CVE-2023-3606 in TamronOS
Summary
by MITRE • 07/11/2023
A vulnerability was found in TamronOS up to 20230703. It has been classified as critical. This affects an unknown part of the file /api/ping. The manipulation of the argument host leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-233475. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
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Analysis
by VulDB Data Team • 07/27/2023
The vulnerability identified as CVE-2023-3606 represents a critical operating system command injection flaw within TamronOS version 20230703 and earlier. This security weakness resides in the application programming interface endpoint /api/ping which processes incoming requests for network connectivity testing. The vulnerability stems from insufficient input validation mechanisms that fail to properly sanitize user-supplied parameters, specifically the host argument that is processed through the API interface. This flaw enables attackers to inject malicious operating system commands directly into the application's execution flow, potentially allowing complete system compromise.
The technical exploitation of this vulnerability occurs through remote manipulation of the host parameter within the /api/ping endpoint. When an attacker submits a maliciously crafted host value containing command injection payloads, the system fails to properly validate or escape the input before processing it as part of an operating system command execution. This represents a classic os command injection vulnerability classified under CWE-77 and aligns with ATT&CK technique T1059.001 for command and script injection. The attack vector requires no authentication or privileged access, making it particularly dangerous as it can be exploited from any network location with access to the affected API endpoint.
The operational impact of this vulnerability extends beyond simple command execution, as successful exploitation can lead to complete system compromise including unauthorized access to sensitive data, privilege escalation, and potential lateral movement within network environments. The disclosed exploit demonstrates that attackers can leverage this flaw to execute arbitrary commands on the affected system, potentially enabling them to establish persistent backdoors, exfiltrate confidential information, or disrupt normal system operations. The vulnerability affects the core network monitoring functionality of TamronOS, which could result in unauthorized network reconnaissance activities and compromise of network security posture. Given that the vendor did not respond to early disclosure attempts, organizations utilizing this software face heightened risk of exploitation without immediate vendor remediation.
Organizations should implement immediate mitigations including network segmentation to restrict access to the /api/ping endpoint, implementing web application firewalls to filter suspicious requests, and disabling the affected API functionality if not essential for operations. Additionally, all systems running TamronOS versions prior to the vendor's patch release should be prioritized for immediate upgrade. The vulnerability's classification as critical underscores the necessity for immediate action, as the public disclosure of the exploit means that threat actors are actively targeting systems with this vulnerability. Security teams should monitor network traffic for suspicious API requests and implement robust input validation controls to prevent similar command injection attacks in other applications within their environment.