CVE-2023-32170
Unified Automation UaGateway OPC UA Server Improper Input Validation Denial-of-Service Vulnerability
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
Unified Automation UaGateway OPC UA Server Improper Input Validation Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation UaGateway. User interaction is required to exploit this vulnerability in that the target must choose to accept a client certificate.
The specific flaw exists within the processing of client certificates. The issue results from the lack of proper validation of certificate data. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20494.
Vulnerabilidad de denegación de servicio de validación de entrada incorrecta del servidor UaGateway OPC UA de Unified Automation. Esta vulnerabilidad permite a atacantes remotos crear una condición de denegación de servicio en las instalaciones afectadas de Unified Automation UaGateway. Se requiere la interacción del usuario para aprovechar esta vulnerabilidad, ya que el objetivo debe elegir aceptar un certificado de cliente. La falla específica existe en el procesamiento de certificados de clientes. El problema se debe a la falta de validación adecuada de los datos del certificado. Un atacante puede aprovechar esta vulnerabilidad para crear una condición de denegación de servicio en el sistema. Era ZDI-CAN-20494.
This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation UaGateway. User interaction is required to exploit this vulnerability in that the target must choose to accept a client certificate.
The specific flaw exists within the processing of client certificates. The issue results from the lack of proper validation of certificate data. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.
CVSS Scores
SSVC
- Decision:Track*
Timeline
- 2023-05-03 CVE Reserved
- 2023-05-31 CVE Published
- 2024-05-03 EPSS Updated
- 2024-08-02 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-20: Improper Input Validation
CAPEC
References (2)
URL | Tag | Source |
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https://www.zerodayinitiative.com/advisories/ZDI-23-775 | X_research Advisory |
URL | Date | SRC |
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URL | Date | SRC |
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URL | Date | SRC |
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https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt | 2024-05-03 |
Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Unified Automation Search vendor "Unified Automation" | UaGateway Search vendor "Unified Automation" for product "UaGateway" | 1.5.12.482 Search vendor "Unified Automation" for product "UaGateway" and version "1.5.12.482" | en |
Affected
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