icsa-22-256-01
Vulnerability from csaf_cisa
Published
2022-09-13 00:00
Modified
2022-09-13 00:00
Summary
Hitachi Energy TXpert Hub CoreTec 4 Sudo Vulnerability
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 take control of the system node and its information.
Critical infrastructure sectors
Energy
Countries/areas deployed
Worldwide
Company headquarters location
Switzerland
Recommended Practices
CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability these vulnerabilities. Specifically, users should:
Recommended Practices
CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
Recommended Practices
CISA also provides a section for control systems security recommended practices on the ICS webpage at cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
Recommended Practices
Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.
Recommended Practices
Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.
Exploitability
No known public exploits specifically target this vulnerability. This vulnerability is not exploitable remotely.
{
"document": {
"acknowledgments": [
{
"organization": "Hitachi Energy",
"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 take control of the system node and its information.",
"title": "Risk evaluation"
},
{
"category": "other",
"text": "Energy",
"title": "Critical infrastructure sectors"
},
{
"category": "other",
"text": "Worldwide",
"title": "Countries/areas deployed"
},
{
"category": "other",
"text": "Switzerland",
"title": "Company headquarters location"
},
{
"category": "general",
"text": "CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability these vulnerabilities. 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.",
"title": "Recommended Practices"
},
{
"category": "general",
"text": "CISA also provides a section for control systems security recommended practices on the ICS webpage at cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.",
"title": "Recommended Practices"
},
{
"category": "general",
"text": "Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.",
"title": "Recommended Practices"
},
{
"category": "general",
"text": "Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.",
"title": "Recommended Practices"
},
{
"category": "other",
"text": "No known public exploits specifically target this vulnerability. This vulnerability is not exploitable remotely.",
"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-22-256-01 JSON",
"url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2022/icsa-22-256-01.json"
},
{
"category": "self",
"summary": "ICS Advisory ICSA-22-256-01 Web Version",
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-22-256-01"
},
{
"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/news-events/ics-advisories/icsa-22-256-01"
},
{
"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"
}
],
"title": "Hitachi Energy TXpert Hub CoreTec 4 Sudo Vulnerability",
"tracking": {
"current_release_date": "2022-09-13T00:00:00.000000Z",
"generator": {
"engine": {
"name": "CISA CSAF Generator",
"version": "1.0.0"
}
},
"id": "ICSA-22-256-01",
"initial_release_date": "2022-09-13T00:00:00.000000Z",
"revision_history": [
{
"date": "2022-09-13T00:00:00.000000Z",
"legacy_version": "Initial",
"number": "1",
"summary": "Publication Date"
}
],
"status": "final",
"version": "1"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version",
"name": "2.0.0 | 2.0.1",
"product": {
"name": "TXpert Hub CoreTec 4: version 2.0.0 2.0.1",
"product_id": "CSAFPID-0001"
}
}
],
"category": "product_name",
"name": "TXpert Hub CoreTec 4"
},
{
"branches": [
{
"category": "product_version",
"name": "2.1.0 | 2.1.1 | 2.1.2 | 2.1.3",
"product": {
"name": "TXpert Hub CoreTec 4: version 2.1.0 2.1.1 2.1.2 2.1.3",
"product_id": "CSAFPID-0002"
}
}
],
"category": "product_name",
"name": "TXpert Hub CoreTec 4"
},
{
"branches": [
{
"category": "product_version",
"name": "2.2.0 | 2.2.1",
"product": {
"name": "TXpert Hub CoreTec 4: version 2.2.0 2.2.1",
"product_id": "CSAFPID-0003"
}
}
],
"category": "product_name",
"name": "TXpert Hub CoreTec 4"
}
],
"category": "vendor",
"name": "Hitachi Energy"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2021-3156",
"cwe": {
"id": "CWE-193",
"name": "Off-by-one Error"
},
"notes": [
{
"category": "summary",
"text": "Sudo is included in most Linux operating systems, including in the affected product. Versions of Sudo prior to 1.9.5p2 contain an Off-by-one Error that can result in a heap-based buffer overflow, which then allows privilege escalation to root.CVE-2021-3156 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).",
"title": "Vulnerability Summary"
}
],
"product_status": {
"known_affected": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003"
]
},
"references": [
{
"category": "external",
"summary": "web.nvd.nist.gov",
"url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-3156"
},
{
"category": "external",
"summary": "www.first.org",
"url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "TXpert Hub CoreTec 4: version 2.3.0",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003"
]
},
{
"category": "mitigation",
"details": "Physically protect process control systems from unauthorized direct access.",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003"
]
},
{
"category": "mitigation",
"details": "Do not expose process control systems to the internet.",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003"
]
},
{
"category": "mitigation",
"details": "Use a firewall system with the necessary ports open to separate process control systems from other networks.",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003"
]
},
{
"category": "mitigation",
"details": "Process control systems should not be used for internet surfing, instant messaging, or receiving emails.",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003"
]
},
{
"category": "mitigation",
"details": "Portable computers and removable storage media should be carefully scanned for viruses before connecting to process control systems.",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003"
]
},
{
"category": "mitigation",
"details": "Remove secure remote access (SSH) as described in the system hardening section of the security deployment guidelines. This will not remove the vulnerable component, but it will remove the ability of an attacker to remotely access the command line interface and exploit the vulnerability.",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003"
]
},
{
"category": "vendor_fix",
"details": "Additionally, Hitachi Energy recommends following product Security Deployment Guidelines. Recommended practices for the affected product can be found in the TXpert Hub CoreTec 4 Software Manual.",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003"
],
"url": "https://search.abb.com/library/Download.aspx?DocumentID=1ZBK000069\u0026LanguageCode=en\u0026DocumentPartId=\u0026Action=Launch"
},
{
"category": "mitigation",
"details": "For more information, see Hitachi security advisory 8DBD000081",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003"
],
"url": "https://search.abb.com/library/Download.aspx?DocumentID=8DBD000081\u0026LanguageCode=en\u0026DocumentPartId=\u0026Action=Launch"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.0"
},
"products": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003"
]
}
]
}
]
}
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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.