{
   "CVE_data_meta" : {
      "ASSIGNER" : "support@hackerone.com",
      "ID" : "CVE-2017-0883",
      "STATE" : "PUBLIC"
   },
   "affects" : {
      "vendor" : {
         "vendor_data" : [
            {
               "product" : {
                  "product_data" : [
                     {
                        "product_name" : "Nextcloud Server",
                        "version" : {
                           "version_data" : [
                              {
                                 "version_value" : "All versions before 9.0.55 and 10.0.2"
                              }
                           ]
                        }
                     }
                  ]
               },
               "vendor_name" : "Nextcloud"
            }
         ]
      }
   },
   "data_format" : "MITRE",
   "data_type" : "CVE",
   "data_version" : "4.0",
   "description" : {
      "description_data" : [
         {
            "lang" : "eng",
            "value" : "Nextcloud Server before 9.0.55 and 10.0.2 suffers from a permission increase on re-sharing via OCS API issue. A permission related issue within the OCS sharing API allowed an authenticated adversary to reshare shared files with an increasing permission set. This may allow an attacker to edit files in a share despite having only a 'read' permission set. Note that this only affects folders and files that the adversary has at least read-only permissions for."
         }
      ]
   },
   "problemtype" : {
      "problemtype_data" : [
         {
            "description" : [
               {
                  "lang" : "eng",
                  "value" : "Permission Issues (CWE-275)"
               }
            ]
         }
      ]
   },
   "references" : {
      "reference_data" : [
         {
            "name" : "https://hackerone.com/reports/169680",
            "refsource" : "MISC",
            "url" : "https://hackerone.com/reports/169680"
         },
         {
            "name" : "https://nextcloud.com/security/advisory/?id=nc-sa-2017-001",
            "refsource" : "CONFIRM",
            "url" : "https://nextcloud.com/security/advisory/?id=nc-sa-2017-001"
         }
      ]
   }
}