CVE-2023-4462 in Trio 8300
Summary
by MITRE • 12/29/2023
A vulnerability classified as problematic has been found in Poly Trio 8300, Trio 8500, Trio 8800, Trio C60, CCX 350, CCX 400, CCX 500, CCX 505, CCX 600, CCX 700, EDGE E100, EDGE E220, EDGE E300, EDGE E320, EDGE E350, EDGE E400, EDGE E450, EDGE E500, EDGE E550, VVX 101, VVX 150, VVX 201, VVX 250, VVX 300, VVX 301, VVX 310, VVX 311, VVX 350, VVX 400, VVX 401, VVX 410, VVX 411, VVX 450, VVX 500, VVX 501, VVX 600 and VVX 601. This affects an unknown part of the component Web Configuration Application. The manipulation leads to insufficiently random values. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-249255.
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Analysis
by VulDB Data Team • 01/21/2024
This vulnerability resides within the Web Configuration Application component of Poly communication devices spanning multiple product lines including Trio and VVX series terminals. The flaw manifests as insufficient randomness in generated values, creating a weakness that can be exploited through remote access. The vulnerability has been publicly disclosed with identifier VDB-249255, indicating that threat actors may already be leveraging this weakness. The technical nature of the issue suggests improper implementation of cryptographic functions or random number generation mechanisms within the web interface configuration system.
The core technical flaw involves the generation of insufficiently random values, which falls under CWE-330, indicating improper use of random number generators. This weakness creates predictable patterns in cryptographic operations that could enable attackers to compromise system security. The vulnerability affects a broad range of Poly devices, indicating a systemic issue within the firmware architecture rather than isolated component failure. The remote exploitability means that attackers do not require physical access to devices, significantly expanding the attack surface. Attack complexity is rated as high, suggesting that while exploitation is possible, it requires specialized knowledge and tools, aligning with ATT&CK technique T1210 for exploiting vulnerabilities in remote services.
The operational impact of this vulnerability extends beyond simple configuration access, potentially enabling attackers to manipulate device settings, intercept communications, or establish persistent access points. The affected devices serve critical roles in enterprise communication environments, making this vulnerability particularly concerning for organizations relying on Poly solutions. The disclosure of exploit information in the public domain accelerates the risk timeline, as attackers can immediately begin targeting vulnerable installations. Organizations using these devices face potential data breaches, service disruption, and compromise of communication channels that could affect business continuity and regulatory compliance.
Mitigation strategies should focus on immediate firmware updates from Poly to address the random number generation implementation. Network segmentation and access controls should be implemented to limit exposure of affected devices to untrusted networks. Regular vulnerability assessments should be conducted to identify similar weaknesses in other networked devices. Security monitoring should be enhanced to detect anomalous access patterns that might indicate exploitation attempts. The vulnerability represents a significant risk to enterprise communication infrastructure and requires urgent attention from security teams responsible for maintaining device security. Organizations should also consider implementing network-based intrusion detection systems to monitor for exploitation attempts targeting this specific weakness.