cvelist/2019/11xxx/CVE-2019-11340.json

{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2019-11340",
        "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": "util/emailutils.py in Matrix Sydent before 1.0.2 mishandles registration restrictions that are based on e-mail domain, if the allowed_local_3pids option is enabled. This occurs because of potentially unwanted behavior in Python, in which an email.utils.parseaddr call on user@bad.example.net@good.example.com returns the user@bad.example.net substring."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "url": "https://twitter.com/matrixdotorg/status/1118934335963500545",
                "refsource": "MISC",
                "name": "https://twitter.com/matrixdotorg/status/1118934335963500545"
            },
            {
                "url": "https://matrix.org/blog/2019/04/18/security-update-sydent-1-0-2/",
                "refsource": "MISC",
                "name": "https://matrix.org/blog/2019/04/18/security-update-sydent-1-0-2/"
            },
            {
                "url": "https://github.com/matrix-org/sydent/commit/4e1cfff53429c49c87d5c457a18ed435520044fc",
                "refsource": "MISC",
                "name": "https://github.com/matrix-org/sydent/commit/4e1cfff53429c49c87d5c457a18ed435520044fc"
            },
            {
                "url": "https://github.com/matrix-org/sydent/compare/7c002cd...09278fb",
                "refsource": "MISC",
                "name": "https://github.com/matrix-org/sydent/compare/7c002cd...09278fb"
            }
        ]
    }
}