{
   "CVE_data_meta" : {
      "ASSIGNER" : "support@hackerone.com",
      "DATE_PUBLIC" : "2018-05-03T00:00:00",
      "ID" : "CVE-2018-3759",
      "STATE" : "PUBLIC"
   },
   "affects" : {
      "vendor" : {
         "vendor_data" : [
            {
               "product" : {
                  "product_data" : [
                     {
                        "product_name" : "private_address_check ruby gem",
                        "version" : {
                           "version_data" : [
                              {
                                 "version_value" : "0.5.0"
                              }
                           ]
                        }
                     }
                  ]
               },
               "vendor_name" : "HackerOne"
            }
         ]
      }
   },
   "data_format" : "MITRE",
   "data_type" : "CVE",
   "data_version" : "4.0",
   "description" : {
      "description_data" : [
         {
            "lang" : "eng",
            "value" : "private_address_check ruby gem before 0.5.0 is vulnerable to a time-of-check time-of-use (TOCTOU) race condition due to the address the socket uses not being checked. DNS entries with a TTL of 0 can trigger this case where the initial resolution is a public address but the subsequent resolution is a private address."
         }
      ]
   },
   "problemtype" : {
      "problemtype_data" : [
         {
            "description" : [
               {
                  "lang" : "eng",
                  "value" : "Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') (CWE-362)"
               }
            ]
         }
      ]
   },
   "references" : {
      "reference_data" : [
         {
            "name" : "https://github.com/jtdowney/private_address_check/commit/4068228187db87fea7577f7020099399772bb147",
            "refsource" : "MISC",
            "url" : "https://github.com/jtdowney/private_address_check/commit/4068228187db87fea7577f7020099399772bb147"
         }
      ]
   }
}