CVE-2018-17852 in WUZHI
Summary
by MITRE
A SQL injection was discovered in WUZHI CMS 4.1.0 in coreframe/app/coupon/admin/card.php via the groupname parameter to the /index.php?m=coupon&f=card&v=detail_listing URI.
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Analysis
by VulDB Data Team • 05/19/2023
The vulnerability identified as CVE-2018-17852 represents a critical SQL injection flaw within the WUZHI CMS 4.1.0 content management system. This vulnerability specifically affects the coupon management module, where the groupname parameter in the card.php file fails to properly sanitize user input before incorporating it into database queries. The attack vector occurs through the /index.php?m=coupon&f=card&v=detail_listing URI endpoint, making it accessible to remote attackers who can manipulate the groupname parameter to execute arbitrary SQL commands against the underlying database.
This SQL injection vulnerability falls under the CWE-89 category, which specifically addresses SQL injection flaws in software applications. The flaw stems from inadequate input validation and improper parameter handling within the application's database interaction layer. When the groupname parameter is processed without proper sanitization or parameterized query construction, malicious users can inject SQL code that bypasses authentication mechanisms, extracts sensitive data, modifies database records, or even executes system commands depending on the database management system in use. The vulnerability represents a significant security risk as it allows attackers to gain unauthorized access to the database and potentially compromise the entire CMS infrastructure.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with the capability to manipulate the coupon system and potentially access other parts of the database. An attacker could exploit this flaw to enumerate database schema information, extract user credentials, modify coupon codes, or even escalate privileges within the CMS. The attack surface is particularly concerning because coupon management systems often contain sensitive business data including customer information, transaction records, and promotional data that could be monetized or used for further attacks. The vulnerability affects the core functionality of the CMS, making it a prime target for exploitation in automated attack campaigns.
Mitigation strategies for CVE-2018-17852 should prioritize immediate patching of the WUZHI CMS to version 4.1.1 or later, which contains the necessary security fixes. Organizations should implement proper input validation and parameterized queries throughout the application to prevent similar vulnerabilities from occurring in other modules. Network segmentation and web application firewalls can provide additional layers of protection by monitoring and filtering suspicious SQL injection patterns. The implementation of the principle of least privilege for database connections and regular security audits of CMS components can help identify and remediate similar vulnerabilities before they can be exploited. Security teams should also consider implementing database activity monitoring to detect anomalous SQL queries that may indicate exploitation attempts. This vulnerability demonstrates the critical importance of maintaining up-to-date software versions and following secure coding practices as outlined in the OWASP Top Ten and MITRE ATT&CK framework, particularly in the context of web application security and database protection mechanisms.