icsa-21-103-06
Vulnerability from csaf_cisa
Published
2021-04-13 00:00
Modified
2021-06-08 00:00
Summary
Siemens Solid Edge File Parsing (Update A)
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 these vulnerabilities could lead to a crash, arbitrary code execution, or data extraction on the target host system.
Critical infrastructure sectors
Critical Manufacturing
Countries/areas deployed
Worldwide
Company headquarters location
Germany
Recommended Practices
CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities.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.
Recommended Practices
CISA also recommends users take the following measures to protect themselves from social engineering attacks:
Additional Resources
For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories
Exploitability
No known public exploits specifically target these vulnerabilities. These vulnerabilities are not exploitable remotely.
{ "document": { "acknowledgments": [ { "names": [ "Francis Provencher (PRL)", "rgod" ], "organization": "Trend Micro \u0027s Zero Day Initiative", "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": "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 these vulnerabilities could lead to a crash, arbitrary code execution, or data extraction on the target host system.", "title": "Risk evaluation" }, { "category": "other", "text": "Critical Manufacturing", "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 risk of exploitation of these vulnerabilities.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": "general", "text": "CISA also recommends users take the following measures to protect themselves from social engineering attacks:", "title": "Recommended Practices" }, { "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": "other", "text": "No known public exploits specifically target these vulnerabilities. These vulnerabilities are 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": "external", "summary": "SSA-574442: Multiple PAR and DFT File Parsing Vulnerabilities in Solid Edge - CSAF Version", "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-574442.json" }, { "category": "self", "summary": "ICS Advisory ICSA-21-103-06 JSON", "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2021/icsa-21-103-06.json" }, { "category": "self", "summary": "ICS Advisory ICSA-21-103-06 Web Version", "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-103-06" }, { "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" }, { "category": "external", "summary": "Recommended Practices", "url": "https://us-cert.cisa.gov/ncas/tips/ST04-014" }, { "category": "external", "summary": "SSA-574442: Multiple PAR and DFT File Parsing Vulnerabilities in Solid Edge - PDF Version", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-574442.pdf" }, { "category": "external", "summary": "SSA-574442: Multiple PAR and DFT File Parsing Vulnerabilities in Solid Edge - TXT Version", "url": "https://cert-portal.siemens.com/productcert/txt/ssa-574442.txt" } ], "title": "Siemens Solid Edge File Parsing (Update A)", "tracking": { "current_release_date": "2021-06-08T00:00:00.000000Z", "generator": { "engine": { "name": "CISA CSAF Generator", "version": "1.0.0" } }, "id": "ICSA-21-103-06", "initial_release_date": "2021-04-13T00:00:00.000000Z", "revision_history": [ { "date": "2021-04-13T00:00:00.000000Z", "legacy_version": "Initial", "number": "1", "summary": "ICSA-21-103-06 Siemens Solid Edge File Parsing" }, { "date": "2021-06-08T00:00:00.000000Z", "legacy_version": "A", "number": "2", "summary": "ICSA-21-103-06 Siemens Solid Edge File Parsing (Update A)" } ], "status": "final", "version": "2" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "\u003c SE2020MP13", "product": { "name": "Solid Edge SE2020", "product_id": "CSAFPID-0001" } } ], "category": "product_name", "name": "Solid Edge SE2020" }, { "branches": [ { "category": "product_version_range", "name": "\u003c SE2020MP14", "product": { "name": "Solid Edge SE2020", "product_id": "CSAFPID-0002" } } ], "category": "product_name", "name": "Solid Edge SE2020" }, { "branches": [ { "category": "product_version_range", "name": "All Versions \u003c SE2021MP4", "product": { "name": "Solid Edge SE2021", "product_id": "CSAFPID-0003" } } ], "category": "product_name", "name": "Solid Edge SE2021" } ], "category": "vendor", "name": "Siemens" } ] }, "vulnerabilities": [ { "cve": "CVE-2020-26997", "cwe": { "id": "CWE-822", "name": "Untrusted Pointer Dereference" }, "notes": [ { "category": "summary", "text": "Affected applications lack proper validation of user-supplied data when parsing PAR files. This could lead to pointer dereferences of a value obtained from untrusted source. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-11919)", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] }, "references": [ { "summary": "CVE-2020-26997 Mitre 5.0 json", "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2020-26997.json" }, { "category": "external", "summary": "web.nvd.nist.gov", "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-26997" }, { "category": "external", "summary": "www.first.org", "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H" } ], "remediations": [ { "category": "vendor_fix", "details": "Update to SE2020MP13 or later version", "product_ids": [ "CSAFPID-0001" ] }, { "category": "vendor_fix", "details": "Update to SE2020MP14 or later version", "product_ids": [ "CSAFPID-0002" ] }, { "category": "vendor_fix", "details": "Update to SE2021MP4 or later version", "product_ids": [ "CSAFPID-0003" ] }, { "category": "mitigation", "details": "Avoid to open untrusted files from unknown sources in Solid Edge", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] }, { "category": "mitigation", "details": "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\u0027 operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.\n\nAdditional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] } ], "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" ] } ], "title": "CVE-2020-26997" }, { "cve": "CVE-2020-28385", "cwe": { "id": "CWE-787", "name": "Out-of-bounds Write" }, "notes": [ { "category": "summary", "text": "Affected applications lack proper validation of user-supplied data when parsing DFT files. This could result in an out of bounds write past the end of an allocated structure. