A Penetration Tester Noticed Special Characters in a Database Table

question 3

Multiple Choice

A penetration tester noticed special characters in a database table. The penetration tester configured the browser to use an HTTP interceptor to verify that the front-end user registration web form accepts invalid input in the user's age field. The developer was notified and asked to fix the issue. Which of the following is the MOST secure solution for the developer to implement?

• A) IF $AGE == "!@#$%^&*()_+<>?":{}[]" THEN ERROR
• B) IF $AGE == [1234567890] {1,3} THEN CONTINUE
• C) IF $AGE != "a-bA-Z!@#$%^&*()_+<>?":{}[] "THEN CONTINUE
• D) IF $AGE == [1-0] {0,2} THEN CONTINUE

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Definitions:

Tissue Perfusion

The process of delivering blood to a capillary bed in the body's tissues, critical for delivering oxygen and nutrients.

Blanch

The process of briefly submerging foods in boiling water followed by immediate cooling, often used to preserve color and ease peeling.

Nutrition

The process by which living organisms obtain and process the nutrients necessary for health, growth, and maintenance of body functions.

Contaminated Area

A location or surface that has been exposed to potentially infectious agents or hazardous materials, making it unsafe without proper precautions.