cvelist/2018/10xxx/CVE-2018-10903.json

{
    "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2018-10903",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "python-cryptography",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "2.3"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "[UNKNOWN]"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A flaw was found in python-cryptography versions between >=1.9.0 and <2.3. The finalize_with_tag API did not enforce a minimum tag length. If a user did not validate the input length prior to passing it to finalize_with_tag an attacker could craft an invalid payload with a shortened tag (e.g. 1 byte) such that they would have a 1 in 256 chance of passing the MAC check. GCM tag forgeries can cause key leakage."
            }
        ]
    },
    "impact": {
        "cvss": [
            [
                {
                    "vectorString": "7.5/CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                    "version": "3.0"
                }
            ]
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-20"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "RHSA-2018:3600",
                "refsource": "REDHAT",
                "url": "https://access.redhat.com/errata/RHSA-2018:3600"
            },
            {
                "name": "USN-3720-1",
                "refsource": "UBUNTU",
                "url": "https://usn.ubuntu.com/3720-1/"
            },
            {
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10903",
                "refsource": "CONFIRM",
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10903"
            },
            {
                "name": "https://github.com/pyca/cryptography/pull/4342/commits/688e0f673bfbf43fa898994326c6877f00ab19ef",
                "refsource": "CONFIRM",
                "url": "https://github.com/pyca/cryptography/pull/4342/commits/688e0f673bfbf43fa898994326c6877f00ab19ef"
            }
        ]
    }
}