CVE-2009-3971 in Com Jtips
Summary
by MITRE
SQL injection vulnerability in the jTips (com_jtips) component 1.0.7 and 1.0.9 for Joomla! allows remote attackers to execute arbitrary SQL commands via the season parameter in a ladder action to index.php.
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Analysis
by VulDB Data Team • 12/09/2024
The vulnerability identified as CVE-2009-3971 represents a critical SQL injection flaw within the jTips component version 1.0.7 and 1.0.9 for Joomla! content management systems. This vulnerability specifically targets the season parameter within the ladder action of the index.php script, creating an exploitable entry point for remote attackers to manipulate database queries. The issue stems from inadequate input validation and sanitization mechanisms that fail to properly escape or filter user-supplied data before incorporating it into SQL command structures.
The technical exploitation of this vulnerability occurs when an attacker crafts malicious input for the season parameter that gets directly embedded into database queries without proper sanitization. This allows attackers to inject arbitrary SQL commands that execute with the privileges of the web application's database user. The flaw resides in the component's handling of user input where dynamic SQL queries are constructed using string concatenation rather than parameterized queries or proper input filtering mechanisms. This vulnerability type maps directly to CWE-89 which categorizes improper neutralization of special elements used in SQL commands as a means of injection attacks.
The operational impact of this vulnerability extends beyond simple data theft or modification, as successful exploitation can enable attackers to perform complete database compromise including data exfiltration, unauthorized user account creation, privilege escalation, and potential system compromise. Given that Joomla! installations often contain sensitive user data, configuration information, and application logic, the consequences of unauthorized database access can be severe. Attackers can leverage this vulnerability to gain persistent access to the affected systems, potentially leading to complete application compromise and further lateral movement within network environments.
Mitigation strategies for CVE-2009-3971 should prioritize immediate patching of the affected jTips component to versions that properly sanitize user inputs and implement parameterized queries. Organizations should also implement input validation at multiple layers including web application firewalls, database query parameterization, and proper escape sequence handling. Network segmentation and privilege restriction of database accounts used by web applications can limit the potential damage from successful exploitation. Additionally, regular security assessments and vulnerability scanning should be conducted to identify similar injection flaws in other components and applications within the Joomla! ecosystem. The ATT&CK framework categorizes this vulnerability under the T1190 technique for SQL injection, highlighting the need for comprehensive defensive measures including proper input validation, database access controls, and application security testing to prevent exploitation.