icsa-20-224-04
Vulnerability from csaf_cisa
Published
2020-08-11 00:00
Modified
2020-08-11 00:00
Summary
Siemens SCALANCE, RUGGEDCOM
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 allow an attacker to gain unauthenticated access to a device and cause a buffer overflow to execute custom code.
Critical infrastructure sectors
Chemical, Energy, Food and Agriculture, Water and Wastewater Systems
Countries/areas deployed
Worldwide
Company headquarters location
Germany
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 this vulnerability.
{
"document": {
"acknowledgments": [
{
"organization": "Siemens",
"summary": "reporting this vulnerability 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 this vulnerability could allow an attacker to gain unauthenticated access to a device and cause a buffer overflow to execute custom code.",
"title": "Risk evaluation"
},
{
"category": "other",
"text": "Chemical, 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": "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 this vulnerability.",
"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-20-224-04 JSON",
"url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2020/icsa-20-224-04.json"
},
{
"category": "self",
"summary": "ICS Advisory ICSA-20-224-04 Web Version",
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-20-224-04"
},
{
"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-809841: Buffer Overflow Vulnerability in Third-Party Component pppd - TXT Version",
"url": "https://cert-portal.siemens.com/productcert/txt/SSA-809841.txt"
}
],
"title": "Siemens SCALANCE, RUGGEDCOM",
"tracking": {
"current_release_date": "2020-08-11T00:00:00.000000Z",
"generator": {
"engine": {
"name": "CISA CSAF Generator",
"version": "1.0.0"
}
},
"id": "ICSA-20-224-04",
"initial_release_date": "2020-08-11T00:00:00.000000Z",
"revision_history": [
{
"date": "2020-08-11T00:00:00.000000Z",
"legacy_version": "Initial",
"number": "1",
"summary": "ICSA-20-224-04 Siemens SCALANCE, RUGGEDCOM"
}
],
"status": "final",
"version": "1"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "All versions \u003c V6.3",
"product": {
"name": "RUGGEDCOM RM1224: All versions \u003c V6.3",
"product_id": "CSAFPID-0001"
}
}
],
"category": "product_name",
"name": "RUGGEDCOM RM1224"
},
{
"branches": [
{
"category": "product_version_range",
"name": "All versions \u003c V6.3",
"product": {
"name": "SCALANCE M-800 / S615: All versions \u003c V6.3",
"product_id": "CSAFPID-0002"
}
}
],
"category": "product_name",
"name": "SCALANCE M-800 / S615"
}
],
"category": "vendor",
"name": "Siemens"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2020-8597",
"cwe": {
"id": "CWE-120",
"name": "Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)"
},
"notes": [
{
"category": "summary",
"text": "The version of pppd shipped with this product has a vulnerability that may allow an unauthenticated remote attacker to cause a stack buffer overflow, which may allow arbitrary code execution on the target system.",
"title": "Summary"
}
],
"product_status": {
"known_affected": [
"CSAFPID-0001",
"CSAFPID-0002"
]
},
"references": [
{
"category": "external",
"summary": "https://support.industry.siemens.com/cs/ww/en/view/109781070",
"url": "https://support.industry.siemens.com/cs/ww/en/view/109781070"
},
{
"category": "external",
"summary": "web.nvd.nist.gov",
"url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-8597"
},
{
"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:H/I:H/A:H"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "Only use the PPP functionality of the affected devices in trusted\nenvironments. This functionality is not enabled by default but typically\nused in internet dial-in or Point-to-Point connection scenarios. At this\npoint the vulnerability could be exploited by a malicious peer.",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002"
]
},
{
"category": "vendor_fix",
"details": "Update to V6.3 - Download: https://support.industry.siemens.com/cs/ww/en/view/109781070 ",
"product_ids": [
"CSAFPID-0001"
],
"url": "https://support.industry.siemens.com/cs/ww/en/view/109781070"
},
{
"category": "vendor_fix",
"details": "Update to V6.3 - Download: https://support.industry.siemens.com/cs/ww/en/view/109781070 ",
"product_ids": [
"CSAFPID-0002"
],
"url": "https://support.industry.siemens.com/cs/ww/en/view/109781070"
},
{
"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"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/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"
]
}
]
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
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.