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Nuclei Templates

GitLab - User Information Disclosure Via Open API

ID: gitlab-api-user-enum

Severity: medium

Author: Suman_Kar

Tags: gitlab,enum,misconfig,disclosure

Description

Section titled “Description”

GitLab - User Information is exposed Via Open API.

YAML Source

Section titled “YAML Source”
id: gitlab-api-user-enum


info:
  name: GitLab - User Information Disclosure Via Open API
  author: Suman_Kar
  severity: medium
  description: GitLab - User Information is exposed Via Open API.
  reference:
    - https://gitlab.com/gitlab-org/gitlab-foss/-/issues/40158
  metadata:
    max-request: 100
    shodan-query: http.title:"GitLab"
  tags: gitlab,enum,misconfig,disclosure


http:
  - raw:
      - |
        GET /api/v4/users/{{uid}} HTTP/1.1
        Host: {{Hostname}}
        Accept: application/json, text/plain, */*
        Referer: {{BaseURL}}


    payloads:
      uid: helpers/wordlists/numbers.txt
    stop-at-first-match: true


    matchers-condition: and
    matchers:
      - type: regex
        part: body
        condition: and
        regex:
          - "username.*"
          - "id.*"
          - "name.*"


      - type: word
        part: header
        words:
          - "application/json"


      - type: status
        status:
          - 200
# digest: 4a0a00473045022003e526dd6e5033014d7c62e228b0bf32802c522669489561b3d72bd9fb217643022100a79ab0544cf3a1694a330b67b7800d710e5904c195f40edee81f14bc7b7d8ae5:922c64590222798bb761d5b6d8e72950

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/misconfiguration/gitlab/gitlab-api-user-enum.yaml"

View on Github