module CvssSuite::Cvss3Helper
This module includes methods which are used by the CVSS 3 classes.
Public Class Methods
privileges_required_score(privileges_required, scope)
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Since CVSS 3 the Privilege Required score depends on the selected value of the Scope metric. This method takes a Privilege
Required
and a Scope
metric and returns the newly calculated score.
# File lib/cvss_suite/helpers/cvss3_helper.rb, line 25 def self.privileges_required_score(privileges_required, scope) changed = scope.selected_value[:name] == 'Changed' privilege_score = privileges_required.score if changed privilege_score = 0.68 if privileges_required.selected_value[:name] == 'Low' privilege_score = 0.50 if privileges_required.selected_value[:name] == 'High' end privilege_score end
round_up(float)
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Since CVSS 3 all float values are rounded up, therefore this method is used instead of the mathematically correct method round().
# File lib/cvss_suite/helpers/cvss3_helper.rb, line 18 def self.round_up(float) float.ceil(1).to_f end