CVE-2017-10933 in ZXDT22 SF01
Summary
by MITRE
All versions prior to V2.06.00.00 of ZTE ZXDT22 SF01, an monitoring system of ZTE energy product, are impacted by directory traversal vulnerability that allows remote attackers to read arbitrary files on the system via a full path name after host address.
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Analysis
by VulDB Data Team • 11/26/2019
The vulnerability identified as CVE-2017-10933 affects ZTE ZXDT22 SF01 monitoring systems running firmware versions prior to V2.06.00.00, representing a critical directory traversal flaw that exposes sensitive system data to remote attackers. This vulnerability resides within the energy monitoring product line manufactured by ZTE, a telecommunications equipment provider known for its network infrastructure solutions. The flaw specifically manifests in the system's handling of file path requests, where insufficient input validation allows malicious actors to manipulate directory navigation sequences and access unauthorized files on the system.
The technical implementation of this directory traversal vulnerability stems from inadequate sanitization of user-supplied input parameters within the web interface of the monitoring system. Attackers can exploit this weakness by crafting malicious HTTP requests containing directory traversal sequences such as ../ or ..\ that bypass normal access controls. When the system processes these requests without proper validation, it interprets the crafted paths and returns the contents of arbitrary files located on the server filesystem. This vulnerability falls under CWE-22, which specifically addresses improper limitation of a pathname to a restricted directory, commonly known as directory traversal or path traversal attacks.
The operational impact of this vulnerability extends beyond simple information disclosure, as it potentially allows attackers to access critical system files including configuration data, authentication credentials, and operational parameters that could compromise the entire monitoring infrastructure. Given that this system operates in energy monitoring environments, the exposure of sensitive operational data could lead to unauthorized access to energy consumption patterns, system configurations, and potentially enable further exploitation of the network infrastructure. The remote nature of the attack means that threat actors do not require physical access to the device or network proximity, making the vulnerability particularly dangerous in enterprise environments.
Security professionals should note that this vulnerability aligns with ATT&CK technique T1083, which involves discovering system information through directory listing and file enumeration activities. The affected ZTE monitoring systems represent a significant risk to industrial control systems and energy management networks where such devices often operate in isolated but critical environments. Organizations utilizing these systems should immediately implement firmware updates to V2.06.00.00 or later versions that address the directory traversal vulnerability. Additional mitigations include network segmentation of these monitoring systems, implementation of web application firewalls, and regular security assessments of industrial control systems to identify similar vulnerabilities in other networked devices. The vulnerability demonstrates the critical importance of proper input validation and access control mechanisms in embedded systems and industrial monitoring solutions, particularly those handling sensitive operational data in energy infrastructure environments.