cvelist/2022/1xxx/CVE-2022-1891.json

{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2022-1891",
        "ASSIGNER": "psirt@lenovo.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A buffer overflow in the SystemLoadDefaultDxe driver in some Lenovo Notebook products may allow an attacker with local privileges to execute arbitrary code."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-122 Heap-based Buffer Overflow",
                        "cweId": "CWE-122"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Lenovo",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "BIOS",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "various",
                                            "version_affected": "="
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://support.lenovo.com/us/en/product_security/LEN-91369",
                "refsource": "MISC",
                "name": "https://support.lenovo.com/us/en/product_security/LEN-91369"
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.1.0-dev"
    },
    "source": {
        "discovery": "EXTERNAL"
    },
    "solution": [
        {
            "lang": "en",
            "supportingMedia": [
                {
                    "base64": false,
                    "type": "text/html",
                    "value": "Update system firmware to the version (or newer) indicated for your model in the product Impact section of LEN-91369<br>"
                }
            ],
            "value": "Update system firmware to the version (or newer) indicated for your model in the product Impact section of LEN-91369\n"
        }
    ],
    "credits": [
        {
            "lang": "en",
            "value": "Lenovo thanks Martin Smol\u00e1r from ESET for reporting these issues."
        }
    ],
    "impact": {
        "cvss": [
            {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 6.7,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "HIGH",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
            }
        ]
    }
}