{
    "CVE_data_meta": {
        "ASSIGNER": "vulnerabilities@zephyrproject.org",
        "DATE_PUBLIC": "2020-05-01T00:00:00.000Z",
        "ID": "CVE-2020-10023",
        "STATE": "PUBLIC",
        "TITLE": "Shell Subsystem Contains a Buffer Overflow Vulnerability In shell_spaces_trim"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "zephyr",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": ">=",
                                            "version_value": "1.14.0"
                                        },
                                        {
                                            "version_affected": ">=",
                                            "version_value": "2.1.0"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "zephyrproject-rtos"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "NCC Group for report"
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The shell subsystem contains a buffer overflow, whereby an adversary with physical access to the device is able to cause a memory corruption, resulting in denial of service or possibly code execution within the Zephyr kernel. See NCC-NCC-019 This issue affects: zephyrproject-rtos zephyr version 1.14.0 and later versions. version 2.1.0 and later versions."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "PHYSICAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-120 Buffer Overflow"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-29",
                "name": "https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-29"
            },
            {
                "refsource": "MISC",
                "url": "https://github.com/zephyrproject-rtos/zephyr/pull/23304",
                "name": "https://github.com/zephyrproject-rtos/zephyr/pull/23304"
            },
            {
                "refsource": "MISC",
                "url": "https://github.com/zephyrproject-rtos/zephyr/pull/23646",
                "name": "https://github.com/zephyrproject-rtos/zephyr/pull/23646"
            },
            {
                "refsource": "MISC",
                "url": "https://github.com/zephyrproject-rtos/zephyr/pull/23649",
                "name": "https://github.com/zephyrproject-rtos/zephyr/pull/23649"
            },
            {
                "refsource": "MISC",
                "url": "https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10023",
                "name": "https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10023"
            }
        ]
    },
    "source": {
        "defect": [
            "https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-29"
        ],
        "discovery": "EXTERNAL"
    }
}