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Task: a minimal Werkzeug login form sends GET parameters to /user and reveals different responses for valid and invalid users. Solution: use double-quote SQL injection in login to bypass authentication, then extract the admin password with UNION SELECT and log in as admin.

sql_injection union_select flask authentication_bypass werkzeug login_form get_parameters

union_based_sqlidouble_quote_sqliadmin_credential_extractionauthentication_bypass

$ ls tags/ techniques/

sql_injection union_select flask authentication_bypass werkzeug login_form get_parameters

union_based_sqlidouble_quote_sqliadmin_credential_extractionauthentication_bypass

Analysis

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$ python3 exploit.py --target 192.168.1.1 --port 8080
[*] Connecting to target...
[+] Shell obtained!

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