{
    "CVE_data_meta": {
        "ASSIGNER": "secure@microsoft.com",
        "ID": "CVE-2017-0247",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "ASP.NET Core",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "ASP.NET Core"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Microsoft Corporation"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A denial of service vulnerability exists when the ASP.NET Core fails to properly validate web requests. NOTE: Microsoft has not commented on third-party claims that the issue is that the TextEncoder.EncodeCore function in the System.Text.Encodings.Web package in ASP.NET Core Mvc before 1.0.4 and 1.1.x before 1.1.3 allows remote attackers to cause a denial of service by leveraging failure to properly calculate the length of 4-byte characters in the Unicode Non-Character range."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Denial of Service"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://technet.microsoft.com/en-us/library/security/4021279.aspx",
                "refsource": "CONFIRM",
                "url": "https://technet.microsoft.com/en-us/library/security/4021279.aspx"
            },
            {
                "name": "https://github.com/aspnet/Announcements/issues/239",
                "refsource": "MISC",
                "url": "https://github.com/aspnet/Announcements/issues/239"
            },
            {
                "name": "https://www.sidertia.com/Home/Community/Blog/2017/05/18/ASPNET-Core-Unicode-Non-Char-Encoding-DoS",
                "refsource": "MISC",
                "url": "https://www.sidertia.com/Home/Community/Blog/2017/05/18/ASPNET-Core-Unicode-Non-Char-Encoding-DoS"
            }
        ]
    }
}