cvelist/2021/41xxx/CVE-2021-41159.json

{
    "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2021-41159",
        "STATE": "PUBLIC",
        "TITLE": "Improper client input validation for FreeRDP gateway connections allows to overwrite memory"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "FreeRDP",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "< 2.4.1"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "FreeRDP"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. All FreeRDP clients prior to version 2.4.1 using gateway connections (`/gt:rpc`) fail to validate input data. A malicious gateway might allow client memory to be written out of bounds. This issue has been resolved in version 2.4.1. If you are unable to update then use `/gt:http` rather than /gt:rdp connections if possible or use a direct connection without a gateway."
            }
        ]
    },
    "impact": {
        "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-787: Out-of-bounds Write"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-vh34-m9h7-95xq",
                "refsource": "CONFIRM",
                "url": "https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-vh34-m9h7-95xq"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-2c25f03d0b",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DWJXQOWKNR7O5HM2HFJOM4GBUFPTE3RG/"
            },
            {
                "refsource": "GENTOO",
                "name": "GLSA-202210-24",
                "url": "https://security.gentoo.org/glsa/202210-24"
            }
        ]
    },
    "source": {
        "advisory": "GHSA-vh34-m9h7-95xq",
        "discovery": "UNKNOWN"
    }
}