{
   "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" : "https://github.com/zulip/zulip/commit/7ecda1ac8e26d8fb3725e954b2dc4723dda2255f",
            "refsource" : "MISC",
            "url" : "https://github.com/zulip/zulip/commit/7ecda1ac8e26d8fb3725e954b2dc4723dda2255f"
         },
         {
            "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" : "97159",
            "refsource" : "BID",
            "url" : "http://www.securityfocus.com/bid/97159"
         }
      ]
   }
}