CVE-2018-10122 in Nature Easy Soft Chanzhi Enterprise Portal System
Summary
by MITRE
QingDao Nature Easy Soft Chanzhi Enterprise Portal System (aka chanzhieps) pro1.6 allows remote attackers to read arbitrary files via directory traversal sequences in the pathname parameter to www/file.php.
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Analysis
by VulDB Data Team • 01/25/2020
The CVE-2018-10122 vulnerability affects the QingDao Nature Easy Soft Chanzhi Enterprise Portal System, commonly known as chanzhieps version pro1.6, presenting a critical directory traversal flaw that enables remote attackers to access arbitrary files on the affected system. This vulnerability exists within the file.php script that processes pathname parameters without proper input validation or sanitization, creating a pathway for malicious actors to navigate through the file system beyond the intended boundaries. The vulnerability represents a classic implementation of CWE-22, which defines path traversal or directory traversal vulnerabilities as weaknesses that occur when applications fail to properly validate or sanitize user-supplied input that can be used to access files or directories outside of the intended scope.
The technical exploitation of this vulnerability involves sending specially crafted directory traversal sequences through the pathname parameter in the www/file.php endpoint, allowing attackers to bypass normal file access controls and retrieve sensitive files from the server's file system. This includes the potential to access configuration files, database credentials, application source code, and other sensitive data that should remain protected. The flaw demonstrates poor input validation practices where the application directly uses user-provided input to construct file paths without proper sanitization or access control checks, creating a fundamental security weakness that can be exploited from remote locations without requiring authentication or privileged access.
The operational impact of this vulnerability is severe as it provides attackers with unauthorized access to potentially sensitive system information, which could lead to further exploitation opportunities including privilege escalation, data theft, or complete system compromise. Organizations running affected versions of chanzhieps are exposed to risks of data breaches, intellectual property theft, and potential regulatory violations depending on the nature of the accessed data. The vulnerability's remote exploitability means that attackers can leverage this weakness from anywhere on the internet without requiring physical access to the network, making it particularly dangerous for organizations that do not maintain proper network segmentation or monitoring controls.
Mitigation strategies for CVE-2018-10122 should prioritize immediate patching of the affected chanzhieps pro1.6 system with the vendor-provided security update that addresses the directory traversal vulnerability. Organizations should implement proper input validation and sanitization mechanisms that prevent traversal sequences from being processed as part of file path construction, including the use of allowlists for valid file paths and proper encoding of user input. Network-level protections such as web application firewalls and intrusion prevention systems can provide additional layers of defense by detecting and blocking malicious traversal attempts. Security monitoring should include detection of unusual file access patterns and directory traversal attempts in web server logs, while regular security assessments should verify that no similar vulnerabilities exist in other components of the application stack. The vulnerability aligns with ATT&CK technique T1083 (File and Directory Discovery) and T1566 (Phishing) as attackers may use the retrieved information to craft more sophisticated attacks or exploit additional weaknesses in the compromised environment.