Horizon Alert
Summary of the vulnerability and why it matters
A critical vulnerability has been identified in the Guardian language-system that could allow an unauthenticated attacker to execute arbitrary operating system commands on the server. This occurs because the `translate_text.php` script improperly handles a GET parameter, directly passing it to a PHP `exec()` function without proper validation. The main concern is confirming relevance and exposure of this component within our environment.
- Unauthenticated attackers can run any OS command.
- Critical vulnerability impacts server-side execution.
- Confirm if this language system is in use.
Attack Path
How an attacker could exploit the issue
An attacker can exploit this vulnerability by sending a specially crafted request to the `translate_text.php` script. This script directly uses the `id` parameter in a PHP `exec()` call without proper sanitization. By including shell metacharacters within the `id` parameter, an attacker can trick the `exec()` function into running arbitrary operating system commands on the server.
- No authentication or special access needed.
- Malicious input in `id` parameter.
- Arbitrary command execution on server.
Live Threat
Current exploitation, exposure, and threat context
This vulnerability could allow an unauthenticated remote attacker to execute arbitrary operating system commands on the server. When supported by the advisory, this could lead to the compromise of system data, including sensitive configuration files and potentially impact the availability of the service.
- Server-side commands could be executed.
- Arbitrary OS commands could be run.
- System data could be exposed or modified.
Operational Fix
Recommended remediation, mitigation, and detection steps
This critical vulnerability in the Guardian language-system allows unauthenticated remote attackers to execute arbitrary OS commands by manipulating the `id` GET parameter in `translate_text.php`. The first step is to identify all instances of the affected system, confirm their exposure and business criticality, and then determine the accountable owner for remediation planning.
- Identify affected systems and owners.
- Verify external reachability and impact.
- Plan remediation based on risk.