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# Copyright (c) 2022 Contrast Security, Inc. See https://www.contrastsecurity.com/enduser-terms-0317a for more details.
# frozen_string_literal: true
require 'contrast/agent/at_exit_hook'
module Contrast
module Extension
module Assess
# This Module allows us to track calls to the Kernel#exec method, which
# violates the design of most methods we track in that we have to apply
# the trigger at the start in order to account for the process hand off.
module ExecTrigger
def apply_trigger source
return unless ::Contrast::ASSESS.non_request_tracking? || Contrast::Agent::REQUEST_TRACKER.current
# Since we know this is the source of the trigger, we can do some
# optimization here and return when it is not tracked
return unless Contrast::Utils::Assess::TrackingUtil.tracked?(source)
# source might not be all the args passed in, but it is the one we care
# about. we could pass in all the args in the last param here if it
# becomes an issue in rendering on TS
Contrast::Agent::Assess::Policy::TriggerMethod.build_finding(trigger_node, source, Kernel, nil, source)
end
private
def trigger_node
@_trigger_node ||= Contrast::Agent::Assess::Policy::Policy.instance.find_node('cmd-injection', 'Kernel',
:exec, false)
end
end
end
end
end
Version data entries
19 entries across 19 versions & 1 rubygems