{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2019-15608",
        "ASSIGNER": "support@hackerone.com",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "yarn",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "Fixed in 1.19.0"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Business Logic Errors (CWE-840)"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "name": "https://hackerone.com/reports/703138",
                "url": "https://hackerone.com/reports/703138"
            },
            {
                "refsource": "MISC",
                "name": "https://github.com/yarnpkg/yarn/commit/0474b8c66a8ea298f5e4dedc67b2de464297ad1c",
                "url": "https://github.com/yarnpkg/yarn/commit/0474b8c66a8ea298f5e4dedc67b2de464297ad1c"
            },
            {
                "refsource": "MISC",
                "name": "https://github.com/yarnpkg/yarn/blob/master/CHANGELOG.md#1190",
                "url": "https://github.com/yarnpkg/yarn/blob/master/CHANGELOG.md#1190"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The package integrity validation in yarn < 1.19.0 contains a TOCTOU vulnerability where the hash is computed before writing a package to cache. It's not computed again when reading from the cache. This may lead to a cache pollution attack."
            }
        ]
    }
}