CVE-2016-8271 in eSpace IAD
Summary
by MITRE
Huawei eSpace IAD V300R002C01SPC100 and earlier versions have an information leak vulnerability; an attacker can check and download the fault information by accessing a special URL.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 11/24/2022
The vulnerability identified as CVE-2016-8271 affects Huawei eSpace IAD V300R002C01SPC100 and earlier versions, representing a critical information disclosure flaw that exposes sensitive system data through unauthorized access mechanisms. This vulnerability resides within the web-based management interface of the Huawei eSpace Integrated Access Device, which is designed to provide unified communication services including voice, video, and data connectivity for enterprise environments. The affected devices operate with a web server component that fails to properly implement access controls for sensitive diagnostic and operational information, creating an avenue for unauthorized parties to exploit the system's information disclosure mechanisms.
The technical exploitation of this vulnerability occurs through a specific URL access pattern that allows attackers to bypass normal authentication procedures and directly retrieve fault information from the device. This information leak represents a significant security weakness as it enables unauthorized parties to obtain detailed system diagnostics, error logs, and potentially sensitive operational data that could reveal network topology, device configurations, and system vulnerabilities. The flaw essentially provides a backdoor method for attackers to gather intelligence about the target system without proper authorization, making it particularly dangerous for enterprise environments where such information could be leveraged for further attacks.
From an operational impact perspective, this vulnerability creates substantial risks for organizations deploying Huawei eSpace IAD devices, as it allows attackers to collect sensitive operational data that could be used for targeted attacks against the network infrastructure. The information obtained through this vulnerability could include system error details, configuration parameters, and fault reports that might reveal weaknesses in the network design or expose potential attack vectors for more sophisticated exploitation attempts. The vulnerability's impact extends beyond simple information disclosure, as the leaked data could facilitate advanced persistent threat campaigns or provide attackers with the knowledge needed to conduct more targeted and effective attacks against the affected systems.
The vulnerability aligns with CWE-200, which describes "Information Exposure" as a weakness where the system provides information to attackers or improper access to information. This weakness specifically addresses the issue of information disclosure through inadequate access controls and insufficient authorization mechanisms. From an ATT&CK framework perspective, this vulnerability maps to techniques such as T1083 (File and Directory Discovery) and T1069 (Permission Groups Discovery) as attackers can leverage this flaw to discover and extract sensitive system information. The vulnerability also represents a failure in the principle of least privilege, where the device's web interface provides excessive access to sensitive operational data without proper authentication verification.
Mitigation strategies for this vulnerability should focus on immediate firmware updates to versions that address the information disclosure flaw, along with network segmentation to limit access to the affected devices. Organizations should implement network access controls to restrict access to the device's web management interface, deploy intrusion detection systems to monitor for suspicious URL access patterns, and conduct regular security assessments to identify similar vulnerabilities in other network infrastructure components. Additionally, implementing proper access controls and authentication mechanisms for all management interfaces, along with regular security audits of network devices, would significantly reduce the risk of exploitation and ensure compliance with security standards such as those outlined in the NIST Cybersecurity Framework and ISO 27001 requirements for information security management.