SSA-730482
Vulnerability from csaf_siemens - Published: 2024-04-09 00:00 - Updated: 2025-01-14 00:00Summary
SSA-730482: Denial of Service Vulnerability in SIMATIC WinCC
Notes
Summary: A vulnerability in the login dialog box of SIMATIC WinCC could allow a local attacker to cause a denial of service condition in the runtime of the SCADA system.
Siemens has released new versions for the affected products and recommends to update to the latest versions.
General Recommendations: 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:
https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.
Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity
Additional Resources: For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories
Terms of Use: The use of Siemens Security Advisories is subject to the terms and conditions listed on: https://www.siemens.com/productcert/terms-of-use.
CWE-120
- Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Mitigation
Activate SIMATIC Logon in the User Administrator of the SIMATIC PCS 7 Operator Stations
Vendor Fix
Update to V17 Update 8 or later version
Vendor Fix
Update to V18 Update 4 or later version
Vendor Fix
Update to V19 Update 1 or later version
Vendor Fix
Update to V7.5 SP2 Update 16 or later version
https://support.industry.siemens.com/cs/ww/en/vie…
Vendor Fix
Update to V8.0 Update 5 or later version
Vendor Fix
Update to V9.1 SP2 UC04 or later version
https://support.industry.siemens.com/cs/ww/en/vie…
References
{
"document": {
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Disclosure is not limited. (TLPv2: TLP:CLEAR)",
"tlp": {
"label": "WHITE"
}
},
"lang": "en",
"notes": [
{
"category": "summary",
"text": "A vulnerability in the login dialog box of SIMATIC WinCC could allow a local attacker to cause a denial of service condition in the runtime of the SCADA system.\n\nSiemens has released new versions 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\u0027 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: https://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": "The use of Siemens Security Advisories is subject to the terms and conditions listed on: https://www.siemens.com/productcert/terms-of-use.",
"title": "Terms of Use"
}
],
"publisher": {
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"contact_details": "productcert@siemens.com",
"name": "Siemens ProductCERT",
"namespace": "https://www.siemens.com"
},
"references": [
{
"category": "self",
"summary": "SSA-730482: Denial of Service Vulnerability in SIMATIC WinCC - HTML Version",
"url": "https://cert-portal.siemens.com/productcert/html/ssa-730482.html"
},
{
"category": "self",
"summary": "SSA-730482: Denial of Service Vulnerability in SIMATIC WinCC - CSAF Version",
"url": "https://cert-portal.siemens.com/productcert/csaf/ssa-730482.json"
}
],
"title": "SSA-730482: Denial of Service Vulnerability in SIMATIC WinCC",
"tracking": {
"current_release_date": "2025-01-14T00:00:00Z",
"generator": {
"engine": {
"name": "Siemens ProductCERT CSAF Generator",
"version": "1"
}
},
"id": "SSA-730482",
"initial_release_date": "2024-04-09T00:00:00Z",
"revision_history": [
{
"date": "2024-04-09T00:00:00Z",
"legacy_version": "1.0",
"number": "1",
"summary": "Publication Date"
},
{
"date": "2024-07-09T00:00:00Z",
"legacy_version": "1.1",
"number": "2",
"summary": "Added fix for SIMATIC WinCC V8.0 and SIMATIC WinCC Runtime Professional V18"
},
{
"date": "2025-01-14T00:00:00Z",
"legacy_version": "1.2",
"number": "3",
"summary": "Added fix for SIMATIC WinCC Runtime Professional V17"
}
],
"status": "interim",
"version": "3"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "All versions \u003c V9.1 SP2 UC04",
"product": {
"name": "SIMATIC PCS 7 V9.1",
"product_id": "1"
}
}
],
"category": "product_name",
"name": "SIMATIC PCS 7 V9.1"
},
{
"branches": [
{
"category": "product_version_range",
"name": "All versions \u003c V17 Update 8",
"product": {
"name": "SIMATIC WinCC Runtime Professional V17",
"product_id": "2"
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}
],
"category": "product_name",
"name": "SIMATIC WinCC Runtime Professional V17"
},
{
"branches": [
{
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"product": {
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}
}
],
"category": "product_name",
"name": "SIMATIC WinCC Runtime Professional V18"
},
{
"branches": [
{
"category": "product_version_range",
"name": "All versions \u003c V19 Update 1",
"product": {
"name": "SIMATIC WinCC Runtime Professional V19",
"product_id": "4"
}
}
],
"category": "product_name",
"name": "SIMATIC WinCC Runtime Professional V19"
},
{
"branches": [
{
"category": "product_version_range",
"name": "All versions \u003c V7.5 SP2 Update 16",
"product": {
"name": "SIMATIC WinCC V7.5",
"product_id": "5"
}
}
],
"category": "product_name",
"name": "SIMATIC WinCC V7.5"
},
{
"branches": [
{
"category": "product_version_range",
"name": "All versions \u003c V8.0 Update 5",
"product": {
"name": "SIMATIC WinCC V8.0",
"product_id": "6"
}
}
],
"category": "product_name",
"name": "SIMATIC WinCC V8.0"
}
],
"category": "vendor",
"name": "Siemens"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2023-50821",
"cwe": {
"id": "CWE-120",
"name": "Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)"
},
"notes": [
{
"category": "summary",
"text": "The affected products do not properly validate the input provided in the login dialog box. An attacker could leverage this vulnerability to cause a persistent denial of service condition.",
"title": "Summary"
}
],
"product_status": {
"known_affected": [
"1",
"2",
"3",
"4",
"5",
"6"
]
},
"remediations": [
{
"category": "mitigation",
"details": "Activate SIMATIC Logon in the User Administrator of the SIMATIC PCS 7 Operator Stations",
"product_ids": [
"1",
"2",
"3",
"4",
"5",
"6"
]
},
{
"category": "vendor_fix",
"details": "Update to V17 Update 8 or later version",
"product_ids": [
"2"
]
},
{
"category": "vendor_fix",
"details": "Update to V18 Update 4 or later version",
"product_ids": [
"3"
]
},
{
"category": "vendor_fix",
"details": "Update to V19 Update 1 or later version",
"product_ids": [
"4"
]
},
{
"category": "vendor_fix",
"details": "Update to V7.5 SP2 Update 16 or later version",
"product_ids": [
"5"
],
"url": "https://support.industry.siemens.com/cs/ww/en/view/109793460/"
},
{
"category": "vendor_fix",
"details": "Update to V8.0 Update 5 or later version",
"product_ids": [
"6"
]
},
{
"category": "vendor_fix",
"details": "Update to V9.1 SP2 UC04 or later version",
"product_ids": [
"1"
],
"url": "https://support.industry.siemens.com/cs/ww/en/view/109812242/"
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 6.2,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C",
"version": "3.1"
},
"products": [
"1",
"2",
"3",
"4",
"5",
"6"
]
}
],
"title": "CVE-2023-50821"
}
]
}
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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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