CVE-2024-3016 in ITK-6DGS-1 TEL
Summary
by MITRE • 05/14/2024
NEC Platforms DT900 and DT900S Series 5.0.0.0 – v5.3.4.4, v5.4.0.0 – v5.6.0.20 allows an attacker to access a non-documented the system settings to change settings via local network with unauthenticated user.
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Analysis
by VulDB Data Team • 08/22/2024
The vulnerability identified as CVE-2024-3016 affects NEC Platforms DT900 and DT900S Series devices running firmware versions between 5.0.0.0 and 5.3.4.4, as well as 5.4.0.0 through 5.6.0.20. This represents a critical security flaw that exposes system configuration interfaces to unauthorized access through local network connections without proper authentication mechanisms. The affected devices are part of NEC's digital signage and display management platforms, which are widely deployed in enterprise environments, retail spaces, and public venues for content delivery and system management purposes.
This vulnerability stems from inadequate access control implementation within the device's network services, specifically targeting non-documented system settings that should remain restricted to authorized administrators only. The flaw allows attackers to manipulate device configurations through unauthenticated network connections, potentially enabling them to alter critical system parameters such as display settings, content scheduling, network configurations, and other operational parameters. The vulnerability is particularly concerning because it operates at the network level and can be exploited from any location within the local network segment where the affected devices reside.
The operational impact of this vulnerability extends beyond simple configuration changes, as it can enable attackers to compromise the integrity and availability of digital signage networks. An attacker could potentially disrupt services by modifying content delivery schedules, changing network configurations to redirect traffic, or disabling critical system functions. The lack of authentication requirements means that any device on the same network segment could exploit this vulnerability, making it particularly dangerous in shared network environments where multiple devices and users exist. This vulnerability directly relates to CWE-284, which addresses improper access control, and aligns with ATT&CK technique T1068, which covers local privilege escalation and unauthorized access to system resources.
Organizations utilizing these NEC devices should immediately implement network segmentation to isolate affected systems from general network traffic, disable unnecessary network services, and apply available firmware updates from NEC to address this vulnerability. Network monitoring should be enhanced to detect unusual configuration changes or unauthorized network access attempts to these devices. Security teams should also conduct comprehensive vulnerability assessments to identify all instances of these devices within their network infrastructure and ensure that proper access controls and authentication mechanisms are implemented for all administrative interfaces. The vulnerability underscores the importance of maintaining up-to-date firmware and implementing defense-in-depth strategies to protect critical network infrastructure components from unauthorized access and manipulation.