{
   "CVE_data_meta" : {
      "ASSIGNER" : "openssl-security@openssl.org",
      "DATE_PUBLIC" : "2018-10-29",
      "ID" : "CVE-2018-0735",
      "STATE" : "PUBLIC",
      "TITLE" : "Timing attack against ECDSA signature generation"
   },
   "affects" : {
      "vendor" : {
         "vendor_data" : [
            {
               "product" : {
                  "product_data" : [
                     {
                        "product_name" : "OpenSSL",
                        "version" : {
                           "version_data" : [
                              {
                                 "version_value" : "Fixed in OpenSSL 1.1.0j-dev (Affected 1.1.0-1.1.0i)"
                              },
                              {
                                 "version_value" : "Fixed in OpenSSL 1.1.1a-dev (Affected 1.1.1)"
                              }
                           ]
                        }
                     }
                  ]
               },
               "vendor_name" : "OpenSSL"
            }
         ]
      }
   },
   "credit" : [
      {
         "lang" : "eng",
         "value" : "Samuel Weiser"
      }
   ],
   "data_format" : "MITRE",
   "data_type" : "CVE",
   "data_version" : "4.0",
   "description" : {
      "description_data" : [
         {
            "lang" : "eng",
            "value" : "The OpenSSL ECDSA signature algorithm has been shown to be vulnerable to a timing side channel attack. An attacker could use variations in the signing algorithm to recover the private key. Fixed in OpenSSL 1.1.0j-dev (Affected 1.1.0-1.1.0i). Fixed in OpenSSL 1.1.1a-dev (Affected 1.1.1)."
         }
      ]
   },
   "impact" : [
      {
         "lang" : "eng",
         "url" : "https://www.openssl.org/policies/secpolicy.html#Low",
         "value" : "Low"
      }
   ],
   "problemtype" : {
      "problemtype_data" : [
         {
            "description" : [
               {
                  "lang" : "eng",
                  "value" : "Constant time issue"
               }
            ]
         }
      ]
   },
   "references" : {
      "reference_data" : [
         {
            "name" : "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=56fb454d281a023b3f950d969693553d3f3ceea1",
            "refsource" : "CONFIRM",
            "url" : "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=56fb454d281a023b3f950d969693553d3f3ceea1"
         },
         {
            "name" : "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=b1d6d55ece1c26fa2829e2b819b038d7b6d692b4",
            "refsource" : "CONFIRM",
            "url" : "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=b1d6d55ece1c26fa2829e2b819b038d7b6d692b4"
         },
         {
            "name" : "https://www.openssl.org/news/secadv/20181029.txt",
            "refsource" : "CONFIRM",
            "url" : "https://www.openssl.org/news/secadv/20181029.txt"
         },
         {
            "name" : "https://security.netapp.com/advisory/ntap-20181105-0002/",
            "refsource" : "CONFIRM",
            "url" : "https://security.netapp.com/advisory/ntap-20181105-0002/"
         },
         {
            "name" : "105750",
            "refsource" : "BID",
            "url" : "http://www.securityfocus.com/bid/105750"
         },
         {
            "name" : "1041986",
            "refsource" : "SECTRACK",
            "url" : "http://www.securitytracker.com/id/1041986"
         }
      ]
   }
}