icsa-21-119-03
Vulnerability from csaf_cisa
Published
2021-04-29 00:00
Modified
2021-04-29 00:00
Summary
Johnson Controls Exacq Technologies exacqVision
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
A local attacker could exploit this vulnerability to obtain Super User access to the underlying Ubuntu Linux operating system.
Critical infrastructure sectors
Critical Manufacturing
Countries/areas deployed
Worldwide
Company headquarters location
Ireland
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 this vulnerability. This vulnerability is not exploitable remotely. High attack complexity.
{
"document": {
"acknowledgments": [
{
"organization": "Johnson Controls",
"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": "A local attacker could exploit this vulnerability to obtain Super User access to the underlying Ubuntu Linux operating system.",
"title": "Risk evaluation"
},
{
"category": "other",
"text": "Critical Manufacturing",
"title": "Critical infrastructure sectors"
},
{
"category": "other",
"text": "Worldwide",
"title": "Countries/areas deployed"
},
{
"category": "other",
"text": "Ireland",
"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 this vulnerability. This vulnerability is not exploitable remotely. High attack complexity.",
"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-21-119-03 JSON",
"url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2021/icsa-21-119-03.json"
},
{
"category": "self",
"summary": "ICS Advisory ICSA-21-119-03 Web Version",
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-119-03"
},
{
"category": "external",
"summary": "Recommended Practices",
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-119-03"
},
{
"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": "Johnson Controls Exacq Technologies exacqVision",
"tracking": {
"current_release_date": "2021-04-29T00:00:00.000000Z",
"generator": {
"engine": {
"name": "CISA CSAF Generator",
"version": "1.0.0"
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"id": "ICSA-21-119-03",
"initial_release_date": "2021-04-29T00:00:00.000000Z",
"revision_history": [
{
"date": "2021-04-29T00:00:00.000000Z",
"legacy_version": "Initial",
"number": "1",
"summary": "ICSA-21-119-03 Johnson Controls Exacq Technologies exacqVision"
}
],
"status": "final",
"version": "1"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version",
"name": "Linux based Z-Series and A-Series",
"product": {
"name": "exacqVision - Linux based Z-Series and A-Series",
"product_id": "CSAFPID-0001"
}
}
],
"category": "product_name",
"name": "exacqVision"
},
{
"branches": [
{
"category": "product_version",
"name": "Q-Series",
"product": {
"name": "exacqVision - Q-Series",
"product_id": "CSAFPID-0002"
}
}
],
"category": "product_name",
"name": "exacqVision"
},
{
"branches": [
{
"category": "product_version",
"name": "G-Series",
"product": {
"name": "exacqVision - G-Series",
"product_id": "CSAFPID-0003"
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}
],
"category": "product_name",
"name": "exacqVision"
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{
"branches": [
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"product": {
"name": "exacqVision - Legacy LC-Series",
"product_id": "CSAFPID-0004"
}
}
],
"category": "product_name",
"name": "exacqVision"
},
{
"branches": [
{
"category": "product_version",
"name": "Legacy ELP-Series",
"product": {
"name": "exacqVision - Legacy ELP-Series",
"product_id": "CSAFPID-0005"
}
}
],
"category": "product_name",
"name": "exacqVision"
},
{
"branches": [
{
"category": "product_version",
"name": "exacqVision Network Video Recorders (NVR)",
"product": {
"name": "exacqVision - exacqVision Network Video Recorders (NVR)",
"product_id": "CSAFPID-0006"
}
}
],
"category": "product_name",
"name": "exacqVision"
},
{
"branches": [
{
"category": "product_version",
"name": "Linux based C-Series Workstations",
"product": {
"name": "exacqVision - Linux based C-Series Workstations",
"product_id": "CSAFPID-0007"
}
}
],
"category": "product_name",
"name": "exacqVision"
},
{
"branches": [
{
"category": "product_version",
"name": "S-Series Storage Servers",
"product": {
"name": "exacqVision - S-Series Storage Servers",
"product_id": "CSAFPID-0008"
}
}
],
"category": "product_name",
"name": "exacqVision"
}
],
"category": "vendor",
"name": "Exacq Technologies, Johnson Controls Inc."
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2021-3156",
"cwe": {
"id": "CWE-193",
"name": "Off-by-one Error"
},
"notes": [
{
"category": "summary",
"text": "The affected product calculates or uses an incorrect maximum or minimum value that is one more or one less than the correct value.CVE-2021-3156 has been assigned to this vulnerability. A CVSS v3 base score of 7.0 has been calculated; the CVSS vector string is (AV:L/AC:H/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",
"CSAFPID-0004",
"CSAFPID-0005",
"CSAFPID-0006",
"CSAFPID-0007",
"CSAFPID-0008"
]
},
"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:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
}
],
"remediations": [
{
"category": "mitigation",
"details": "Johnson Controls recommends users install the latest security updates for the Ubuntu Linux operating system.",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005",
"CSAFPID-0006",
"CSAFPID-0007",
"CSAFPID-0008"
]
},
{
"category": "mitigation",
"details": "Users may contact Exacq technical support for assistance with updating their operating system.",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005",
"CSAFPID-0006",
"CSAFPID-0007",
"CSAFPID-0008"
],
"url": "https://exacq.com/support/techsupport/"
},
{
"category": "mitigation",
"details": "For more detailed mitigation instructions, please see Johnson Controls Product Security Advisory JCI-PSA-2021-04",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005",
"CSAFPID-0006",
"CSAFPID-0007",
"CSAFPID-0008"
],
"url": "https://www.johnsoncontrols.com/cyber-solutions/security-advisories"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.0,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.0"
},
"products": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005",
"CSAFPID-0006",
"CSAFPID-0007",
"CSAFPID-0008"
]
}
]
}
]
}
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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.