The lesson:
Unlike earlier lessons that might only require a simple ' OR '1'='1 to bypass a login, Challenge 5 immerses you in a mock e-commerce environment—a . The goal is simple yet daunting: purchase a high-value "key" without actually paying for it by uncovering a hidden VIP Coupon Code .
She tried a simple payload in the name field: ' OR '1'='1' --
The following report details the technical breakdown and solution for (SQLi C5 VIPCouponCheck) within the OWASP Security Shepherd training platform. Challenge Overview sql+injection+challenge+5+security+shepherd+new
– the web app’s DB user should not have EXECUTE permissions on system procedures.
Disable JavaScript or intercept the request. Send:
Mastering the SQL Injection Challenge 5 on OWASP Security Shepherd The lesson: Unlike earlier lessons that might only
First, find the table and column names.
Input a single quote ( ' ). If the application returns a database error or behaves unexpectedly, it confirms the input is being processed by the database engine.
Fixing dynamic query vulnerabilities requires abandoning string concatenation entirely. The primary defense against all forms of SQL injection is the implementation of . Vulnerable Implementation (Java Example) Challenge Overview – the web app’s DB user
Use strict allow-lists for input, ensuring that an item_id is actually an integer.
The application takes a user-supplied couponCode and concatenates it directly into a SQL query string without proper sanitization or parameterization. Vulnerability Analysis
: Use the ORDER BY clause to find how many columns the original query is selecting. 1' ORDER BY 1-- 1' ORDER BY 2-- Keep increasing the number until you get an error.