CVE-2021-44348 in TuziCMS
Summary
by MITRE • 12/03/2021
SQL Injection vulnerability exists in TuziCMS v2.0.6 via the id parameer in App\Manage\Controller\AdvertController.class.php.
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Analysis
by VulDB Data Team • 12/09/2021
The SQL injection vulnerability identified as CVE-2021-44348 affects TuziCMS version 2.0.6 and represents a critical security flaw that allows attackers to execute arbitrary SQL commands through the id parameter in the AdvertController class. This vulnerability resides within the application's handling of user input in the advertisement management module, where insufficient input validation permits malicious SQL code to be injected and executed within the database layer. The flaw specifically manifests in the App\Manage\Controller\AdvertController.class.php file, making it a targeted attack vector for database compromise. According to CWE-89, this vulnerability falls under the category of SQL Injection, which is classified as a severe weakness in software security architecture. The ATT&CK framework categorizes this as a Database Enumeration technique where adversaries can leverage injection flaws to extract sensitive data from the backend database systems. The vulnerability occurs when user-supplied data flows directly into SQL queries without proper sanitization or parameterization, creating an exploitable pathway for malicious actors to manipulate database operations.
The operational impact of this vulnerability extends beyond simple data theft, as it enables attackers to perform complete database compromise including data exfiltration, modification, or deletion of critical information stored within the CMS. An attacker could potentially escalate privileges, access administrative accounts, or even gain command execution on the underlying server through database manipulation. The vulnerability affects the advertisement management functionality of the CMS, which may contain sensitive user data, campaign information, or business-critical metadata. Given that this is a SQL injection flaw, the attack surface includes all database operations that utilize the vulnerable id parameter, potentially exposing the entire database schema to unauthorized access. The exploitation process typically involves crafting malicious SQL payloads that bypass authentication mechanisms or directly manipulate database records through the advertisement management interface.
Mitigation strategies for CVE-2021-44348 must address the root cause through proper input validation and parameterized query implementation. Organizations should immediately upgrade to a patched version of TuziCMS where the vulnerability has been resolved through proper sanitization of user input parameters. The recommended approach involves implementing prepared statements or parameterized queries to ensure that user input cannot be interpreted as SQL commands. Additionally, input validation should be enforced at multiple layers including application-level filtering, database-level restrictions, and proper access controls to limit the impact of potential exploitation. Security measures should include implementing proper error handling to prevent information disclosure, establishing database user permissions that limit the actions an application can perform, and conducting regular security assessments to identify similar injection vulnerabilities across the entire application codebase. Network-based protections such as web application firewalls can provide additional defense-in-depth, though they should not be relied upon as the sole mitigation strategy. The vulnerability demonstrates the importance of following secure coding practices as outlined in OWASP Top Ten and other industry standards to prevent injection flaws that can lead to complete system compromise.