{
   "CVE_data_meta" : {
      "ASSIGNER" : "security@mozilla.org",
      "ID" : "CVE-2017-7761",
      "STATE" : "PUBLIC"
   },
   "affects" : {
      "vendor" : {
         "vendor_data" : [
            {
               "product" : {
                  "product_data" : [
                     {
                        "product_name" : "Firefox ESR",
                        "version" : {
                           "version_data" : [
                              {
                                 "version_affected" : "<",
                                 "version_value" : "52.2"
                              }
                           ]
                        }
                     },
                     {
                        "product_name" : "Firefox",
                        "version" : {
                           "version_data" : [
                              {
                                 "version_affected" : "<",
                                 "version_value" : "54"
                              }
                           ]
                        }
                     }
                  ]
               },
               "vendor_name" : "Mozilla"
            }
         ]
      }
   },
   "data_format" : "MITRE",
   "data_type" : "CVE",
   "data_version" : "4.0",
   "description" : {
      "description_data" : [
         {
            "lang" : "eng",
            "value" : "The Mozilla Maintenance Service \"helper.exe\" application creates a temporary directory writable by non-privileged users. When this is combined with creation of a junction (a form of symbolic link), protected files in the target directory of the junction can be deleted by the Mozilla Maintenance Service, which has privileged access. Note: This attack requires local system access and only affects Windows. Other operating systems are not affected. This vulnerability affects Firefox ESR < 52.2 and Firefox < 54."
         }
      ]
   },
   "problemtype" : {
      "problemtype_data" : [
         {
            "description" : [
               {
                  "lang" : "eng",
                  "value" : "File deletion and privilege escalation through Mozilla Maintenance Service helper.exe application"
               }
            ]
         }
      ]
   },
   "references" : {
      "reference_data" : [
         {
            "name" : "https://sourceforge.net/p/nsis/bugs/1125/",
            "refsource" : "MISC",
            "url" : "https://sourceforge.net/p/nsis/bugs/1125/"
         },
         {
            "name" : "https://bugzilla.mozilla.org/show_bug.cgi?id=1215648",
            "refsource" : "CONFIRM",
            "url" : "https://bugzilla.mozilla.org/show_bug.cgi?id=1215648"
         },
         {
            "name" : "https://www.mozilla.org/security/advisories/mfsa2017-15/",
            "refsource" : "CONFIRM",
            "url" : "https://www.mozilla.org/security/advisories/mfsa2017-15/"
         },
         {
            "name" : "https://www.mozilla.org/security/advisories/mfsa2017-16/",
            "refsource" : "CONFIRM",
            "url" : "https://www.mozilla.org/security/advisories/mfsa2017-16/"
         },
         {
            "name" : "99057",
            "refsource" : "BID",
            "url" : "http://www.securityfocus.com/bid/99057"
         },
         {
            "name" : "1038689",
            "refsource" : "SECTRACK",
            "url" : "http://www.securitytracker.com/id/1038689"
         }
      ]
   }
}