{
"document": {
"acknowledgments": [
{
"organization": "Siemens ProductCERT",
"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/"
}
},
"notes": [
{
"category": "summary",
"text": "Multiple vulnerabilities affecting various third-party components of the SCALANCE SC-600 family could allow an attacker to cause a denial of service condition, corrupt memory or potentially execute custom code.\n\nSiemens has released updates for the affected products and recommends to update to the latest versions.",
"title": "Summary"
},
{
"category": "general",
"text": "As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: \nhttps://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.\nAdditional information on Industrial Security by Siemens can be found at: \nhttps://www.siemens.com/industrialsecurity",
"title": "General Recommendations"
},
{
"category": "general",
"text": "For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories",
"title": "Additional Resources"
},
{
"category": "legal_disclaimer",
"text": "Siemens Security Advisories are subject to the terms and conditions contained in Siemens' underlying license terms or other applicable agreements previously agreed to with Siemens (hereinafter \"License Terms\"). To the extent applicable to information, software or documentation made available in or through a Siemens Security Advisory, the Terms of Use of Siemens' Global Website (https://www.siemens.com/terms_of_use, hereinafter \"Terms of Use\"), in particular Sections 8-10 of the Terms of Use, shall apply additionally. In case of conflicts, the License Terms shall prevail over the Terms of Use.",
"title": "Terms of Use"
},
{
"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": "other",
"text": "This CISA CSAF advisory was converted from Siemens ProductCERT's CSAF advisory.",
"title": "Advisory Conversion Disclaimer"
},
{
"category": "other",
"text": "Multiple",
"title": "Critical infrastructure sectors"
},
{
"category": "other",
"text": "Worldwide",
"title": "Countries/areas deployed"
},
{
"category": "other",
"text": "Germany",
"title": "Company headquarters location"
},
{
"category": "general",
"text": "CISA recommends users take defensive measures to minimize the exploitation risk of this vulnerability.",
"title": "Recommended Practices"
},
{
"category": "general",
"text": "Minimize network exposure for all control system devices and/or systems, and ensure they are not accessible from the internet.",
"title": "Recommended Practices"
},
{
"category": "general",
"text": "Locate control system networks and remote devices behind firewalls and isolate them from business networks.",
"title": "Recommended Practices"
},
{
"category": "general",
"text": "When remote access is required, use more secure methods, such as Virtual Private Networks (VPNs), recognizing VPNs may have vulnerabilities and should be updated to the most recent version available. Also recognize VPN is only as secure as its connected devices.",
"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 on cisa.gov. 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. Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov 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"
}
],
"publisher": {
"category": "other",
"contact_details": "central@cisa.dhs.gov",
"name": "CISA",
"namespace": "https://www.cisa.gov/"
},
"references": [
{
"category": "self",
"summary": "SSA-333517: Multiple Vulnerabilities in SCALANCE SC-600 Family before V3.0 - CSAF Version",
"url": "https://cert-portal.siemens.com/productcert/csaf/ssa-333517.json"
},
{
"category": "self",
"summary": "SSA-333517: Multiple Vulnerabilities in SCALANCE SC-600 Family before V3.0 - TXT Version",
"url": "https://cert-portal.siemens.com/productcert/txt/ssa-333517.txt"
},
{
"category": "self",
"summary": "SSA-333517: Multiple Vulnerabilities in SCALANCE SC-600 Family before V3.0 - PDF Version",
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-333517.pdf"
},
{
"category": "self",
"summary": "ICS Advisory ICSA-22-349-18 JSON",
"url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2022/icsa-22-349-18.json"
},
{
"category": "self",
"summary": "ICS Advisory ICSA-22-349-18 - Web Version",
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-22-349-18"
},
{
"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/resources-tools/resources/ics-recommended-practices"
},
{
"category": "external",
"summary": "Recommended Practices",
"url": "https://www.cisa.gov/topics/industrial-control-systems"
},
{
"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/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf"
},
{
"category": "external",
"summary": "Recommended Practices",
"url": "https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B"
}
],
"title": "Siemens SCALANCE SC-600 Family",
"tracking": {
"current_release_date": "2022-12-13T00:00:00.000000Z",
"generator": {
"engine": {
"name": "CISA CSAF Generator",
"version": "1.0.0"
}
},
"id": "ICSA-22-349-18",
"initial_release_date": "2022-12-13T00:00:00.000000Z",
"revision_history": [
{
"date": "2022-12-13T00:00:00.000000Z",
"legacy_version": "1.0",
"number": "1",
"summary": "Publication Date"
}
],
"status": "final",
"version": "1"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "<V3.0",
"product": {
"name": "SCALANCE SC622-2C (6GK5622-2GS00-2AC2)",
"product_id": "CSAFPID-0001",
"product_identification_helper": {
"model_numbers": [
"6GK5622-2GS00-2AC2"
]
}
}
}
],
"category": "product_name",
"name": "SCALANCE SC622-2C (6GK5622-2GS00-2AC2)"
},
{
"branches": [
{
"category": "product_version_range",
"name": "<V3.0",
"product": {
"name": "SCALANCE SC626-2C (6GK5626-2GS00-2AC2)",
"product_id": "CSAFPID-0002",
"product_identification_helper": {
"model_numbers": [
"6GK5626-2GS00-2AC2"
]
}
}
}
],
"category": "product_name",
"name": "SCALANCE SC626-2C (6GK5626-2GS00-2AC2)"
},
{
"branches": [
{
"category": "product_version_range",
