Consumption" }, "notes": [ { "category": "summary", "text": "An attacker could cause a crash of the DNSmasq process by sending specially crafted request messages to the service on port 53/udp.", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] }, "references": [ { "category": "external", "summary": "https://support.industry.siemens.com/cs/ww/en/view/109778052", "url": "https://support.industry.siemens.com/cs/ww/en/view/109778052" } ], "remediations": [ { "category": "vendor_fix", "details": "SCALANCE M-800 / S615 and RUGGEDCOM RM1224: Disable DNS proxy in the\ndevice configuration (System - DNS - DNS Proxy - Disable Checkbox\n\u201eEnable DNS Proxy\"), and configure the connected devices in the internal\nnetwork to use a different DNS server", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] }, { "category": "vendor_fix", "details": "SCALANCE W1750D: If \"OpenDNS\", \"Captive Portal\" or \"URL redirection\"\nfunctionality is not used, deploy firewall rules in the device\nconfiguration to block incoming access to port 53/UDP", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] }, { "category": "vendor_fix", "details": "Update to V5.0 or later version - Download: https://support.industry.siemens.com/cs/ww/en/view/109757544 ", "product_ids": [ "CSAFPID-0001" ], "url": "https://support.industry.siemens.com/cs/ww/en/view/109757544" }, { "category": "vendor_fix", "details": "Update to V5.0 or later version - Download: https://support.industry.siemens.com/cs/ww/en/view/109757544 ", "product_ids": [ "CSAFPID-0002" ], "url": "https://support.industry.siemens.com/cs/ww/en/view/109757544" }, { "category": "vendor_fix", "details": "Update to V6.5.1.5 or later version - Download: https://support.industry.siemens.com/cs/ww/en/view/109778052 ", "product_ids": [ "CSAFPID-0003" ], "url": "https://support.industry.siemens.com/cs/ww/en/view/109778052" }, { "category": "mitigation", "details": "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\u0027 operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] } ], "scores": [ { "cvss_v3": { "baseScore": 5.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C", "version": "3.1" }, "products": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] } ] } ] }
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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.