CVE-2017-15331 in Huawei
Summary
by MITRE
Huawei AR120-S V200R006C10, V200R007C00, V200R008C20, V200R008C30, AR1200 V200R006C10, V200R006C13, V200R007C00, V200R007C01, V200R007C02, V200R008C20, V200R008C30, AR1200-S V200R006C10, V200R007C00, V200R008C20, V200R008C30, AR150 V200R006C10, V200R007C00, V200R007C01, V200R007C02, V200R008C20, V200R008C30, AR150-S V200R006C10, V200R007C00, V200R008C20, V200R008C30, AR160 V200R006C10, V200R006C12, V200R007C00, V200R007C01, V200R007C02, V200R008C20, V200R008C30, AR200 V200R006C10, V200R007C00, V200R007C01, V200R008C20, V200R008C30, AR200-S V200R006C10, V200R007C00, V200R008C20, V200R008C30, AR2200 V200R006C10, V200R006C13, V200R006C16PWE, V200R007C00, V200R007C01, V200R007C02, V200R008C20, V200R008C30, AR2200-S V200R006C10, V200R007C00, V200R008C20, V200R008C30, AR3200 V200R006C10, V200R006C11, V200R007C00, V200R007C01, V200R007C02, V200R008C00, V200R008C10, V200R008C20, V200R008C30, AR510 V200R006C10, V200R006C12, V200R006C13, V200R006C15, V200R006C16, V200R006C17, V200R007C00, V200R008C20, V200R008C30, DP300 V500R002C00, IPS Module V100R001C10SPC200, V100R001C20, V100R001C30, V500R001C00, V500R001C20, V500R001C30, V500R001C50, MAX PRESENCE V100R001C00, NGFW Module V100R001C10SPC200, V100R001C20, V100R001C30, V500R001C00, V500R001C20, V500R002C00, V500R002C10, NIP6300 V500R001C00, V500R001C20, V500R001C30, V500R001C50, NIP6600 V500R001C00, V500R001C20, V500R001C30, V500R001C50, NIP6800 V500R001C50, NetEngine16EX V200R006C10, V200R007C00, V200R008C20, V200R008C30, RP200 V500R002C00SPC200, V600R006C00, RSE6500 V500R002C00, SMC2.0 V100R003C10, V100R005C00, V500R002C00, V500R002C00T, V600R006C00, V600R006C00T, SRG1300 V200R006C10, V200R007C00, V200R007C02, V200R008C20, V200R008C30, SRG2300 V200R006C10, V200R007C00, V200R007C02, V200R008C20, V200R008C30, SRG3300 V200R006C10, V200R007C00, V200R008C20, V200R008C30, SVN5600 V200R003C00, V200R003C10, SVN5800 V200R003C00, V200R003C10, SVN5800-C V200R003C00, V200R003C10, Secospace USG6300 V100R001C10, V100R001C20, V100R001C30, V500R001C00, V500R001C20, V500R001C30, V500R001C50, Secospace USG6500 V100R001C10, V100R001C20, V100R001C30, V500R001C00, V500R001C20, V500R001C30, V500R001C50, TE30 V100R001C10, V500R002C00, V600R006C00, TE40 V500R002C00, V600R006C00, TE50 V500R002C00, V600R006C00, TE60 V100R001C01, V100R001C10, V500R002C00, V600R006C00, TP3106 V100R002C00, TP3206 V100R002C00, USG9500 V500R001C00, V500R001C20, V500R001C30, V500R001C50, USG9520 V300R001C01, V300R001C20, USG9560 V300R001C01, V300R001C20, USG9580 V300R001C01, V300R001C20, ViewPoint 9030 V100R011C02, V100R011C03, have an out-of-bounds read vulnerability in H323 protocol. An unauthenticated, remote attacker may send crafted packets to the affected products. Due to insufficient verification of the packets, successful exploit will cause process reboot.
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Analysis
by VulDB Data Team • 02/06/2023
The vulnerability identified as CVE-2017-15331 affects multiple Huawei network security appliances and routing devices, including various models from the AR, AR1200, AR150, AR160, AR200, AR2200, AR3200, AR510, DP300, IPS Module, NGFW Module, NIP6300, NIP6600, NIP6800, NetEngine16EX, RP200, RSE6500, SMC2.0, SRG1300, SRG2300, SRG3300, SVN5600, SVN5800, SVN5800-C, Secospace USG6300, Secospace USG6500, TE30, TE40, TE50, TE60, TP3106, TP3206, USG9500, USG9520, USG9560, USG9580, and ViewPoint series. This vulnerability stems from an out-of-bounds read condition within the H323 protocol implementation, which is a widely used protocol for multimedia communication over IP networks. The flaw manifests when the system receives crafted packets that are not properly validated, leading to an attempt to read memory locations beyond the bounds of allocated buffers.
The technical nature of this vulnerability places it under the Common Weakness Enumeration category CWE-125, which describes out-of-bounds read conditions where a program attempts to access memory beyond the allocated buffer boundaries. This weakness typically arises from insufficient input validation and can result in unpredictable behavior, including crashes, information disclosure, or in some cases, remote code execution. The specific context of this vulnerability involves the H323 protocol handler within Huawei's network infrastructure devices, which are designed to process and forward multimedia communications. The protocol is commonly used in video conferencing systems, VoIP implementations, and other real-time communication services. When an attacker sends maliciously crafted packets that exploit the buffer overflow condition, the system's memory management routines attempt to access invalid memory locations, resulting in a process crash or system reboot.
The operational impact of this vulnerability is significant, particularly in enterprise and service provider environments where these devices serve as critical network infrastructure components. The fact that the vulnerability is remotely exploitable and does not require authentication makes it especially dangerous. An unauthenticated attacker can cause service disruption by triggering device reboots, which can lead to denial of service conditions that may last from minutes to hours depending on the device's recovery mechanisms. The vulnerability affects a wide range of Huawei products that are deployed in various network architectures, from small branch offices to large enterprise networks and service provider core infrastructure, potentially causing widespread disruption if exploited at scale. This vulnerability aligns with the MITRE ATT&CK framework under the T1499.004 technique for "Endpoint Denial of Service" and the T1071.004 technique for "Application Layer Protocol: DNS" if the attack vectors involve protocol manipulation.
Mitigation strategies for this vulnerability should include immediate deployment of security patches provided by Huawei, which would address the input validation flaws in the H323 protocol handler. Organizations should also implement network segmentation to limit the exposure of affected devices to untrusted networks and consider implementing intrusion detection systems to monitor for suspicious traffic patterns that may indicate exploitation attempts. Additionally, network administrators should disable unnecessary H323 services and protocols on devices where they are not required, reducing the attack surface. The vulnerability highlights the importance of robust input validation and memory safety practices in network security appliances, particularly those handling real-time communication protocols. Regular vulnerability assessments and security updates should be part of the operational procedures for maintaining the security posture of these critical network infrastructure components. Organizations should also consider implementing network access controls and monitoring mechanisms to detect and prevent unauthorized access attempts to these devices, as the lack of authentication requirements makes them particularly vulnerable to automated scanning and exploitation campaigns.