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-12049)", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-0001", "CSAFPID-0003" ] }, "references": [ { "summary": "CVE-2020-28385 Mitre 5.0 json", "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2020-28385.json" }, { "category": "external", "summary": "web.nvd.nist.gov", "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-28385" }, { "category": "external", "summary": "www.first.org", "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H" } ], "remediations": [ { "category": "vendor_fix", "details": "Update to SE2020MP13 or later version", "product_ids": [ "CSAFPID-0001" ] }, { "category": "vendor_fix", "details": "Update to SE2021MP4 or later version", "product_ids": [ "CSAFPID-0003" ] }, { "category": "mitigation", "details": "Avoid to open untrusted files from unknown sources in Solid Edge", "product_ids": [ "CSAFPID-0001", "CSAFPID-0003" ] }, { "category": "mitigation", "details": "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\u0027 operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.\n\nAdditional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity", "product_ids": [ "CSAFPID-0001", "CSAFPID-0003" ] } ], "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-0003" ] } ], "title": "CVE-2020-28385" }, { "cve": "CVE-2021-25678", "cwe": { "id": "CWE-787", "name": "Out-of-bounds Write" }, "notes": [ { "category": "summary", "text": "Affected applications lack proper validation of user-supplied data when parsing PAR files. This could result in an out of bounds write past the end of an allocated structure. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-12529)", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] }, "references": [ { "summary": "CVE-2021-25678 Mitre 5.0 json", "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-25678.json" }, { "category": "external", "summary": "web.nvd.nist.gov", "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-25678" }, { "category": "external", "summary": "www.first.org", "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H" } ], "remediations": [ { "category": "vendor_fix", "details": "Update to SE2020MP13 or later version", "product_ids": [ "CSAFPID-0001" ] }, { "category": "vendor_fix", "details": "Update to SE2020MP14 or later version", "product_ids": [ "CSAFPID-0002" ] }, { "category": "vendor_fix", "details": "Update to SE2021MP4 or later version", "product_ids": [ "CSAFPID-0003" ] }, { "category": "mitigation", "details": "Avoid to open untrusted files from unknown sources in Solid Edge", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] }, { "category": "mitigation", "details": "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\u0027 operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.\n\nAdditional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] } ], "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" ] } ], "title": "CVE-2021-25678" }, { "cve": "CVE-2021-27380", "cwe": { "id": "CWE-787", "name": "Out-of-bounds Write" }, "notes": [ { "category": "summary", "text": "Affected applications lack proper validation of user-supplied data when parsing PAR files. This could result in an out of bounds write past the end of an allocated structure. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-12532)", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-0001", "CSAFPID-0003" ] }, "references": [ { "summary": "CVE-2021-27380 Mitre 5.0 json", "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-27380.json" }, { "category": "external", "summary": "web.nvd.nist.gov", "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-27380" }, { "category": "external", "summary": "www.first.org", "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H" } ], "remediations": [ { "category": "vendor_fix", "details": "Update to SE2020MP13 or later version", "product_ids": [ "CSAFPID-0001" ] }, { "category": "vendor_fix", "details": "Update to SE2021MP4 or later version", "product_ids": [ "CSAFPID-0003" ] }, { "category": "mitigation", "details": "Avoid to open untrusted files from unknown sources in Solid Edge", "product_ids": [ "CSAFPID-0001", "CSAFPID-0003" ] }, { "category": "mitigation", "details": "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\u0027 operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.\n\nAdditional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity", "product_ids": [ "CSAFPID-0001", "CSAFPID-0003" ] } ], "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-0003" ] } ], "title": "CVE-2021-27380" }, { "cve": "CVE-2021-27382", "cwe": { "id": "CWE-121", "name": "Stack-based Buffer Overflow" }, "notes": [ { "category": "summary", "text": "Affected applications lack proper validation of user-supplied data when parsing of PAR files. This could result in a stack based buffer overflow. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-13040)", "title": "Summary" } ], "product_status": { "known_affected": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] }, "references": [ { "summary": "CVE-2021-27382 Mitre 5.0 json", "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-27382.json" }, { "category": "external", "summary": "web.nvd.nist.gov", "url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-27382" }, { "category": "external", "summary": "www.first.org", "url": "https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H" } ], "remediations": [ { "category": "vendor_fix", "details": "Update to SE2020MP13 or later version", "product_ids": [ "CSAFPID-0001" ] }, { "category": "vendor_fix", "details": "Update to SE2020MP14 or later version", "product_ids": [ "CSAFPID-0002" ] }, { "category": "vendor_fix", "details": "Update to SE2021MP4 or later version", "product_ids": [ "CSAFPID-0003" ] }, { "category": "mitigation", "details": "Avoid to open untrusted files from unknown sources in Solid Edge", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] }, { "category": "mitigation", "details": "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\u0027 operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.\n\nAdditional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity", "product_ids": [ "CSAFPID-0001", "CSAFPID-0002", "CSAFPID-0003" ] } ], "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" ] } ], "title": "CVE-2021-27382" } ] }
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Sightings
Author | Source | Type | Date |
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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.