cvelist/2021/42xxx/CVE-2021-42553.json

{
    "CVE_data_meta": {
        "ASSIGNER": "vulnerability@ncsc.ch",
        "ID": "CVE-2021-42553",
        "STATE": "PUBLIC",
        "TITLE": "STM32 USB Host Library Buffer Overflow"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "STM32 USB Host Library",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "all",
                                            "version_value": "3.5.1"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "STMicroelectronics STM32Cube "
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "github.com/Defonceuse"
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A buffer overflow vulnerability in stm32_mw_usb_host of STMicroelectronics in versions before 3.5.1 allows an attacker to execute arbitrary code when the descriptor contains more endpoints than USBH_MAX_NUM_ENDPOINTS. The library is typically integrated when using a RTOS such as FreeRTOS on STM32 MCUs."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "PHYSICAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "buffer overflow"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://github.com/STMicroelectronics/stm32_mw_usb_host/pull/4",
                "refsource": "CONFIRM",
                "url": "https://github.com/STMicroelectronics/stm32_mw_usb_host/pull/4"
            },
            {
                "name": "https://github.com/STMicroelectronics/stm32_mw_usb_host",
                "refsource": "MISC",
                "url": "https://github.com/STMicroelectronics/stm32_mw_usb_host"
            }
        ]
    },
    "source": {
        "discovery": "EXTERNAL"
    }
}