CVE-2017-11354 in Fiyo
Summary
by MITRE
Fiyo CMS v2.0.7 has an SQL injection vulnerability in dapur/apps/app_article/sys_article.php via the name parameter in editing or adding a tag name.
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Analysis
by VulDB Data Team • 10/26/2019
The vulnerability identified as CVE-2017-11354 affects Fiyo CMS version 2.0.7 and represents a critical SQL injection flaw that undermines the application's database security mechanisms. This vulnerability specifically manifests within the dapur/apps/app_article/sys_article.php component where user input is improperly handled during tag name operations. The flaw occurs when users attempt to edit or add tag names through the web interface, creating an attack vector that allows malicious actors to inject arbitrary SQL commands into the backend database queries.
The technical implementation of this vulnerability stems from insufficient input validation and sanitization within the application's parameter handling system. When the name parameter is processed in the sys_article.php file, the application fails to properly escape or filter user-supplied data before incorporating it into SQL query structures. This primitive input handling allows attackers to manipulate the SQL execution flow by injecting malicious SQL syntax through the tag name field. The vulnerability is classified as CWE-89 according to the Common Weakness Enumeration catalog, which specifically addresses SQL injection weaknesses where untrusted data is incorporated into database queries without proper sanitization.
From an operational impact perspective, this vulnerability presents severe consequences for systems running the affected Fiyo CMS version. Attackers can leverage this flaw to execute unauthorized database operations including but not limited to data extraction, modification, or deletion. The compromised system may suffer from complete data loss, unauthorized access to sensitive information, or potential system compromise through database privilege escalation. The vulnerability affects the core content management functionality and could enable attackers to gain persistent access to the application's backend database, potentially leading to full system infiltration.
The attack surface for this vulnerability extends beyond simple data theft as it provides attackers with the capability to manipulate the content management system's behavior. Successful exploitation could allow threat actors to add malicious content, modify existing articles, or even inject backdoors into the CMS infrastructure. The vulnerability's location within the tag management functionality suggests that attackers could leverage it to compromise the entire content management workflow, potentially affecting multiple users and content items within the system.
Mitigation strategies for this vulnerability should focus on immediate patching of the affected Fiyo CMS version to the latest available release that addresses the SQL injection flaw. Organizations should implement proper input validation and parameterized queries throughout the application codebase to prevent similar issues from occurring. The implementation of web application firewalls and database activity monitoring systems can provide additional layers of protection. Security teams should also conduct comprehensive code reviews to identify and remediate similar input handling issues across the entire application infrastructure, ensuring that all user-supplied data undergoes proper sanitization before database interaction. According to ATT&CK framework methodology, this vulnerability would be categorized under T1190 for exploit public-facing application and T1071.1 for application layer protocol, emphasizing the need for both network-level and application-level defensive measures.