{
   "CVE_data_meta" : {
      "ASSIGNER" : "support@hackerone.com",
      "DATE_PUBLIC" : "2017-11-05T00:00:00",
      "ID" : "CVE-2017-0904",
      "STATE" : "PUBLIC"
   },
   "affects" : {
      "vendor" : {
         "vendor_data" : [
            {
               "product" : {
                  "product_data" : [
                     {
                        "product_name" : "private_address_check ruby gem",
                        "version" : {
                           "version_data" : [
                              {
                                 "version_value" : "Versions before 0.4.0"
                              }
                           ]
                        }
                     }
                  ]
               },
               "vendor_name" : "jtdowney"
            }
         ]
      }
   },
   "data_format" : "MITRE",
   "data_type" : "CVE",
   "data_version" : "4.0",
   "description" : {
      "description_data" : [
         {
            "lang" : "eng",
            "value" : "The private_address_check ruby gem before 0.4.0 is vulnerable to a bypass due to use of Ruby's Resolv.getaddresses method, which is OS-dependent and should not be relied upon for security measures, such as when used to blacklist private network addresses to prevent server-side request forgery."
         }
      ]
   },
   "problemtype" : {
      "problemtype_data" : [
         {
            "description" : [
               {
                  "lang" : "eng",
                  "value" : "Use of Inherently Dangerous Function (CWE-242)"
               }
            ]
         }
      ]
   },
   "references" : {
      "reference_data" : [
         {
            "name" : "https://edoverflow.com/2017/ruby-resolv-bug/",
            "refsource" : "MISC",
            "url" : "https://edoverflow.com/2017/ruby-resolv-bug/"
         },
         {
            "name" : "https://hackerone.com/reports/287245",
            "refsource" : "MISC",
            "url" : "https://hackerone.com/reports/287245"
         },
         {
            "name" : "https://hackerone.com/reports/287835",
            "refsource" : "MISC",
            "url" : "https://hackerone.com/reports/287835"
         },
         {
            "name" : "https://github.com/jtdowney/private_address_check/commit/58a0d7fe31de339c0117160567a5b33ad82b46af",
            "refsource" : "CONFIRM",
            "url" : "https://github.com/jtdowney/private_address_check/commit/58a0d7fe31de339c0117160567a5b33ad82b46af"
         },
         {
            "name" : "https://github.com/jtdowney/private_address_check/issues/1",
            "refsource" : "CONFIRM",
            "url" : "https://github.com/jtdowney/private_address_check/issues/1"
         }
      ]
   }
}