"name": "<V3.0",
"product": {
"name": "SCALANCE SC632-2C (6GK5632-2GS00-2AC2)",
"product_id": "CSAFPID-0003",
"product_identification_helper": {
"model_numbers": [
"6GK5632-2GS00-2AC2"
]
}
}
}
],
"category": "product_name",
"name": "SCALANCE SC632-2C (6GK5632-2GS00-2AC2)"
},
{
"branches": [
{
"category": "product_version_range",
"name": "<V3.0",
"product": {
"name": "SCALANCE SC636-2C (6GK5636-2GS00-2AC2)",
"product_id": "CSAFPID-0004",
"product_identification_helper": {
"model_numbers": [
"6GK5636-2GS00-2AC2"
]
}
}
}
],
"category": "product_name",
"name": "SCALANCE SC636-2C (6GK5636-2GS00-2AC2)"
},
{
"branches": [
{
"category": "product_version_range",
"name": "<V3.0",
"product": {
"name": "SCALANCE SC642-2C (6GK5642-2GS00-2AC2)",
"product_id": "CSAFPID-0005",
"product_identification_helper": {
"model_numbers": [
"6GK5642-2GS00-2AC2"
]
}
}
}
],
"category": "product_name",
"name": "SCALANCE SC642-2C (6GK5642-2GS00-2AC2)"
},
{
"branches": [
{
"category": "product_version_range",
"name": "<V3.0",
"product": {
"name": "SCALANCE SC646-2C (6GK5646-2GS00-2AC2)",
"product_id": "CSAFPID-0006",
"product_identification_helper": {
"model_numbers": [
"6GK5646-2GS00-2AC2"
]
}
}
}
],
"category": "product_name",
"name": "SCALANCE SC646-2C (6GK5646-2GS00-2AC2)"
}
],
"category": "vendor",
"name": "Siemens"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2018-25032",
"cwe": {
"id": "CWE-787",
"name": "Out-of-bounds Write"
},
"notes": [
{
"category": "summary",
"text": "zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if the input has many distant matches.",
"title": "Summary"
}
],
"product_status": {
"known_affected": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005",
"CSAFPID-0006"
]
},
"remediations": [
{
"category": "vendor_fix",
"details": "Update to V3.0 or later version",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005",
"CSAFPID-0006"
],
"url": "https://support.industry.siemens.com/cs/ww/en/view/109814276/"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.5,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C",
"version": "3.1"
},
"products": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005",
"CSAFPID-0006"
]
}
],
"title": "CVE-2018-25032"
},
{
"cve": "CVE-2022-30065",
"cwe": {
"id": "CWE-416",
"name": "Use After Free"
},
"notes": [
{
"category": "summary",
"text": "A use-after-free in Busybox 1.35-x's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the copyvar function.",
"title": "Summary"
}
],
"product_status": {
"known_affected": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005",
"CSAFPID-0006"
]
},
"remediations": [
{
"category": "vendor_fix",
"details": "Update to V3.0 or later version",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005",
"CSAFPID-0006"
],
"url": "https://support.industry.siemens.com/cs/ww/en/view/109814276/"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C",
"version": "3.1"
},
"products": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005",
"CSAFPID-0006"
]
}
],
"title": "CVE-2022-30065"
},
{
"cve": "CVE-2022-32205",
"cwe": {
"id": "CWE-770",
"name": "Allocation of Resources Without Limits or Throttling"
},
"notes": [
{
"category": "summary",
"text": "A malicious server can serve excessive amounts of \"Set-Cookie:\" headers in a HTTP response to curl and curl < 7.84.0 stores all of them. A sufficiently large amount of (big) cookies make subsequent HTTP requests to this, or other servers to which the cookies match, create requests that become larger than the threshold that curl uses internally to avoid sending crazy large requests (1048576 bytes) and instead returns an error.This denial state might remain for as long as the same cookies are kept, match and haven't expired. Due to cookie matching rules, a server on \"foo.example.com\" can set cookies that also would match for \"bar.example.com\", making it it possible for a \"sister server\" to effectively cause a denial of service for a sibling site on the same second level domain using this method.",
"title": "Summary"
}
],
"product_status": {
"known_affected": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005",
"CSAFPID-0006"
]
},
"remediations": [
{
"category": "vendor_fix",
"details": "Update to V3.0 or later version",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005",
"CSAFPID-0006"
],
"url": "https://support.industry.siemens.com/cs/ww/en/view/109814276/"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C",
"version": "3.1"
},
"products": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005",
"CSAFPID-0006"
]
}
],
"title": "CVE-2022-32205"
},
{
"cve": "CVE-2022-32206",
"cwe": {
"id": "CWE-770",
"name": "Allocation of Resources Without Limits or Throttling"
},
"notes": [
{
"category": "summary",
"text": "curl < 7.84.0 supports \"chained\" HTTP compression algorithms, meaning that a serverresponse can be compressed multiple times and potentially with different algorithms. The number of acceptable \"links\" in this \"decompression chain\" was unbounded, allowing a malicious server to insert a virtually unlimited number of compression steps.The use of such a decompression chain could result in a \"malloc bomb\", makingcurl end up spending enormous amounts of allocated heap memory, or trying toand returning out of memory errors.",
"title": "Summary"
}
],
"product_status": {
"known_affected": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005",
"CSAFPID-0006"
]
},
"remediations": [
{
"category": "vendor_fix",
"details": "Update to V3.0 or later version",
"product_ids": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005",
"CSAFPID-0006"
],
"url": "https://support.industry.siemens.com/cs/ww/en/view/109814276/"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C",
"version": "3.1"
},
"products": [
"CSAFPID-0001",
"CSAFPID-0002",
"CSAFPID-0003",
"CSAFPID-0004",
"CSAFPID-0005",
"CSAFPID-0006"
]
}
],
"title": "CVE-2022-32206"
}
]
}