But || is not filtered. Works in MySQL in ANSI mode.
In Challenge 5, simply logging in or seeing a list of users isn't enough. You often need the password of the "Admin" user, but the application likely does not display the password column in the HTML output. It might only show the username and perhaps a role .
Bypass authentication and retrieve the administrator’s password hash from the database using a attack. This challenge removes error messages, so you must infer results from subtle changes in the application’s behavior. Sql Injection Challenge 5 Security Shepherd
admin' * IF(1, SLEEP(5), 0) -- -
Increment N until you get "Valid". For example: But || is not filtered
This binary difference is the entire attack surface.
Input: ' OR '1'='1
OWASP Security Shepherd's SQL Injection Challenge 5 focuses on Boolean-based Blind SQL Injection, requiring users to extract hidden data by inputting TRUE/FALSE queries to infer information. Attackers exploit this by analyzing application responses to guess characters one-by-one using SQL functions like SUBSTRING()