SOUND4 IMPACT/FIRST/PULSE/Eco <=2.x SQL Injection via Username Parameter

The SQL injection vulnerability in SOUND4 IMPACT/FIRST/PULSE/Eco poses a significant threat. Successful exploitation allows an attacker to bypass authentication mechanisms, effectively gaining unauthorized access to the application's database. This could lead to the exfiltration of sensitive data such as user credentials, configuration information, or proprietary business data. Furthermore, an attacker could potentially modify or delete data within the database, leading to data integrity issues and disruption of service. The impact is amplified by the potential for lateral movement within the network if the database contains credentials for other systems. This vulnerability shares similarities with other SQL injection attacks where attackers leverage database access to compromise entire systems.

Organizations utilizing SOUND4 IMPACT/FIRST/PULSE/Eco versions 2.1 and earlier, particularly those with sensitive data stored in the database, are at significant risk. Shared hosting environments where multiple users share the same database instance are especially vulnerable, as a compromise of one user's account could lead to a broader data breach.

• linux / server:

journalctl -u sound4 -f | grep "SQL injection"

• generic web:

curl -X POST -d "username='; DROP TABLE users;--" http://your-sound4-server/index.php | grep "error"

1. 2025-12-30Disclosure

   disclosure

1. Reservado2025-12-21
2. Publicada2025-12-30
3. Modificada2026-02-18
4. EPSS atualizado2026-03-23

Due to the critical nature of this vulnerability and the lack of a readily available patch, immediate mitigation steps are crucial. Implement strict input validation and sanitization on the 'username' parameter in index.php to prevent SQL injection attempts. Consider using a Web Application Firewall (WAF) with SQL injection protection rules to filter malicious requests. If feasible, restrict access to the database server to only authorized personnel and applications. Regularly review and update database user permissions. While awaiting a patch, carefully monitor database logs for suspicious activity. After implementing these mitigations, verify their effectiveness by attempting to reproduce the vulnerability using a safe testing environment.