{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2019-13628",
        "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": "wolfSSL and wolfCrypt 4.0.0 and earlier (when configured without --enable-fpecc, --enable-sp, or --enable-sp-math) contain a timing side channel in ECDSA signature generation. This allows a local attacker, able to precisely measure the duration of signature operations, to infer information about the nonces used and potentially mount a lattice attack to recover the private key used. The issue occurs because ecc.c scalar multiplication might leak the bit length."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "url": "https://eprint.iacr.org/2011/232.pdf",
                "refsource": "MISC",
                "name": "https://eprint.iacr.org/2011/232.pdf"
            },
            {
                "url": "https://tches.iacr.org/index.php/TCHES/article/view/7337",
                "refsource": "MISC",
                "name": "https://tches.iacr.org/index.php/TCHES/article/view/7337"
            },
            {
                "refsource": "MLIST",
                "name": "[oss-security] 20191002 Minerva: ECDSA key recovery from bit-length leakage",
                "url": "http://www.openwall.com/lists/oss-security/2019/10/02/2"
            },
            {
                "refsource": "MISC",
                "name": "https://minerva.crocs.fi.muni.cz/",
                "url": "https://minerva.crocs.fi.muni.cz/"
            }
        ]
    }
}