FKIE_CVE-2023-32170

Vulnerability from fkie_nvd - Published: 2024-05-03 02:15 - Updated: 2025-08-08 14:10
Severity ?
6.5 (Medium) - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Summary
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.
References
zdi-disclosures@trendmicro.comhttps://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txtRelease Notes
zdi-disclosures@trendmicro.comhttps://www.zerodayinitiative.com/advisories/ZDI-23-775/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txtRelease Notes
af854a3a-2127-422b-91ae-364da2661108https://www.zerodayinitiative.com/advisories/ZDI-23-775/Third Party Advisory
Impacted products
Vendor Product Version
unified-automation uagateway *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:unified-automation:uagateway:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "0198D9C1-4354-4611-A3F3-16059270B375",
              "versionEndExcluding": "1.5.13.487",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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.\n\nThe 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."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de denegaci\u00f3n de servicio de validaci\u00f3n de entrada incorrecta del servidor UaGateway OPC UA de Unified Automation. Esta vulnerabilidad permite a atacantes remotos crear una condici\u00f3n de denegaci\u00f3n de servicio en las instalaciones afectadas de Unified Automation UaGateway. Se requiere la interacci\u00f3n del usuario para aprovechar esta vulnerabilidad, ya que el objetivo debe elegir aceptar un certificado de cliente. La falla espec\u00edfica existe en el procesamiento de certificados de clientes. El problema se debe a la falta de validaci\u00f3n adecuada de los datos del certificado. Un atacante puede aprovechar esta vulnerabilidad para crear una condici\u00f3n de denegaci\u00f3n de servicio en el sistema. Era ZDI-CAN-20494."
    }
  ],
  "id": "CVE-2023-32170",
  "lastModified": "2025-08-08T14:10:59.573",
  "metrics": {
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "zdi-disclosures@trendmicro.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2024-05-03T02:15:22.410",
  "references": [
    {
      "source": "zdi-disclosures@trendmicro.com",
      "tags": [
        "Release Notes"
      ],
      "url": "https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt"
    },
    {
      "source": "zdi-disclosures@trendmicro.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-23-775/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes"
      ],
      "url": "https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txt"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.zerodayinitiative.com/advisories/ZDI-23-775/"
    }
  ],
  "sourceIdentifier": "zdi-disclosures@trendmicro.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "zdi-disclosures@trendmicro.com",
      "type": "Secondary"
    }
  ]
}


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