{
    "CVE_data_meta": {
        "ASSIGNER": "openssl-security@openssl.org",
        "DATE_PUBLIC": "2017-01-26",
        "ID": "CVE-2017-3730",
        "STATE": "PUBLIC",
        "TITLE": "Bad (EC)DHE parameters cause a client crash"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "OpenSSL",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "openssl-1.1.0"
                                        },
                                        {
                                            "version_value": "openssl-1.1.0a"
                                        },
                                        {
                                            "version_value": "openssl-1.1.0b"
                                        },
                                        {
                                            "version_value": "openssl-1.1.0c"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "OpenSSL"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Guido Vranken"
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In OpenSSL 1.1.0 before 1.1.0d, if a malicious server supplies bad parameters for a DHE or ECDHE key exchange then this can result in the client attempting to dereference a NULL pointer leading to a client crash. This could be exploited in a Denial of Service attack."
            }
        ]
    },
    "impact": [
        {
            "lang": "eng",
            "url": "https://www.openssl.org/policies/secpolicy.html#Moderate",
            "value": "Moderate"
        }
    ],
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "NULL pointer deference"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html",
                "refsource": "CONFIRM",
                "url": "http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html"
            },
            {
                "name": "41192",
                "refsource": "EXPLOIT-DB",
                "url": "https://www.exploit-db.com/exploits/41192/"
            },
            {
                "name": "95812",
                "refsource": "BID",
                "url": "http://www.securityfocus.com/bid/95812"
            },
            {
                "name": "https://github.com/openssl/openssl/commit/efbe126e3ebb9123ac9d058aa2bb044261342aaa",
                "refsource": "MISC",
                "url": "https://github.com/openssl/openssl/commit/efbe126e3ebb9123ac9d058aa2bb044261342aaa"
            },
            {
                "name": "https://www.openssl.org/news/secadv/20170126.txt",
                "refsource": "CONFIRM",
                "url": "https://www.openssl.org/news/secadv/20170126.txt"
            },
            {
                "name": "1037717",
                "refsource": "SECTRACK",
                "url": "http://www.securitytracker.com/id/1037717"
            },
            {
                "name": "http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html",
                "refsource": "CONFIRM",
                "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html"
            },
            {
                "name": "GLSA-201702-07",
                "refsource": "GENTOO",
                "url": "https://security.gentoo.org/glsa/201702-07"
            },
            {
                "name": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03838en_us",
                "refsource": "CONFIRM",
                "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03838en_us"
            }
        ]
    }
}