{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2018-20834",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "n/a"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A vulnerability was found in node-tar before version 4.4.2 (excluding version 2.2.2). An Arbitrary File Overwrite issue exists when extracting a tarball containing a hardlink to a file that already exists on the system, in conjunction with a later plain file with the same name as the hardlink. This plain file content replaces the existing file content. A patch has been applied to node-tar v2.2.2)."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "url": "https://hackerone.com/reports/344595",
                "refsource": "MISC",
                "name": "https://hackerone.com/reports/344595"
            },
            {
                "url": "https://github.com/npm/node-tar/commit/b0c58433c22f5e7fe8b1c76373f27e3f81dcd4c8",
                "refsource": "MISC",
                "name": "https://github.com/npm/node-tar/commit/b0c58433c22f5e7fe8b1c76373f27e3f81dcd4c8"
            },
            {
                "url": "https://github.com/npm/node-tar/compare/58a8d43...a5f7779",
                "refsource": "MISC",
                "name": "https://github.com/npm/node-tar/compare/58a8d43...a5f7779"
            },
            {
                "refsource": "REDHAT",
                "name": "RHSA-2019:1821",
                "url": "https://access.redhat.com/errata/RHSA-2019:1821"
            },
            {
                "refsource": "MISC",
                "name": "https://nvd.nist.gov/vuln/detail/CVE-2018-20834",
                "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-20834"
            },
            {
                "refsource": "MISC",
                "name": "https://github.com/npm/node-tar/commit/7ecef07da6a9e72cc0c4d0c9c6a8e85b6b52395d",
                "url": "https://github.com/npm/node-tar/commit/7ecef07da6a9e72cc0c4d0c9c6a8e85b6b52395d"
            },
            {
                "refsource": "MISC",
                "name": "https://github.com/npm/node-tar/commits/v2.2.2",
                "url": "https://github.com/npm/node-tar/commits/v2.2.2"
            }
        ]
    }
}