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010309d108
An upstream validation bug in the aws-sdk-sns library could enable RCE under certain circumstances. This commit updates the upstream gem, and adds additional validation to provide defense-in-depth.
28 lines
548 B
Ruby
28 lines
548 B
Ruby
# frozen_string_literal: true
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module Jobs
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class ConfirmSnsSubscription < ::Jobs::Base
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sidekiq_options retry: false
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def execute(args)
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return unless raw = args[:raw].presence
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return unless json = args[:json].presence
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return unless subscribe_url = json["SubscribeURL"].presence
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require "aws-sdk-sns"
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return unless Aws::SNS::MessageVerifier.new.authentic?(raw)
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uri = begin
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URI.parse(subscribe_url)
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rescue URI::Error
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return
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end
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Net::HTTP.get(uri)
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end
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end
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end
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