GSD-2022-37012

Vulnerability from gsd - Updated: 2023-12-13 01:19
Details
This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation OPC UA C++ Demo Server 1.7.6-537. Authentication is not required to exploit this vulnerability. The specific flaw exists within the OpcUa_SecureListener_ProcessSessionCallRequest method. A crafted OPC UA message can force the server to incorrectly update a reference count. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-16927.
Aliases
Aliases
CVE-2022-37012
To clipboard 

{
  "GSD": {
    "alias": "CVE-2022-37012",
    "id": "GSD-2022-37012"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2022-37012"
      ],
      "details": "This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation OPC UA C++ Demo Server 1.7.6-537. Authentication is not required to exploit this vulnerability. The specific flaw exists within the OpcUa_SecureListener_ProcessSessionCallRequest method. A crafted OPC UA message can force the server to incorrectly update a reference count. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-16927.",
      "id": "GSD-2022-37012",
      "modified": "2023-12-13T01:19:13.543450Z",
      "schema_version": "1.4.0"
    }
  },
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        "ID": "CVE-2022-37012",
        "STATE": "PUBLIC"
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      "affects": {
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            {
              "product": {
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                  {
                    "product_name": "OPC UA C++ Demo Server",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "1.7.6-537"
                        }
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              },
              "vendor_name": "Unified Automation"
            }
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      },
      "credit": "20urdjk",
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
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            "value": "This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation OPC UA C++ Demo Server 1.7.6-537. Authentication is not required to exploit this vulnerability. The specific flaw exists within the OpcUa_SecureListener_ProcessSessionCallRequest method. A crafted OPC UA message can force the server to incorrectly update a reference count. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-16927."
          }
        ]
      },
      "impact": {
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                "value": "CWE-911: Improper Update of Reference Count"
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            "name": "https://www.zerodayinitiative.com/advisories/ZDI-22-1030/",
            "refsource": "MISC",
            "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-1030/"
          },
          {
            "name": "https://documentation.unified-automation.com/uasdkcpp/1.7.7/CHANGELOG.txt",
            "refsource": "MISC",
            "url": "https://documentation.unified-automation.com/uasdkcpp/1.7.7/CHANGELOG.txt"
          }
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    "nvd.nist.gov": {
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        "nodes": [
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                "cpe23Uri": "cpe:2.3:a:unified-automation:opc_ua_c\\+\\+_demo_server:1.7.6.537:*:*:*:*:*:*:*",
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          "ID": "CVE-2022-37012"
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        "description": {
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            }
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            },
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              "name": "https://www.zerodayinitiative.com/advisories/ZDI-22-1030/",
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              "tags": [
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      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2023-04-06T14:32Z",
      "publishedDate": "2023-03-29T19:15Z"
    }
  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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