SQL Injection Challenge 5 (often referred to as the "Meme Shop" or "Coupon Code" challenge) in OWASP Security Shepherd is a logic-based injection task that tests your ability to manipulate backend database queries through input fields. Challenge Overview
The key piece of information is that the application is as a protection against SQL injection. Importantly, it does not change double quotes ( " ) .
Guest note: Remember to buy milk. Admin note: The flag is SQLi_Chall5_Shepherd_8347
You submit it and complete Challenge 5, moving on to the next level where you must exploit a second-order injection in a password reset feature.
Simple single quotes ( ' ) and comment characters ( -- , # ) may be sanitized or escaped. sql+injection+challenge+5+security+shepherd+new
Submitting a single quote ( ' ) in the username field results in a generic error page or a blank response – no detailed SQL error is shown. This indicates:
The challenge is that simply injecting ' might cause an error or be replaced, requiring a more nuanced approach. 2. Walkthrough and Solution Strategy
Q: What are the best practices for completing SQL injection challenges? A: The best practices for completing SQL injection challenges include understanding the challenge objective, using a SQL injection tool, and analyzing the web application.
search_term=%' OR user_id=1 --
The flickering glow of three monitors was the only light in Anya’s cramped apartment. Before her, on the central screen, the emblem of the pulsed a soft, encouraging green. It was a gamified cybersecurity training platform, legendary among junior penetration testers. Anya had blazed through the first four challenges—XSS, broken crypto, a trivial path traversal. But Challenge 5 was different.
This guide provides a comprehensive walkthrough, methodology, and security analysis for solving the new edition of SQL Injection Challenge 5 in Security Shepherd. 1. Understanding the Challenge: SQL Injection 5
This effectively "cancels out" the protection, allowing you to break out of the string context. A working payload is:
Examine the request for SQLi points in the userName parameter. Remediation: How to Prevent This Injection SQL Injection Challenge 5 (often referred to as
sqlmap -u "http://[shepherd-url]/sqli/challenge5.php?id=1" --dbms=mysql --dump Use code with caution. : The URL of the challenge.
This is the most effective defense. It ensures that user input is never interpreted as SQL commands.
The following report details the technical breakdown and solution for (SQLi C5 VIPCouponCheck) within the OWASP Security Shepherd training platform. Challenge Overview