Test for Process Timing (OTG-BUSLOGIC-004)

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Brief Description

It is possible that attackers can gather information on an application by monitoring the time it takes to complete a task or give a respond. Attackers can also manipulate and break designed business process flows by simply keeping active sessions open and not submitting their transactions in the expected time frame.


Processing timing may give/leak information on what is being done in the application/system background processes. If an application allows users to guess what the particulate next outcome will be by processing time variations, users will be able to adjust accordingly and change behavior based on the expectation.


Video gambling machines may take longer to process a transaction just prior to a large payout. This would allow astute gamblers to gamble minimum amounts until they see the long process time which would then prompt them to bet the maximum.

Testing Method

• Identifying this type of issues requires that the tester evaluate and monitor the times that each transaction takes to complete and to see if an attacker would be able to guess the outcome based on the time computations take.

Test Tools


Related Test Cases





Develop applications with processing time in mind. If attackers could possibly gain some type of advantage from knowing the different processing times and results add extra steps or processing so that no matter the results they are provided in the same time frame.