webmedium

Directory

volgactf

Task: Corporate directory service with LDAP backend and JWT auth — bypass authentication and find hidden data. Solution: LDAP wildcard injection in email/telephone fields to bypass auth, then brute-force organizational unit parameter to discover hidden OU containing the flag.

$ ls tags/ techniques/

flask jwt authentication_bypass gunicorn directory_enumeration ldap_injection openldap ldap_wildcard organizational_unit_enumeration

ldap_wildcard_injectionauth_bypass_via_wildcardou_brute_forceldap_base_dn_manipulationhint_analysis

Analysis

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

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$ssh [email protected]