cvelist/2021/34xxx/CVE-2021-34345.json

{
    "CVE_data_meta": {
        "ASSIGNER": "security@qnap.com",
        "DATE_PUBLIC": "2021-09-10T09:27:00.000Z",
        "ID": "CVE-2021-34345",
        "STATE": "PUBLIC",
        "TITLE": "Stack Based Overflow Vulnerability in NVR Storage Expansion"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "NVR Storage Expansion",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "1.0.6 ( 2021/08/03 )"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "QNAP Systems Inc."
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "crixer"
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A stack buffer overflow vulnerability has been reported to affect QNAP device running NVR Storage Expansion. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of NVR Storage Expansion: NVR Storage Expansion 1.0.6 ( 2021/08/03 ) and later"
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-787 Out-of-bounds Write"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://www.qnap.com/en/security-advisory/qsa-21-36",
                "name": "https://www.qnap.com/en/security-advisory/qsa-21-36"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "We have already fixed this vulnerability in the following versions of NVR Storage Expansion:\nNVR Storage Expansion 1.0.6 ( 2021/08/03 ) and later\n"
        }
    ],
    "source": {
        "advisory": "QSA-21-36",
        "discovery": "EXTERNAL"
    }
}