Horizon Alert
Summary of the vulnerability and why it matters
This advisory details a critical vulnerability in DB Electronica Telecomunicazioni S.p.A. Mozart FM Transmitter devices, stemming from improper filtering of user input within a specific web interface file. The vulnerability could allow an authenticated attacker to execute remote code with root privileges, posing a significant security risk to the operational integrity of these broadcast systems.
- Flaw allows remote code execution on transmitters.
- Critical remote code execution risk on broadcast devices.
- Confirm relevance and assess exposure; no immediate leadership action needed.
Attack Path
How an attacker could exploit the issue
An attacker with authenticated access could exploit this vulnerability by manipulating user-supplied data within the `main_ok.php` script. This script incorrectly filters input that is then passed directly to a shell command, potentially leading to remote code execution.
- Authenticated user access required.
- Input filtering bypass in a PHP script.
- Remote code execution and data modification.
Live Threat
Current exploitation, exposure, and threat context
An authenticated attacker with administrative privileges could execute arbitrary commands on the affected system by manipulating input in the `main_ok.php` file. This could potentially lead to unauthorized system access or modification.
- System commands on the transmitter could be altered.
- Malicious input could be injected via web interface.
- Unauthorized system control could be gained.
Operational Fix
Recommended remediation, mitigation, and detection steps
The technical teams responsible for managing the DB Electronica Telecomunicazioni S.p.A. Mozart FM Transmitter devices will need to coordinate. This includes the infrastructure or operations team responsible for the physical devices and their network connectivity, and potentially a vendor management team if the devices are managed by a third party or if vendor support is required for remediation. The first practical step is to inventory all deployed Mozart devices, determine their network exposure, and identify the business criticality of each unit to prioritize remediation efforts with the accountable owner.
- Infrastructure or Operations owns the issue.
- Verify device network exposure and criticality.
- Plan coordinated remediation with vendor.
