CVE-2018-17048 in FDCMS
Summary
by MITRE
admin/Lib/Action/FpluginAction.class.php in FDCMS (aka Fangfa Content Manage System) 4.2 allows SQL Injection.
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Analysis
by VulDB Data Team • 09/21/2023
The vulnerability identified as CVE-2018-17048 represents a critical SQL injection flaw within the Fangfa Content Management System version 4.2. This vulnerability exists in the FpluginAction.class.php file located within the admin/Lib/Action/ directory of the application. The flaw arises from inadequate input validation and sanitization mechanisms that fail to properly escape or filter user-supplied data before incorporating it into SQL query constructions. The affected component processes administrative plugin actions without sufficient protection against malicious SQL payloads, creating an exploitable entry point for attackers to manipulate database operations.
The technical implementation of this vulnerability stems from improper handling of user parameters within the SQL query execution context. When administrators interact with plugin management functionalities, the application directly incorporates unsanitized input into database queries without appropriate parameterization or escaping mechanisms. This design flaw aligns with CWE-89, which specifically addresses SQL injection vulnerabilities where untrusted data is concatenated or interpolated into SQL commands. The vulnerability allows an attacker to inject malicious SQL code through carefully crafted input parameters that are then executed by the database engine, potentially enabling unauthorized data access, modification, or deletion.
The operational impact of this vulnerability extends beyond simple data compromise, as it provides attackers with elevated privileges within the system. Successful exploitation could enable attackers to extract sensitive information including administrative credentials, user data, and system configurations. The vulnerability particularly affects the administrative functionality of the CMS, potentially allowing attackers to escalate privileges, modify content, or even gain complete system control. According to ATT&CK framework, this vulnerability maps to T1071.005 Application Layer Protocol: Web Protocols and T1046 Network Service Scanning, as attackers would need to identify and exploit the specific endpoint to perform reconnaissance and execute malicious payloads. The attack surface is further expanded by the fact that this vulnerability exists within the administrative interface, making it particularly dangerous for organizations relying on the CMS for content management.
Mitigation strategies for CVE-2018-17048 should prioritize immediate patching of the affected FDCMS version 4.2, as this represents the most effective defense against exploitation. Organizations should implement proper input validation and parameterized queries throughout the application codebase, ensuring that all user inputs are properly sanitized before database interaction. The implementation of web application firewalls and database activity monitoring can provide additional layers of protection by detecting and blocking suspicious SQL injection attempts. Security teams should also conduct thorough code reviews focusing on database interaction patterns and implement proper access controls to limit the impact of potential exploitation. Organizations should follow the principle of least privilege when configuring database accounts and ensure that administrative functions are properly secured with multi-factor authentication mechanisms to reduce the attack surface and limit potential damage from successful exploitation attempts.