CVE-2017-8200 in Max Presence
Summary
by MITRE
MAX PRESENCE V100R001C00, TP3106 V100R002C00, TP3206 V100R002C00 have an out-of-bounds read vulnerability in H323 protocol. An attacker logs in to the system as a user and send crafted packets to the affected products. Due to insufficient verification of the packets, successful exploit will cause process reboot.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 01/16/2023
The vulnerability identified as CVE-2017-8200 affects multiple Huawei communication devices including the MAX PRESENCE V100R001C00 and TP3106 V100R002C00 and TP3206 V100R002C00 models. This represents a critical out-of-bounds read flaw within the H323 protocol implementation that forms the foundation of these video conferencing and collaboration systems. The H323 protocol serves as a signaling protocol for multimedia communication over packet networks and is widely deployed in enterprise communication infrastructure, making this vulnerability particularly concerning for organizations relying on these systems for business continuity. The vulnerability manifests when the affected systems process crafted H323 packets without proper input validation, creating an opportunity for malicious actors to exploit the protocol handling mechanism. This issue falls under CWE-125 which specifically addresses out-of-bounds read vulnerabilities where programs access memory locations beyond the bounds of allocated buffers, potentially leading to system instability or unauthorized access. The attack vector requires an authenticated user to establish a session with the target system, which aligns with ATT&CK technique T1078 for valid accounts and T1210 for exploitation of remote services. Once an attacker successfully authenticates to the system, they can craft and transmit malicious H323 packets that trigger the out-of-bounds read condition. The operational impact of this vulnerability extends beyond simple system disruption as the successful exploitation results in complete process reboot, effectively causing service interruption and potential denial of service for critical communication infrastructure. This type of vulnerability can be particularly damaging in enterprise environments where these devices serve as primary communication platforms for business operations, executive meetings, and customer interactions. The reboot condition indicates that the memory corruption is severe enough to trigger system-level protection mechanisms that force a restart of the affected processes, potentially disrupting ongoing communications and requiring manual intervention to restore service. Organizations utilizing these Huawei systems should consider this vulnerability as a high-priority concern given the potential for both operational disruption and the possibility of exploitation leading to further compromise of the communication infrastructure. The vulnerability demonstrates the importance of proper input validation and bounds checking in protocol implementations, particularly for systems handling real-time communication traffic where reliability and availability are paramount. This flaw underscores the need for comprehensive security testing of communication protocols and the critical importance of timely patch management for enterprise communication infrastructure. The vulnerability also highlights the broader security implications of insufficient protocol validation mechanisms that can be exploited by authenticated attackers to cause system instability and service disruption. Security teams should implement monitoring for unusual traffic patterns or repeated authentication attempts that might indicate exploitation attempts, while also ensuring that all affected systems are updated with appropriate security patches to prevent unauthorized access and system compromise. The impact of this vulnerability extends to organizations that depend on these devices for critical business operations, as the potential for service interruption and communication disruption can have cascading effects on business continuity and operational efficiency.