ICSA-21-280-06
Vulnerability from csaf_cisa - Published: 2021-10-07 00:00 - Updated: 2021-10-07 00:00Summary
FATEK Automation WinProladder
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 may allow arbitrary code execution, remote code execution, heap corruption, and unauthorized information disclosure.
Critical infrastructure sectors
Critical Manufacturing
Countries/areas deployed
Worldwide
Company headquarters location
Taiwan
Recommended Practices
FATEK Automation has not responded to requests to work with CISA to mitigate these vulnerabilities. Users of these affected products are invited to contact FATEK customer support for additional information.
Recommended Practices
CISA also recommends users take the following measures to protect themselves from social engineering attacks:
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 these vulnerabilities.
{
"document": {
"acknowledgments": [
{
"names": [
"xina1i",
"Natnael Samson (@NattiSamson)"
],
"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": {
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"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 may allow arbitrary code execution, remote code execution, heap corruption, and unauthorized information disclosure.",
"title": "Risk evaluation"
},
{
"category": "other",
"text": "Critical Manufacturing",
"title": "Critical infrastructure sectors"
},
{
"category": "other",
"text": "Worldwide",
"title": "Countries/areas deployed"
},
{
"category": "other",
"text": "Taiwan",
"title": "Company headquarters location"
},
{
"category": "general",
"text": "FATEK Automation has not responded to requests to work with CISA to mitigate these vulnerabilities. Users of these affected products are invited to contact FATEK customer support for additional information.",
"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": "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 these vulnerabilities.",
"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-21-280-06 JSON",
"url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2021/icsa-21-280-06.json"
},
{
"category": "self",
"summary": "ICS Advisory ICSA-21-280-06 Web Version",
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-280-06"
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{
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"summary": "Recommended Practices",
"url": "https://www.fatek.com/en/contact_us.php"
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{
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"summary": "Recommended Practices",
"url": "https://us-cert.cisa.gov/ics/tips/ICS-TIP-12-146-01B"
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],
"title": "FATEK Automation WinProladder",
"tracking": {
"current_release_date": "2021-10-07T00:00:00.000000Z",
"generator": {
"engine": {
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"id": "ICSA-21-280-06",
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"revision_history": [
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"date": "2021-10-07T00:00:00.000000Z",
"legacy_version": "Initial",
"number": "1",
"summary": "ICSA-21-280-06 FATEK Automation WinProladder"
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"status": "final",
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"product_tree": {
"branches": [
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{
"category": "product_version_range",
"name": "\u003c= 3.30",
"product": {
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"product_id": "CSAFPID-0001"
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},
"vulnerabilities": [
{
"cve": "CVE-2021-38438",
"cwe": {
"id": "CWE-416",
"name": "Use After Free"
},
"notes": [
{
"category": "summary",
"text": "A use after free vulnerability may be exploited when a valid user opens a malformed project file, which may allow arbitrary code execution.CVE-2021-38438 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).",
"title": "Vulnerability Summary"
}
],
"product_status": {
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]
},
"references": [
{
"category": "external",
"summary": "web.nvd.nist.gov",
"url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-38438"
},
{
"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": "mitigation",
"details": "Do not click web links or open unsolicited attachments in email messages.",
"product_ids": [
"CSAFPID-0001"
]
},
{
"category": "mitigation",
"details": "Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams.",
"product_ids": [
"CSAFPID-0001"
],
"url": "https://us-cert.cisa.gov/sites/default/files/publications/emailscams_0905.pdf"
},
{
"category": "mitigation",
"details": "Refer to Avoiding Social Engineering and Phishing Attacks for more information on social engineering attacks.",
"product_ids": [
"CSAFPID-0001"
],
"url": "https://us-cert.cisa.gov/ncas/tips/ST04-014"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.0"
},
"products": [
"CSAFPID-0001"
]
}
]
},
{
"cve": "CVE-2021-38426",
"cwe": {
"id": "CWE-787",
"name": "Out-of-bounds Write"
},
"notes": [
{
"category": "summary",
"text": "The affected product lacks proper validation of user-supplied data when parsing project files, which could result in an out-of-bounds write. An attacker could leverage this vulnerability to execute arbitrary code.CVE-2021-38426 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).",
"title": "Vulnerability Summary"
}
],
"product_status": {
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]
},
"references": [
{
"category": "external",
"summary": "web.nvd.nist.gov",
"url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-38426"
},
{
"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": "mitigation",
"details": "Do not click web links or open unsolicited attachments in email messages.",
"product_ids": [
"CSAFPID-0001"
]
},
{
"category": "mitigation",
"details": "Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams.",
"product_ids": [
"CSAFPID-0001"
],
"url": "https://us-cert.cisa.gov/sites/default/files/publications/emailscams_0905.pdf"
},
{
"category": "mitigation",
"details": "Refer to Avoiding Social Engineering and Phishing Attacks for more information on social engineering attacks.",
"product_ids": [
"CSAFPID-0001"
],
"url": "https://us-cert.cisa.gov/ncas/tips/ST04-014"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.0"
},
"products": [
"CSAFPID-0001"
]
}
]
},
{
"cve": "CVE-2021-38434",
"cwe": {
"id": "CWE-194",
"name": "Unexpected Sign Extension"
},
"notes": [
{
"category": "summary",
