CVE-2017-17183 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-2017-17183 affects multiple Huawei video conferencing and collaboration devices including DP300, RP200, TE30, TE40, TE50, and TE60 models across various firmware versions. This integer overflow vulnerability represents a critical security flaw that stems from inadequate input validation mechanisms within the SOAP packet processing functionality of these networked devices. The affected products are designed for enterprise communication environments where they handle various network protocols including SOAP for web services communication, making them attractive targets for sophisticated attackers seeking to compromise corporate networks.
The technical flaw manifests when an authenticated remote attacker exploits insufficient input validation controls in the SOAP message parsing component of these Huawei devices. When malformed SOAP packets are transmitted to the target system, the vulnerable code fails to properly validate integer values within the packet structure, leading to an integer overflow condition. This overflow occurs during the processing of packet headers or payload data where integer variables exceed their maximum representable values, causing unpredictable behavior in the system's memory management and execution flow. The vulnerability specifically impacts the SOAP-based web services interface that these devices utilize for configuration management and remote administration functions.
The operational impact of this vulnerability extends beyond simple service disruption to potentially enable more sophisticated attack vectors within enterprise network environments. Successful exploitation of the integer overflow can result in process resets or crashes, which may temporarily disrupt video conferencing services and communication capabilities for organizations relying on these devices. However, the remote authentication requirement mitigates some attack surface considerations, as attackers must first obtain valid credentials to exploit the vulnerability. The potential for process reset operations provides attackers with a mechanism to cause denial of service conditions that could impact business continuity and collaborative work environments where these devices are critical infrastructure components. This vulnerability aligns with CWE-190, Integer Overflow or Wraparound, which specifically addresses issues related to improper handling of integer values in software applications.
Organizations utilizing affected Huawei devices should implement immediate mitigation strategies to address this vulnerability. The primary recommendation involves applying the latest firmware updates provided by Huawei to patch the integer overflow condition in the SOAP processing code. Network segmentation and access control measures should be enhanced to limit the attack surface available to authenticated attackers who might attempt exploitation. Additionally, implementing network monitoring solutions to detect unusual SOAP packet traffic patterns can help identify potential exploitation attempts. Security teams should also consider disabling unnecessary SOAP services when not required for operational functions, reducing the attack surface for this specific vulnerability. The mitigation approach should align with standard ATT&CK framework techniques for defending against remote code execution and privilege escalation attacks that could potentially leverage this integer overflow condition as a stepping stone for more comprehensive system compromise. Regular security assessments and vulnerability scanning should be conducted to ensure that all networked devices within the organization maintain current security postures against similar integer overflow vulnerabilities.