{
"document": {
"acknowledgments": [
{
"organization": "Mitsubishi Electric",
"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": "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 a remote attacker to cause a denial-of-service condition in the target product.",
"title": "Risk evaluation"
},
{
"category": "other",
"text": "Critical Manufacturing",
"title": "Critical infrastructure sectors"
},
{
"category": "other",
"text": "Worldwide",
"title": "Countries/areas deployed"
},
{
"category": "other",
"text": "Japan",
"title": "Company headquarters location"
},
{
"category": "general",
"text": "CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. 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 on 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": "CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.",
"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": "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": "No known public exploitation specifically targeting this vulnerability has been reported to CISA at this time. This vulnerability has a high attack complexity.",
"title": "Recommended Practices"
}
],
"publisher": {
"category": "coordinator",
"contact_details": "central@cisa.dhs.gov",
"name": "CISA",
"namespace": "https://www.cisa.gov/"
},
"references": [
{
"category": "self",
"summary": "ICS Advisory ICSA-24-200-01 JSON",
"url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2024/icsa-24-200-01.json"
},
{
"category": "self",
"summary": "ICSA Advisory ICSA-24-200-01 - Web Version",
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-24-200-01"
},
{
"category": "external",
"summary": "Recommended Practices",
"url": "https://www.cisa.gov/resources-tools/resources/ics-recommended-practices"
},
{
"category": "external",
"summary": "Recommended Practices",
"url": "https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf"
},
{
"category": "external",
"summary": "Recommended Practices",
"url": "https://www.cisa.gov/topics/industrial-control-systems"
},
{
"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://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://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B"
},
{
"category": "external",
"summary": "Recommended Practices",
"url": "https://www.cisa.gov/uscert/sites/default/files/publications/emailscams0905.pdf"
},
{
"category": "external",
"summary": "Recommended Practices",
"url": "https://www.cisa.gov/uscert/ncas/tips/ST04-014"
}
],
"title": "Mitsubishi Electric MELSOFT MaiLab",
"tracking": {
"current_release_date": "2024-07-18T06:00:00.000000Z",
"generator": {
"engine": {
"name": "CISA CSAF Generator",
"version": "1.0.0"
}
},
"id": "ICSA-24-200-01",
"initial_release_date": "2024-07-18T06:00:00.000000Z",
"revision_history": [
{
"date": "2024-07-18T06:00:00.000000Z",
"legacy_version": "Initial",
"number": "1",
"summary": "Initial Publication"
}
],
"status": "final",
"version": "1"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": ">=1.00A|<1.05F",
"product": {
"name": "Mitsubishi Electric Corporation MELSOFT MaiLab SW1DND-MAILAB-M: >=1.00A|<1.05F",
"product_id": "CSAFPID-0001"
}
}
],
"category": "product_name",
"name": "MELSOFT MaiLab SW1DND-MAILAB-M"
},
{
"branches": [
{
"category": "product_version_range",
"name": ">=1.00A|<1.05F",
"product": {
"name": "Mitsubishi Electric Corporation MELSOFT MaiLab SW1DND-MAILABPR-M: >=1.00A|<1.05F",
"product_id": "CSAFPID-0002"
}
}
],
"category": "product_name",
"name": "MELSOFT MaiLab SW1DND-MAILABPR-M"
}
],
"category": "vendor",
"name": "Mitsubishi Electric Corporation"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2023-4807",
"cwe": {
"id": "CWE-347",
"name": "Improper Verification of Cryptographic Signature"
},
"notes": [
{
"category": "summary",
"text": "A denial-of-service vulnerability exists in the OpenSSL library used in MELSOFT MaiLab due to improper verification of cryptographic signature resulting from improper implementation of the POLY1305 message authentication code (MAC).",
"title": "Vulnerability Summary"
}
],
"product_status": {
"known_affected": [
"CSAFPID-0001",
"CSAFPID-0002"
]
},
"references": [
{
"category": "external",
"summary": "web.nvd.nist.gov",
"url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-4807"
},
{
"category": "external",
"summary": "www.first.org",
"url": "https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"category": "external",
"summary": "www.first.org",
"url": "https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
}
],
"remediations": [
{
"category": "mitigation",
"details": "Mitsubishi Electric recommends users install the fixed version (ver.1.06G or later) and update the software. For information about how to install the fixed version, please contact your local Mitsubishi Electric representative.",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002"
]
},
{
"category": "mitigation",
"details": "Mitsubishi Electric recommends that users take the following mitigations to minimize the risk of exploiting this vulnerability:",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002"
]
},
{
"category": "mitigation",
"details": "When internet access is required, use a firewall or a virtual private network (VPN) to prevent unauthorized access.",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002"
]
},
{
"category": "mitigation",
"details": "Use the products within a control system, and protect the network and devices in the control system with a firewall to block access from untrusted networks and hosts.",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002"
]
},
{
"category": "mitigation",
"details": "Restrict physical access to the PC on which the product is installed and the network to which the PC is connected to prevent unauthorized access.",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002"
]
},
{
"category": "mitigation",
"details": "Do not click on web links in emails or other messages from untrusted sources. Also, do not open attachments from untrusted emails.",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002"
]
},
{
"category": "mitigation",
"details": "For specific update instructions and additional details see the Mitsubishi Electric advisory.",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002"
],
"url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2024-005_en.pdf"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 5.9,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"products": [
"CSAFPID-0001",
"CSAFPID-0002"
]
}
]
}
]
}