id: ldap-injection-error
info:
  name: LDAP Injection (Error-Based)
  author: sif
  severity: high
  description: Detects LDAP injection via LDAP filter and directory error messages
  tags: [ldap, injection, directory, owasp-top10]

type: http

http:
  method: GET
  paths:
    - "{{BaseURL}}/?user={{payload}}"
    - "{{BaseURL}}/?username={{payload}}"
    - "{{BaseURL}}/?uid={{payload}}"
    - "{{BaseURL}}/?search={{payload}}"
    - "{{BaseURL}}/?q={{payload}}"
    - "{{BaseURL}}/?name={{payload}}"

  payloads:
    - "*"
    - ")(cn=*"
    - "*)(uid=*"
    - "admin)(&"
    - "*)(|(uid=*"
    - "*()|"

  threads: 10

  matchers:
    - type: regex
      part: body
      regex:
        - "javax\\.naming\\.NameNotFoundException"
        - "javax\\.naming\\.directory"
        - "com\\.sun\\.jndi\\.ldap"
        - "LDAPException"
        - "Invalid DN syntax"
        - "Bad search filter"
        - "ldap_search"
        - "supplied argument is not a valid ldap"
        - "Protocol error occurred"
      condition: or

  extractors:
    - type: regex
      name: ldap_error
      part: body
      regex:
        - "(LDAPException|javax\\.naming\\.[A-Za-z.]+|com\\.sun\\.jndi\\.ldap|Invalid DN syntax)"
      group: 1