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Lab 87 — GridWatch — SQL Injection in Agent Heartbeat API

hackadvisor

Task: Infrastructure monitoring platform with agent heartbeat API that takes Bearer token in Authorization header, SQLite backend. Solution: UNION-based SQL injection in Bearer token with /**/ comment space bypass to enumerate tables and extract flag from system_secrets.

sqlite sql_injection union_based_sqli api sql_comments decoy_flag space_bypass authorization_header bearer_token heartbeat agent_api monitoring_platform

sqlite_schema_enumerationdecoy_flag_identificationunion_based_sql_injectionsql_comment_space_bypassauthorization_header_injection

$ ls tags/ techniques/

sqlite sql_injection union_based_sqli api sql_comments decoy_flag space_bypass authorization_header bearer_token heartbeat agent_api monitoring_platform

sqlite_schema_enumerationdecoy_flag_identificationunion_based_sql_injectionsql_comment_space_bypassauthorization_header_injection

Analysis

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

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