{
    "CVE_data_meta": {
        "ASSIGNER": "zdi-disclosures@trendmicro.com",
        "ID": "CVE-2022-37013",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "OPC UA C++ Demo Server",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "1.7.6-537 [with vendor rollup]"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Unified Automation"
                }
            ]
        }
    },
    "credit": "Daan Keuper & Thijs Alkemade from Computest",
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "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 [with vendor rollup]. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of certificates. A crafted certificate can force the server into an infinite loop. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-17203."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "url": "https://documentation.unified-automation.com/uasdkcpp/1.7.7/CHANGELOG.txt",
                "refsource": "MISC",
                "name": "https://documentation.unified-automation.com/uasdkcpp/1.7.7/CHANGELOG.txt"
            },
            {
                "url": "https://www.zerodayinitiative.com/advisories/ZDI-22-1029/",
                "refsource": "MISC",
                "name": "https://www.zerodayinitiative.com/advisories/ZDI-22-1029/"
            }
        ]
    },
    "impact": {
        "cvss": {
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
        }
    }
}