{ "document": { "acknowledgments": [ { "names": [ "Mr. Mashav Sapir" ], "organization": "Claroty", "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": "An attacker could leverage this vulnerability to execute code within the context of the affected system, which may threaten the integrity and confidentiality of data or cause a denial-of-service condition.", "title": "Risk evaluation" }, { "category": "other", "text": "Chemical, Critical Manufacturing, Energy", "title": "Critical infrastructure sectors" }, { "category": "other", "text": "Worldwide", "title": "Countries/areas deployed" }, { "category": "other", "text": "Austria", "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": "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 has a 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-22-228-05 JSON", "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2022/icsa-22-228-05.json" }, { "category": "self", "summary": "ICS Advisory ICSA-22-228-05 Web Version", "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-22-228-05" }, { "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-22-228-05" }, { "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": "B&R Industrial Automation Automation Studio 4", "tracking": { "current_release_date": "2022-08-16T00:00:00.000000Z", "generator": { "engine": { "name": "CISA CSAF Generator", "version": "1.0.0" } }, "id": "ICSA-22-228-05", "initial_release_date": "2022-08-16T00:00:00.000000Z", "revision_history": [ { "date": "2022-08-16T00:00:00.000000Z", "legacy_version": "Initial", "number": "1", "summary": "Publication Date" } ], "status": "final", "version": "1" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version", "name": "vers:all/*", "product": { "name": "Automation Studio 4: All versions", "product_id": "CSAFPID-0001" } } ], "category": "product_name", "name": "Automation Studio 4" } ], "category": "vendor", "name": "B&R Industrial Automation" } ] }, "vulnerabilities": [ { "cve": "CVE-2021-22289", "cwe": { "id": "CWE-20", "name": "Improper Input Validation" }, "notes": [ { "category": "summary", "text": "If the PLC has not been sufficiently secured, an attacker could manipulate stored project information. Alternatively, a remote attacker may use spoofing techniques to connect B&R Automation Studio to an attacker-controlled device with manipulated project files. When using project upload in B&R Automation Studio, such crafted projects will be loaded and opened in the security context of Automation Studio. This may result in remote code execution, information disclosure, and denial-of-service of the system running B&R Automation Studio.CVE-2021-22289 has been assigned to this vulnerability. A CVSS v3 base score of 8.3 has been assigned; the CVSS vector string is (AV:N/AC:H/PR:N/UI:R/S:C/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-2021-22289" }, { "category": "external", "summary": "www.first.org", "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H" } ], "remediations": [ { "category": "mitigation", "details": "Note: This feature is not activated by default. Do not use or enable the feature if it is not necessary for projects.", "product_ids": [ "CSAFPID-0001" ] }, { "category": "mitigation", "details": "Use only Automation Network Service Link (ANSL) over SSL and enable authentication on the PLC.", "product_ids": [ "CSAFPID-0001" ] }, { "category": "mitigation", "details": "Configure password protection when using the “Backing up project source files on the target system” feature. Use strong passwords.", "product_ids": [ "CSAFPID-0001" ] }, { "category": "mitigation", "details": "Protect networks with PLCs from unauthorized access by using firewalls.", "product_ids": [ "CSAFPID-0001" ] }, { "category": "mitigation", "details": "Do not run B&R Automation Studio with elevated user privileges.", "product_ids": [ "CSAFPID-0001" ] }, { "category": "mitigation", "details": "Verify the integrity of B&R Automation Studio project files, which are exchanged via potentially insecure channels (e. g., using hashes or digital signatures).", "product_ids": [ "CSAFPID-0001" ] }, { "category": "mitigation", "details": "Ensure Windows User Access Control (UAC) is enabled", "product_ids": [ "CSAFPID-0001" ] }, { "category": "mitigation", "details": "In general, B&R recommends implementing B&R Cyber Security guidelines. For additional information and support, users should contact B&R directly.", "product_ids": [ "CSAFPID-0001" ], "url": "https://www.br-automation.com/en/service/cyber-security/" } ], "scores": [ { "cvss_v3": { "baseScore": 8.3, "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H", "version": "3.0" }, "products": [ "CSAFPID-0001" ] } ] } ] }