CVE-2017-17184 in DP300
Summary
by MITRE
Huawei DP300 V500R002C00, RP200 V500R002C00, V600R006C00, TE30 V100R001C10, V500R002C00, V600R006C00, TE40 V500R002C00, V600R006C00, TE50 V500R002C00, V600R006C00, TE60 V100R001C10, V500R002C00, V600R006C00 have an integer overflow vulnerability. Due to insufficient input validation, an authenticated, remote attacker could send malformed SOAP packets to the target device. Successful exploit could cause an integer overflow and might reset a process.
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Analysis
by VulDB Data Team • 02/08/2023
The vulnerability identified as CVE-2017-17184 affects multiple Huawei communication devices including DP300, RP200, TE30, TE40, TE50, and TE60 models across various firmware versions. This integer overflow vulnerability represents a critical security flaw that undermines the integrity and availability of these networked endpoints. The affected devices operate within enterprise communication environments where reliability and security are paramount, making this vulnerability particularly concerning for organizations relying on Huawei's video conferencing and collaboration solutions.
The technical flaw manifests through insufficient input validation mechanisms within the SOAP (Simple Object Access Protocol) processing components of these devices. When an authenticated remote attacker sends malformed SOAP packets to the target system, the application fails to properly validate integer values in incoming requests. This validation gap allows the attacker to craft specially crafted payloads that trigger integer overflow conditions within the device's processing logic. The vulnerability specifically impacts the handling of integer variables that control memory allocation or loop iterations, causing the system to process values beyond their maximum representable range. According to CWE classification, this corresponds to CWE-190, Integer Overflow or Wraparound, which occurs when a program performs arithmetic operations on integer values that exceed the maximum value that can be represented by the data type.
The operational impact of this vulnerability extends beyond simple system instability to potentially compromise the availability and integrity of critical communication services. Successful exploitation of the integer overflow can cause processes within the device to reset unexpectedly, leading to service disruption for users engaged in video conferencing or collaboration sessions. This process reset behavior creates a denial of service condition that could be exploited repeatedly to maintain ongoing service disruption. The authenticated nature of the attack means that an attacker must first establish valid credentials, but this requirement does not significantly reduce the threat level given that many enterprise environments may have compromised accounts or that attackers could potentially obtain legitimate access through social engineering or other means. From an ATT&CK framework perspective, this vulnerability maps to T1071.004 Application Layer Protocol: Web Protocols and T1499.004 Endpoint Denial of Service, representing both network protocol manipulation and service availability compromise techniques.
Mitigation strategies for CVE-2017-17184 should focus on immediate firmware updates from Huawei to address the integer overflow vulnerability in the SOAP processing components. Organizations should implement network segmentation to limit access to these devices, ensuring that only authorized personnel can establish connections to the affected systems. Network monitoring should be enhanced to detect anomalous SOAP traffic patterns that might indicate exploitation attempts, with intrusion detection systems configured to alert on malformed SOAP packet structures. Access controls should be strengthened through multi-factor authentication implementation and regular credential rotation practices. Additionally, network administrators should consider implementing firewall rules that restrict SOAP traffic to only necessary sources and establish baseline network behavior for normal device operation to facilitate detection of abnormal process reset patterns. The vulnerability demonstrates the importance of input validation in networked applications and serves as a reminder of the critical need for regular security assessments and timely patch management across all enterprise network devices.