"text": "The affected product lacks proper validation of user-supplied data when parsing project files, which could result in an unexpected sign extension. An attacker could leverage this vulnerability to execute arbitrary code.CVE-2021-38434 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).",
"title": "Vulnerability Summary"
}
],
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]
},
"references": [
{
"category": "external",
"summary": "web.nvd.nist.gov",
"url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-38434"
},
{
"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": "mitigation",
"details": "Do not click web links or open unsolicited attachments in email messages.",
"product_ids": [
"CSAFPID-0001"
]
},
{
"category": "mitigation",
"details": "Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams.",
"product_ids": [
"CSAFPID-0001"
],
"url": "https://us-cert.cisa.gov/sites/default/files/publications/emailscams_0905.pdf"
},
{
"category": "mitigation",
"details": "Refer to Avoiding Social Engineering and Phishing Attacks for more information on social engineering attacks.",
"product_ids": [
"CSAFPID-0001"
],
"url": "https://us-cert.cisa.gov/ncas/tips/ST04-014"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.0"
},
"products": [
"CSAFPID-0001"
]
}
]
},
{
"cve": "CVE-2021-38430",
"cwe": {
"id": "CWE-121",
"name": "Stack-based Buffer Overflow"
},
"notes": [
{
"category": "summary",
"text": "The affected product lacks proper validation of user-supplied data when parsing project files, which could result in a stack-based buffer overflow. An attacker could leverage this vulnerability to execute arbitrary code.CVE-2021-38430 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/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-2021-38430"
},
{
"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": "mitigation",
"details": "Do not click web links or open unsolicited attachments in email messages.",
"product_ids": [
"CSAFPID-0001"
]
},
{
"category": "mitigation",
"details": "Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams.",
"product_ids": [
"CSAFPID-0001"
],
"url": "https://us-cert.cisa.gov/sites/default/files/publications/emailscams_0905.pdf"
},
{
"category": "mitigation",
"details": "Refer to Avoiding Social Engineering and Phishing Attacks for more information on social engineering attacks.",
"product_ids": [
"CSAFPID-0001"
],
"url": "https://us-cert.cisa.gov/ncas/tips/ST04-014"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.0"
},
"products": [
"CSAFPID-0001"
]
}
]
},
{
"cve": "CVE-2021-38436",
"cwe": {
"id": "CWE-119",
"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
"notes": [
{
"category": "summary",
"text": "The affected product lacks proper validation of user-supplied data when parsing project files, which could result in a memory-corruption condition. An attacker could leverage this vulnerability to execute arbitrary code in the context of the current process.CVE-2021-38436 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).",
"title": "Vulnerability Summary"
}
],
"product_status": {
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]
},
"references": [
{
"category": "external",
"summary": "web.nvd.nist.gov",
"url": "http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-38436"
},
{
"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": "mitigation",
"details": "Do not click web links or open unsolicited attachments in email messages.",
"product_ids": [
"CSAFPID-0001"
]
},
{
"category": "mitigation",
"details": "Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams.",
"product_ids": [
"CSAFPID-0001"
],
"url": "https://us-cert.cisa.gov/sites/default/files/publications/emailscams_0905.pdf"
},
{
"category": "mitigation",
"details": "Refer to Avoiding Social Engineering and Phishing Attacks for more information on social engineering attacks.",
"product_ids": [
"CSAFPID-0001"
],
"url": "https://us-cert.cisa.gov/ncas/tips/ST04-014"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.0"
},
"products": [
"CSAFPID-0001"
]
}
]
},
{
"cve": "CVE-2021-38442",
"cwe": {
"id": "CWE-119",
"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
"notes": [
{
"category": "summary",
"text": "The affected product lacks proper validation of user-supplied data when parsing project files, which could result in a heap-corruption condition. An attacker could leverage this vulnerability to execute code in the context of the current process.CVE-2021-38442 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/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-2021-38442"
},
{
"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": "mitigation",
"details": "Do not click web links or open unsolicited attachments in email messages.",
"product_ids": [
"CSAFPID-0001"
]
},
{
"category": "mitigation",
"details": "Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams.",
"product_ids": [
"CSAFPID-0001"
],
"url": "https://us-cert.cisa.gov/sites/default/files/publications/emailscams_0905.pdf"
},
{
"category": "mitigation",
"details": "Refer to Avoiding Social Engineering and Phishing Attacks for more information on social engineering attacks.",
"product_ids": [
"CSAFPID-0001"
],
"url": "https://us-cert.cisa.gov/ncas/tips/ST04-014"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.0"
},
"products": [
"CSAFPID-0001"
]
}
]
},
{
"cve": "CVE-2021-38440",
"cwe": {
"id": "CWE-125",
"name": "Out-of-bounds Read"
},
"notes": [
{
"category": "summary",
"text": "The affected product is vulnerable to an out-of-bounds read, which may allow an attacker to read unauthorized information.CVE-2021-38440 has been assigned to this vulnerability. A CVSS v3 base score of 3.3 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N).",
"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-2021-38440"
},
{
"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:L/I:N/A:N"
}
],
"remediations": [
{
"category": "mitigation",
"details": "Do not click web links or open unsolicited attachments in email messages.",
"product_ids": [
"CSAFPID-0001"
]
},
{
"category": "mitigation",
"details": "Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams.",
"product_ids": [
"CSAFPID-0001"
],
"url": "https://us-cert.cisa.gov/sites/default/files/publications/emailscams_0905.pdf"
},
{
"category": "mitigation",
"details": "Refer to Avoiding Social Engineering and Phishing Attacks for more information on social engineering attacks.",
"product_ids": [
"CSAFPID-0001"
],
"url": "https://us-cert.cisa.gov/ncas/tips/ST04-014"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 3.3,
"baseSeverity": "LOW",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
"version": "3.0"
},
"products": [
"CSAFPID-0001"
]
}
]
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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