ICSA-21-005-03
Vulnerability from csaf_cisa - Published: 2021-01-05 00:00 - Updated: 2021-01-05 00:00Summary
GE Reason RT43X Clocks
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 an authenticated remote attacker to execute arbitrary code on the system or intercept and decrypt encrypted traffic.
Critical infrastructure sectors
Communications, Critical Manufacturing, Energy, Healthcare and Public Health, Transportation Systems, Water and Wastewater Systems
Countries/areas deployed
Worldwide
Company headquarters location
United States
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.cisa.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.cisa.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.
Exploitability
No known public exploits specifically target these vulnerabilities.
{
"document": {
"acknowledgments": [
{
"names": [
"Tom Westenberg"
],
"organization": "Thales UK",
"summary": "reporting these vulnerabilities to GE"
}
],
"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 an authenticated remote attacker to execute arbitrary code on the system or intercept and decrypt encrypted traffic.",
"title": "Risk evaluation"
},
{
"category": "other",
"text": "Communications, Critical Manufacturing, Energy, Healthcare and Public Health, Transportation Systems, Water and Wastewater Systems",
"title": "Critical infrastructure sectors"
},
{
"category": "other",
"text": "Worldwide",
"title": "Countries/areas deployed"
},
{
"category": "other",
"text": "United States",
"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.cisa.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.cisa.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": "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-21-005-03 JSON",
"url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2021/icsa-21-005-03.json"
},
{
"category": "self",
"summary": "ICS Advisory ICSA-21-005-03 Web Version",
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-005-03"
},
{
"category": "external",
"summary": "Recommended Practices",
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-005-03"
},
{
"category": "external",
"summary": "Recommended Practices",
"url": "https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf"
},
{
"category": "external",
"summary": "Recommended Practices",
"url": "https://us-cert.cisa.gov/ics/tips/ICS-TIP-12-146-01B"
}
],
"title": "GE Reason RT43X Clocks",
"tracking": {
"current_release_date": "2021-01-05T00:00:00.000000Z",
"generator": {
"engine": {
"name": "CISA CSAF Generator",
"version": "1.0.0"
}
},
"id": "ICSA-21-005-03",
"initial_release_date": "2021-01-05T00:00:00.000000Z",
"revision_history": [
{
"date": "2021-01-05T00:00:00.000000Z",
"legacy_version": "Initial",
"number": "1",
"summary": "ICSA-21-005-03 GE Reason RT43X Clocks"
}
],
"status": "final",
"version": "1"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c 08A06",
"product": {
"name": "RT430 RT431 \u0026 RT434: all versions prior to Version 08A06",
"product_id": "CSAFPID-0001"
}
}
],
"category": "product_name",
"name": "RT430 RT431 \u0026 RT434"
}
],
"category": "vendor",
"name": "General Electric (GE)"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2020-25197",
"cwe": {
"id": "CWE-94",
"name": "Improper Control of Generation of Code (\u0027Code Injection\u0027)"
},
"notes": [
{
"category": "summary",
"text": "A code injection vulnerability exists in one of the webpages that could allow an authenticated remote attacker to execute arbitrary code on the system.CVE-2020-25197 has been assigned to this vulnerability. A CVSS v3 base score of 9.8 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).",
"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-2020-25197"
},
{
"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": "mitigation",
"details": "GE strongly recommends users of Reason RT43X products update their units to firmware Version 08A06 or greater to resolve these issues. The firmware update addresses both vulnerabilities as described in the Reason RT43X 08A06 Release Notes.",
"product_ids": [
"CSAFPID-0001"
]
},
{
"category": "mitigation",
"details": "GE recommends users evaluate current risk and implement appropriate network security mitigation measures as follows. The following mitigation actions do not ensure complete security but should be considered until the affected time synchronization product is upgraded:",
"product_ids": [
"CSAFPID-0001"
]
},
{
"category": "mitigation",
"details": "Use strong network and physical security protection to prevent an attacker from reaching the local network where Reason RT43X clocks are normally installed.",
"product_ids": [
"CSAFPID-0001"
]
},
{
"category": "mitigation",
"details": "Block TCP/IP Ports 80 and 443 to block the HTTP/HTTPS access to web interface with Reason RT43X products, avoiding all the vulnerabilities. This TCP/IP port blocking should be limited to the Ethernet port interface where the Reason RT43X clock is connected (e.g., using Access Control List (ACL)). Otherwise, other HTTP/HTTPS applications may be affected.",
"product_ids": [
"CSAFPID-0001"
]
},
{
"category": "mitigation",
"details": "Minimize network exposure for all control system devices and/or systems and ensure they are not accessible from the Internet.",
"product_ids": [
"CSAFPID-0001"
]
},
{
"category": "mitigation",
"details": "Analyze security events to early detect unexpected traffic/communication.",
"product_ids": [
"CSAFPID-0001"
]
},
{
"category": "mitigation",
"details": "Please see GE publication GES-2020-006 (login required) for more details on these issues.",
"product_ids": [
"CSAFPID-0001"
],
"url": "https://www.gegridsolutions.com/app/DownloadFile.aspx?prod=RT430\u0026type=21\u0026file=5"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.0"
},
"products": [
"CSAFPID-0001"
]
}
]
},
{
"cve": "CVE-2020-25193",
"cwe": {
"id": "CWE-321",
"name": "Use of Hard-coded Cryptographic Key"
},
"notes": [
{
"category": "summary",
"text": "By having access to the hard-coded cryptographic key, attackers would be able to intercept and decrypt encrypted traffic through an HTTPS connection.CVE-2020-25193 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-2020-25193"
},
{
"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": "mitigation",
"details": "GE strongly recommends users of Reason RT43X products update their units to firmware Version 08A06 or greater to resolve these issues. The firmware update addresses both vulnerabilities as described in the Reason RT43X 08A06 Release Notes.",
"product_ids": [
"CSAFPID-0001"
]
},
{
"category": "mitigation",
"details": "GE recommends users evaluate current risk and implement appropriate network security mitigation measures as follows. The following mitigation actions do not ensure complete security but should be considered until the affected time synchronization product is upgraded:",
"product_ids": [
"CSAFPID-0001"
]
},
{
"category": "mitigation",
"details": "Use strong network and physical security protection to prevent an attacker from reaching the local network where Reason RT43X clocks are normally installed.",
"product_ids": [
"CSAFPID-0001"
]
},
{
"category": "mitigation",
"details": "Block TCP/IP Ports 80 and 443 to block the HTTP/HTTPS access to web interface with Reason RT43X products, avoiding all the vulnerabilities. This TCP/IP port blocking should be limited to the Ethernet port interface where the Reason RT43X clock is connected (e.g., using Access Control List (ACL)). Otherwise, other HTTP/HTTPS applications may be affected.",
"product_ids": [
"CSAFPID-0001"
]
},
{
"category": "mitigation",
"details": "Minimize network exposure for all control system devices and/or systems and ensure they are not accessible from the Internet.",
"product_ids": [
"CSAFPID-0001"
]
},
{
"category": "mitigation",
"details": "Analyze security events to early detect unexpected traffic/communication.",
"product_ids": [
"CSAFPID-0001"
]
},
{
"category": "mitigation",
"details": "Please see GE publication GES-2020-006 (login required) for more details on these issues.",
"product_ids": [
"CSAFPID-0001"
],
"url": "https://www.gegridsolutions.com/app/DownloadFile.aspx?prod=RT430\u0026type=21\u0026file=5"
}
],
"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"
]
}
]
}
]
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…