picoCTF: GET aHEAD(Web)

Problem

hint 1 : Maybe you have more than 2 choices

hint 2 : Check out tools like Burpsuite to modify your requests and look at the responses

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Solution

1. 문제 링크 접속

 

2. proxy 잡고, “Choose Red” 클릭(아무거나 클릭해도 무방한 듯)

 

3. Repeater로 보냄

 

4. “GET” method → “HEAD” method로 변경하여 보내면 flag 획득

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결론

• Method 변경으로 문제 해결