{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2018-20217",
        "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": "A Reachable Assertion issue was discovered in the KDC in MIT Kerberos 5 (aka krb5) before 1.17. If an attacker can obtain a krbtgt ticket using an older encryption type (single-DES, triple-DES, or RC4), the attacker can crash the KDC by making an S4U2Self request."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "FEDORA-2018-7db7ccda4d",
                "refsource": "FEDORA",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2KNHELH4YHNT6H2ESJWX2UIDXLBNGB2O/"
            },
            {
                "name": "http://krbdev.mit.edu/rt/Ticket/Display.html?id=8763",
                "refsource": "CONFIRM",
                "url": "http://krbdev.mit.edu/rt/Ticket/Display.html?id=8763"
            },
            {
                "name": "https://github.com/krb5/krb5/commit/5e6d1796106df8ba6bc1973ee0917c170d929086",
                "refsource": "CONFIRM",
                "url": "https://github.com/krb5/krb5/commit/5e6d1796106df8ba6bc1973ee0917c170d929086"
            },
            {
                "name": "[debian-lts-announce] 20190125 [SECURITY] [DLA 1643-1] krb5 security update",
                "refsource": "MLIST",
                "url": "https://lists.debian.org/debian-lts-announce/2019/01/msg00020.html"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://security.netapp.com/advisory/ntap-20190416-0006/",
                "url": "https://security.netapp.com/advisory/ntap-20190416-0006/"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20210930 [SECURITY] [DLA 2771-1] krb5 security update",
                "url": "https://lists.debian.org/debian-lts-announce/2021/09/msg00019.html"
            }
        ]
    }
}