CVE-2023-28352 in Insight
Summary
by MITRE • 05/31/2023
An issue was discovered in Faronics Insight 10.0.19045 on Windows. By abusing the Insight UDP broadcast discovery system, an attacker-controlled artificial Student Console can connect to and attack a Teacher Console even after Enhanced Security Mode has been enabled.
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Analysis
by VulDB Data Team • 12/05/2025
The vulnerability identified as CVE-2023-28352 affects Faronics Insight version 10.0.19045 on Windows systems, representing a significant security flaw in the network discovery mechanism of this classroom management software. This issue stems from the improper handling of UDP broadcast messages within the Insight system, which allows malicious actors to manipulate the discovery process and establish unauthorized connections between student and teacher consoles. The vulnerability specifically targets the broadcast discovery system that is designed to automatically detect and connect student consoles to teacher consoles within a networked classroom environment. When Enhanced Security Mode is enabled, the system should theoretically prevent unauthorized connections and maintain secure communication channels between devices. However, this vulnerability demonstrates a critical design flaw that bypasses these security controls through manipulation of the underlying UDP broadcast protocol.
The technical exploitation of this vulnerability involves crafting and sending falsified UDP broadcast messages that mimic legitimate discovery packets from student consoles. This attack vector allows an adversary to register a fake student console in the network, effectively appearing as a legitimate device to the teacher console. The attacker-controlled artificial console can then establish communication channels that bypass the enhanced security measures that should normally prevent unauthorized access. This manipulation occurs at the network protocol level where the system trusts broadcast messages without sufficient validation of the originating device's authenticity. The flaw essentially creates a backdoor mechanism through which malicious actors can infiltrate the classroom management system, potentially gaining access to sensitive educational data, monitoring capabilities, or control over student devices.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it fundamentally undermines the security architecture of the Faronics Insight system. In educational environments, this could enable attackers to monitor student activities, access confidential information, or disrupt classroom operations by injecting malicious commands through the compromised connection. The vulnerability particularly affects scenarios where Enhanced Security Mode is enabled, as it demonstrates that the security controls are insufficient to prevent this specific class of attack. Organizations using Faronics Insight in schools, universities, or corporate training environments face potential risks including data breaches, privacy violations, and disruption of educational services. The attack requires minimal sophistication to execute and can be performed by attackers with basic network manipulation capabilities, making it particularly dangerous in environments where multiple devices are connected and managed through the system.
This vulnerability aligns with CWE-284 (Improper Access Control) and represents a failure in authentication and authorization mechanisms within the network discovery protocol. The attack pattern follows techniques described in the MITRE ATT&CK framework under T1071.004 (Application Layer Protocol: DNS) and T1046 (Network Service Scanning) as attackers exploit network protocols to establish unauthorized connections. Organizations should implement network segmentation to isolate classroom management systems from general network traffic, disable unnecessary UDP broadcast services where possible, and ensure that all systems are updated to the latest security patches provided by Faronics. Additionally, monitoring network traffic for unusual UDP broadcast patterns and implementing network access controls can help detect and prevent exploitation attempts. The vulnerability highlights the importance of validating all network communications and implementing robust authentication mechanisms even for services that are designed to operate in trusted network environments.