{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2018-20340",
        "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": "Yubico libu2f-host 1.1.6 contains unchecked buffers in devs.c, which could enable a malicious token to exploit a buffer overflow. An attacker could use this to attempt to execute malicious code using a crafted USB device masquerading as a security token on a computer where the affected library is currently in use. It is not possible to perform this attack with a genuine YubiKey."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "url": "https://seclists.org/bugtraq/2019/Feb/23",
                "refsource": "MISC",
                "name": "https://seclists.org/bugtraq/2019/Feb/23"
            },
            {
                "url": "https://www.debian.org/security/2019/dsa-4389",
                "refsource": "MISC",
                "name": "https://www.debian.org/security/2019/dsa-4389"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://www.yubico.com/support/security-advisories/ysa-2019-01/",
                "url": "https://www.yubico.com/support/security-advisories/ysa-2019-01/"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://developers.yubico.com/libu2f-host/Release_Notes.html",
                "url": "https://developers.yubico.com/libu2f-host/Release_Notes.html"
            },
            {
                "refsource": "MISC",
                "name": "https://blog.inhq.net/posts/yubico-libu2f-host-vuln-part1/",
                "url": "https://blog.inhq.net/posts/yubico-libu2f-host-vuln-part1/"
            },
            {
                "refsource": "GENTOO",
                "name": "GLSA-202004-15",
                "url": "https://security.gentoo.org/glsa/202004-15"
            }
        ]
    }
}