{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2024-38531",
        "ASSIGNER": "security-advisories@github.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Nix is a package manager for Linux and other Unix systems that makes package management reliable and reproducible. A build process has access to and can change the permissions of the build directory. After creating a setuid binary in a globally accessible location, a malicious local user can assume the permissions of a Nix daemon worker and hijack all future builds. This issue was patched in version(s) 2.23.1, 2.22.2, 2.21.3, 2.20.7, 2.19.5 and 2.18.4."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-278: Insecure Preserved Inherited Permissions",
                        "cweId": "CWE-278"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "NixOS",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "nix",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": ">= 2.23.0, < 2.23.1"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": ">= 2.22.0, < 2.22.2"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": ">= 2.21.0, < 2.21.3"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": ">= 2.20.0, < 2.20.7"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": ">= 2.19.0, < 2.19.5"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": ">= 2.18.0, < 2.18.4"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://github.com/NixOS/nix/security/advisories/GHSA-q82p-44mg-mgh5",
                "refsource": "MISC",
                "name": "https://github.com/NixOS/nix/security/advisories/GHSA-q82p-44mg-mgh5"
            },
            {
                "url": "https://github.com/NixOS/nix/pull/10501",
                "refsource": "MISC",
                "name": "https://github.com/NixOS/nix/pull/10501"
            }
        ]
    },
    "source": {
        "advisory": "GHSA-q82p-44mg-mgh5",
        "discovery": "UNKNOWN"
    },
    "impact": {
        "cvss": [
            {
                "attackComplexity": "HIGH",
                "attackVector": "LOCAL",
                "availabilityImpact": "LOW",
                "baseScore": 3.6,
                "baseSeverity": "LOW",
                "confidentialityImpact": "NONE",
                "integrityImpact": "LOW",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L",
                "version": "3.1"
            }
        ]
    }
}