Lab 328 — DataNest — NoSQL Operator Injection in Authentication

hackadvisor

Task: Analytics dashboard with role-based access control, login accepts JSON. Solution: NoSQL operator injection using $ne operator to bypass password authentication and access admin settings.

nodejs authentication_bypass express mongodb json_api nosql_injection operator_injection

nosql_injection_ne_operatormongodb_query_operator_injectionjson_content_type_injectionteam_page_enumeration

$ ls tags/ techniques/

nodejs authentication_bypass express mongodb json_api nosql_injection operator_injection

nosql_injection_ne_operatormongodb_query_operator_injectionjson_content_type_injectionteam_page_enumeration

Analysis

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

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