{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2019-12290",
        "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": "GNU libidn2 before 2.2.0 fails to perform the roundtrip checks specified in RFC3490 Section 4.2 when converting A-labels to U-labels. This makes it possible in some circumstances for one domain to impersonate another. By creating a malicious domain that matches a target domain except for the inclusion of certain punycoded Unicode characters (that would be discarded when converted first to a Unicode label and then back to an ASCII label), arbitrary domains can be impersonated."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "url": "https://gitlab.com/libidn/libidn2/merge_requests/71",
                "refsource": "MISC",
                "name": "https://gitlab.com/libidn/libidn2/merge_requests/71"
            },
            {
                "url": "https://gitlab.com/libidn/libidn2/commit/241e8f486134793cb0f4a5b0e5817a97883401f5",
                "refsource": "MISC",
                "name": "https://gitlab.com/libidn/libidn2/commit/241e8f486134793cb0f4a5b0e5817a97883401f5"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://gitlab.com/libidn/libidn2/commit/614117ef6e4c60e1950d742e3edf0a0ef8d389de",
                "url": "https://gitlab.com/libidn/libidn2/commit/614117ef6e4c60e1950d742e3edf0a0ef8d389de"
            },
            {
                "refsource": "UBUNTU",
                "name": "USN-4168-1",
                "url": "https://usn.ubuntu.com/4168-1/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2019-f454c7a118",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U6ZXL2RDNQRAHCMKWPOMJFKYJ344X4HL/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2019-20e9736c97",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3UFT76Y7OSGPZV3EBEHD6ISVUM3DLARM/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2019-28d3cd20c0",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KXDKYWFV6N2HHVSE67FFDM7G3FEL2ZNE/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2019-1ebb5c928e",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RSI4TI2JTQWQ3YEUX5X36GTVGKO4QKZ5/"
            },
            {
                "refsource": "SUSE",
                "name": "openSUSE-SU-2019:2611",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00009.html"
            },
            {
                "refsource": "SUSE",
                "name": "openSUSE-SU-2019:2613",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00008.html"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2019-160303ebeb",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ONG3GJRRJO35COPGVJXXSZLU4J5Y42AT/"
            },
            {
                "refsource": "GENTOO",
                "name": "GLSA-202003-63",
                "url": "https://security.gentoo.org/glsa/202003-63"
            }
        ]
    }
}