CVE-2018-17415 in zzcms
Summary
by MITRE
zzcms V8.3 has a SQL injection in /user/zs_elite.php via the id parameter.
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Analysis
by VulDB Data Team • 07/29/2023
The vulnerability CVE-2018-17415 represents a critical SQL injection flaw in zzcms version 8.3, specifically within the /user/zs_elite.php script. This vulnerability arises from improper input validation and sanitization of the id parameter, which allows malicious actors to inject arbitrary SQL commands into the database query execution flow. The flaw exists in the application's user management module where the id parameter is directly incorporated into SQL statements without adequate protection mechanisms. This creates a pathway for attackers to manipulate database queries and potentially gain unauthorized access to sensitive information stored within the system.
The technical implementation of this vulnerability stems from the application's failure to properly escape or parameterize user-supplied input before incorporating it into database operations. When an attacker submits a malicious id parameter value containing SQL injection payloads, the application processes this input directly within the SQL query structure, enabling the execution of unauthorized database commands. This weakness aligns with CWE-89 which specifically addresses SQL injection vulnerabilities where untrusted data is incorporated into SQL queries without proper sanitization. The vulnerability can be exploited to perform various malicious activities including data extraction, modification, or deletion of database records.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with potential access to user credentials, personal information, and other sensitive data stored within the zzcms database. Successful exploitation could lead to complete database compromise, allowing attackers to escalate privileges and potentially gain control over the entire web application infrastructure. The vulnerability affects the application's user elite management functionality, which typically handles premium user listings and related data, making it particularly attractive to threat actors seeking to access valuable user information. This weakness can be classified under ATT&CK technique T1071.005 for application layer protocol manipulation and T1190 for exploitation of vulnerabilities in web applications.
Mitigation strategies for CVE-2018-17415 should prioritize immediate implementation of proper input validation and parameterized queries to prevent SQL injection attacks. Organizations should apply the vendor-provided patch or upgrade to a secure version of zzcms that addresses this vulnerability. Additional protective measures include implementing web application firewalls, conducting regular security testing, and establishing proper database access controls. The fix should ensure that all user-supplied input undergoes strict validation and sanitization before being processed by the database engine, preventing malicious SQL code execution. Security teams should also monitor database logs for suspicious activities and implement comprehensive logging to detect potential exploitation attempts. Regular security assessments and penetration testing can help identify similar vulnerabilities in other application components, ensuring overall system resilience against SQL injection attacks and maintaining compliance with industry standards such as those outlined in the OWASP Top Ten and NIST cybersecurity frameworks.