{
    "CVE_data_meta": {
        "ASSIGNER": "secure@microsoft.com",
        "ID": "CVE-2011-0040",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "n/a"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The server in Microsoft Active Directory on Windows Server 2003 SP2 does not properly handle an update request for a service principal name (SPN), which allows remote attackers to cause a denial of service (authentication downgrade or outage) via a crafted request that triggers name collisions, aka \"Active Directory SPN Validation Vulnerability.\""
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "MS11-005",
                "refsource": "MS",
                "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-005"
            },
            {
                "name": "70825",
                "refsource": "OSVDB",
                "url": "http://osvdb.org/70825"
            },
            {
                "name": "ADV-2011-0319",
                "refsource": "VUPEN",
                "url": "http://www.vupen.com/english/advisories/2011/0319"
            },
            {
                "name": "1025042",
                "refsource": "SECTRACK",
                "url": "http://www.securitytracker.com/id?1025042"
            },
            {
                "name": "43215",
                "refsource": "SECUNIA",
                "url": "http://secunia.com/advisories/43215"
            },
            {
                "name": "ms-win-active-directory-dos(64915)",
                "refsource": "XF",
                "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/64915"
            },
            {
                "name": "46145",
                "refsource": "BID",
                "url": "http://www.securityfocus.com/bid/46145"
            },
            {
                "name": "oval:org.mitre.oval:def:12485",
                "refsource": "OVAL",
                "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12485"
            }
        ]
    }
}