{
    "CVE_data_meta": {
        "ASSIGNER": "PSIRT@synaptics.com",
        "DATE_PUBLIC": "2022-06-14T22:44:00.000Z",
        "ID": "CVE-2021-3675",
        "STATE": "PUBLIC",
        "TITLE": "synaTEE.signed.dll Out-Of-Bounds Heap Write"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Synaptics Fingerprint Driver",
                                "version": {
                                    "version_data": [
                                        {
                                            "platform": "x86/64",
                                            "version_affected": "<",
                                            "version_name": "5.1.xxx.26",
                                            "version_value": "xxx=340"
                                        },
                                        {
                                            "platform": "x86/64",
                                            "version_affected": "<",
                                            "version_name": "5.2.xxxx.26",
                                            "version_value": "xxxx=3541"
                                        },
                                        {
                                            "platform": "x86/64",
                                            "version_affected": "<",
                                            "version_name": "5.2.2xx.26",
                                            "version_value": "xx=29"
                                        },
                                        {
                                            "platform": "x86/64",
                                            "version_affected": "<",
                                            "version_name": "5.2.3xx.26",
                                            "version_value": "xx=25"
                                        },
                                        {
                                            "platform": "x86/64",
                                            "version_affected": "<",
                                            "version_name": "5.3.xxxx.26",
                                            "version_value": "xxxx=3543"
                                        },
                                        {
                                            "platform": "x86/64",
                                            "version_affected": "<",
                                            "version_name": "5.5.xx.1058",
                                            "version_value": "xx=44"
                                        },
                                        {
                                            "platform": "x86/64",
                                            "version_affected": "<",
                                            "version_name": "5.5.xx.1102",
                                            "version_value": "xx=34"
                                        },
                                        {
                                            "platform": "x86/64",
                                            "version_affected": "<",
                                            "version_name": "5.5.xx.1116",
                                            "version_value": "xx=14"
                                        },
                                        {
                                            "platform": "x86/64",
                                            "version_affected": "<",
                                            "version_name": "6.0.xx.1104",
                                            "version_value": "xx=50"
                                        },
                                        {
                                            "platform": "x86/64",
                                            "version_affected": "<",
                                            "version_name": "6.0.xx.1108",
                                            "version_value": "xx=31"
                                        },
                                        {
                                            "platform": "x86/64",
                                            "version_affected": "<",
                                            "version_name": "6.0.xx.1111",
                                            "version_value": "xx=58"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Synaptics"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Synaptics would like to thank Tobias Cloosters and Johannes Willbold for reporting this issue. "
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Improper Input Validation vulnerability in synaTEE.signed.dll of Synaptics Fingerprint Driver allows a local authorized attacker to overwrite a heap tag, with potential loss of confidentiality. This issue affects: Synaptics Synaptics Fingerprint Driver 5.1.xxx.26 versions prior to xxx=340 on x86/64; 5.2.xxxx.26 versions prior to xxxx=3541 on x86/64; 5.2.2xx.26 versions prior to xx=29 on x86/64; 5.2.3xx.26 versions prior to xx=25 on x86/64; 5.3.xxxx.26 versions prior to xxxx=3543 on x86/64; 5.5.xx.1058 versions prior to xx=44 on x86/64; 5.5.xx.1102 versions prior to xx=34 on x86/64; 5.5.xx.1116 versions prior to xx=14 on x86/64; 6.0.xx.1104 versions prior to xx=50 on x86/64; 6.0.xx.1108 versions prior to xx=31 on x86/64; 6.0.xx.1111 versions prior to xx=58 on x86/64."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-20 Improper Input Validation"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://synaptics.com/sites/default/files/2022-06/fingerprint-driver-SGX-security-brief-2022-06-14.pdf",
                "refsource": "CONFIRM",
                "url": "https://synaptics.com/sites/default/files/2022-06/fingerprint-driver-SGX-security-brief-2022-06-14.pdf"
            },
            {
                "name": "https://support.lenovo.com/us/en/product_security/LEN-68054",
                "refsource": "MISC",
                "url": "https://support.lenovo.com/us/en/product_security/LEN-68054"
            },
            {
                "name": "https://support.hp.com/us-en/document/ish_6411153-6411191-16/hpsbhf03797",
                "refsource": "MISC",
                "url": "https://support.hp.com/us-en/document/ish_6411153-6411191-16/hpsbhf03797"
            }
        ]
    },
    "solution": [
        {
            "lang": "eng",
            "value": "Listed drivers and above have additional input validation. "
        }
    ],
    "source": {
        "discovery": "EXTERNAL"
    }
}