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82 lines
3.1 KiB
Lua
82 lines
3.1 KiB
Lua
--
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-- (C) 2019-22 - ntop.org
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--
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-- ##############################################
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local other_alert_keys = require "other_alert_keys"
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-- Import the classes library.
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local classes = require "classes"
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-- Make sure to import the Superclass!
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local alert = require "alert"
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local alert_entities = require "alert_entities"
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-- ##############################################
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local alert_vulnerability_scan = classes.class(alert)
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alert_vulnerability_scan.meta = {
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alert_key = other_alert_keys.alert_vulnerability_scan,
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i18n_title = "alerts_dashboard.vulnerability_scan_title",
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icon = "fas fa-fw fa-exclamation-triangle",
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entities = {
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alert_entities.am_host,
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},
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}
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-- ##############################################
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function alert_vulnerability_scan:init(differences_list)
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-- Call the parent constructor
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self.super:init()
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self.alert_type_params = differences_list
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-- Trick to set this alert as an active monitoring alert
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self.alert_type_params.threshold = 0
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self.alert_type_params.value = 0
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self.alert_type_params.measurement = 'vulnerability_scan'
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end
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-- #######################################################
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-- @brief Format an alert into a human-readable string
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-- @param ifid The integer interface id of the generated alert
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-- @param alert The alert description table, including alert data such as the generating entity, timestamp, granularity, type
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-- @param alert_type_params Table `alert_type_params` as built in the `:init` method
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-- @return A human-readable string
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function alert_vulnerability_scan.format(ifid, alert, alert_type_params)
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local msg = ""
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if alert_type_params.num_ports and alert_type_params.num_ports.new_num_ports and alert_type_params.num_ports.old_num_ports then
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if alert_type_params.num_ports.new_num_ports ~= alert_type_params.num_ports.old_num_ports then
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msg = msg .. i18n('vulnerability_scan_alert_ports_changed', { new_num_ports = alert_type_params.num_ports.new_num_ports, old_num_ports = alert_type_params.num_ports.old_num_ports }) .. " "
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end
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end
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if alert_type_params.num_new_cve_issues then
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local new_cve = table.concat(alert_type_params.new_cve or {}, ", ")
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if alert_type_params.num_new_cve_issues > 5 then
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new_cve = new_cve .. " and other " .. alert_type_params.num_new_cve_issues - 5
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end
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msg = msg .. i18n('vulnerability_scan_alert_new_issues', { num_issues = alert_type_params.num_new_cve_issues, new_cve = new_cve }) .. " "
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end
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if alert_type_params.num_cve_solved then
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local cve_solved = table.concat(alert_type_params.cve_solved or {}, ", ")
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if alert_type_params.num_cve_solved > 5 then
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cve_solved = cve_solved .. " and other " .. alert_type_params.num_cve_solved - 5
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end
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msg = msg .. i18n('vulnerability_scan_alert_solved_issues', { num_issues = alert_type_params.num_cve_solved, cve_solved = cve_solved }) .. " "
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end
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local host = alert_type_params.host_name
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if isEmptyString(host) then
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host = alert_type_params.host
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end
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return i18n('vulnerability_scan_alert', { host = host, msg = msg })
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end
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-- #######################################################
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return alert_vulnerability_scan
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