{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2023-27536",
        "ASSIGNER": "support@hackerone.com",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "https://github.com/curl/curl",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "Fixed in 8.0.0"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Authentication Bypass by Primary Weakness (CWE-305)"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "name": "https://hackerone.com/reports/1895135",
                "url": "https://hackerone.com/reports/1895135"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2023-7e7414e64d",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/36NBD5YLJXXEDZLDGNFCERWRYJQ6LAQW/"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://security.netapp.com/advisory/ntap-20230420-0010/",
                "url": "https://security.netapp.com/advisory/ntap-20230420-0010/"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20230421 [SECURITY] [DLA 3398-1] curl security update",
                "url": "https://lists.debian.org/debian-lts-announce/2023/04/msg00025.html"
            },
            {
                "refsource": "GENTOO",
                "name": "GLSA-202310-12",
                "url": "https://security.gentoo.org/glsa/202310-12"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "An authentication bypass vulnerability exists libcurl <8.0.0 in the connection reuse feature which can reuse previously established connections with incorrect user permissions due to a failure to check for changes in the CURLOPT_GSSAPI_DELEGATION option. This vulnerability affects krb5/kerberos/negotiate/GSSAPI transfers and could potentially result in unauthorized access to sensitive information. The safest option is to not reuse connections if the CURLOPT_GSSAPI_DELEGATION option has been changed."
            }
        ]
    }
}