cvelist/2018/4xxx/CVE-2018-4850.json

{
   "CVE_data_meta" : {
      "ASSIGNER" : "productcert@siemens.com",
      "DATE_PUBLIC" : "2018-05-15T00:00:00",
      "ID" : "CVE-2018-4850",
      "STATE" : "PUBLIC"
   },
   "affects" : {
      "vendor" : {
         "vendor_data" : [
            {
               "product" : {
                  "product_data" : [
                     {
                        "product_name" : "SIMATIC S7-400 (incl. F) CPU hardware version 4.0 and below, SIMATIC S7-400 (incl. F) CPU hardware version 5.0, SIMATIC S7-400H CPU hardware version 4.5 and below",
                        "version" : {
                           "version_data" : [
                              {
                                 "version_value" : "SIMATIC S7-400 (incl. F) CPU hardware version 4.0 and below : All versions"
                              },
                              {
                                 "version_value" : "SIMATIC S7-400 (incl. F) CPU hardware version 5.0 : All firmware versions < V5.2"
                              },
                              {
                                 "version_value" : "SIMATIC S7-400H CPU hardware version 4.5 and below : All versions"
                              }
                           ]
                        }
                     }
                  ]
               },
               "vendor_name" : "Siemens AG"
            }
         ]
      }
   },
   "data_format" : "MITRE",
   "data_type" : "CVE",
   "data_version" : "4.0",
   "description" : {
      "description_data" : [
         {
            "lang" : "eng",
            "value" : "A vulnerability has been identified in SIMATIC S7-400 (incl. F) CPU hardware version 4.0 and below (All versions), SIMATIC S7-400 (incl. F) CPU hardware version 5.0 (All firmware versions < V5.2), SIMATIC S7-400H CPU hardware version 4.5 and below (All versions). The affected CPUs improperly validate S7 communication packets which could cause a Denial-of-Service condition of the CPU. The CPU will remain in DEFECT mode until manual restart."
         }
      ]
   },
   "problemtype" : {
      "problemtype_data" : [
         {
            "description" : [
               {
                  "lang" : "eng",
                  "value" : "CWE-20: Improper Input Validation"
               }
            ]
         }
      ]
   },
   "references" : {
      "reference_data" : [
         {
            "name" : "https://cert-portal.siemens.com/productcert/pdf/ssa-914382.pdf",
            "refsource" : "CONFIRM",
            "url" : "https://cert-portal.siemens.com/productcert/pdf/ssa-914382.pdf"
         },
         {
            "name" : "https://www.siemens.com/global/en/home/products/services/cert.html#SecurityPublications",
            "refsource" : "CONFIRM",
            "url" : "https://www.siemens.com/global/en/home/products/services/cert.html#SecurityPublications"
         },
         {
            "name" : "104217",
            "refsource" : "BID",
            "url" : "http://www.securityfocus.com/bid/104217"
         }
      ]
   }
}