{
    "CVE_data_meta": {
        "ASSIGNER": "support@hackerone.com",
        "ID": "CVE-2017-0881",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Zulip Server Versions 1.4.2 and below",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "Zulip Server Versions 1.4.2 and below"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "n/a"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "An error in the implementation of an autosubscribe feature in the check_stream_exists route of the Zulip group chat application server before 1.4.3 allowed an authenticated user to subscribe to a private stream that should have required an invitation from an existing member to join. The issue affects all previously released versions of the Zulip server."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Information Exposure (CWE-200)"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "97159",
                "refsource": "BID",
                "url": "http://www.securityfocus.com/bid/97159"
            },
            {
                "name": "https://groups.google.com/d/msg/zulip-announce/VyawgRuoY34/NTBwnTArGwAJ",
                "refsource": "MISC",
                "url": "https://groups.google.com/d/msg/zulip-announce/VyawgRuoY34/NTBwnTArGwAJ"
            },
            {
                "name": "https://github.com/zulip/zulip/commit/7ecda1ac8e26d8fb3725e954b2dc4723dda2255f",
                "refsource": "MISC",
                "url": "https://github.com/zulip/zulip/commit/7ecda1ac8e26d8fb3725e954b2dc4723dda2255f"
            }
        ]
    }
}