CVE-2017-11418 in Fiyo
Summary
by MITRE
Fiyo CMS 2.0.7 has SQL injection in dapur/apps/app_article/controller/article_list.php via $_GET['cat'], $_GET['user'], $_GET['level'], and $_GET['iSortCol_'.$i].
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Analysis
by VulDB Data Team • 10/27/2019
The vulnerability identified as CVE-2017-11418 affects Fiyo CMS version 2.0.7 and represents a critical SQL injection flaw that compromises the database integrity of the affected system. This vulnerability exists within the application's administrative interface, specifically in the article_list.php controller file located at dapur/apps/app_article/controller/article_list.php. The flaw allows remote attackers to execute arbitrary SQL commands by manipulating several GET parameters including cat, user, level, and iSortCol_$i variables, which are directly incorporated into database queries without proper sanitization or input validation.
The technical nature of this vulnerability aligns with CWE-89, which defines SQL injection as the insertion of malicious SQL code into input fields for execution by the database engine. The affected parameters demonstrate a classic pattern of improper input handling where user-supplied data flows directly into SQL query construction without appropriate escaping or parameterization mechanisms. The iSortCol_$i parameter particularly indicates a dynamic sorting functionality that accepts user input to determine column ordering, making it a prime target for exploitation. This vulnerability falls under the ATT&CK technique T1190 - Exploit Public-Facing Application, as it represents an attack vector through the web application interface that can be exploited remotely without authentication.
The operational impact of this vulnerability is severe and multifaceted, potentially allowing attackers to extract sensitive data including user credentials, database schema information, and content from the CMS. Successful exploitation could enable unauthorized access to administrative functions, data manipulation, and potential full system compromise. The vulnerability affects the core administrative functionality of the CMS, making it particularly dangerous as it provides access to privileged operations that control content management and user access. Attackers could leverage this vulnerability to escalate privileges, modify or delete content, and potentially establish persistent access to the compromised system.
Mitigation strategies for this vulnerability should include immediate implementation of input validation and parameterized queries to prevent SQL injection attacks. The affected application should be updated to a patched version that addresses this vulnerability, as the vendor has likely released security updates. Additionally, implementing proper input sanitization techniques including the use of prepared statements, proper escaping of special characters, and validation of all user-supplied input parameters would effectively prevent exploitation. Network-level protections such as web application firewalls and intrusion detection systems can provide additional defense-in-depth measures. Regular security audits and penetration testing should be conducted to identify similar vulnerabilities in other application components, and the principle of least privilege should be enforced to limit the potential damage from successful exploitation attempts.