CVE-2007-3519 in phpEventCalendar
Summary
by MITRE
SQL injection vulnerability in eventdisplay.php in phpEventCalendar 0.2.3 and earlier allows remote attackers to execute arbitrary SQL commands via the id parameter.
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Analysis
by VulDB Data Team • 09/24/2024
The vulnerability identified as CVE-2007-3519 represents a critical sql injection flaw within the phpEventCalendar web application version 0.2.3 and earlier. This vulnerability exists in the eventdisplay.php script which processes user input through the id parameter, creating an exploitable condition that allows remote attackers to manipulate the underlying database queries. The flaw stems from insufficient input validation and sanitization mechanisms that fail to properly escape or filter user-supplied data before incorporating it into sql command structures.
This vulnerability falls under the common weakness enumeration CWE-89 which specifically addresses sql injection attacks where untrusted data is directly included in sql queries without proper sanitization. The attack vector is particularly dangerous as it enables remote code execution through database manipulation, allowing adversaries to potentially extract sensitive information, modify database records, or even gain administrative access to the underlying system. The id parameter serves as the primary entry point for exploitation, where malicious input can be crafted to alter the intended sql query structure and execute unauthorized commands.
The operational impact of this vulnerability extends beyond simple data theft, as it can lead to complete system compromise and unauthorized access to sensitive information stored within the phpEventCalendar application. Attackers can leverage this flaw to perform unauthorized database operations including but not limited to data extraction, modification, or deletion of critical system information. The vulnerability affects all versions up to and including 0.2.3, indicating a long-standing issue that was not properly addressed in the application's security architecture. This type of vulnerability aligns with ATT&CK technique T1071.004 which covers application layer protocol manipulation and can be classified under T1190 for exploitation of vulnerabilities in web applications.
Mitigation strategies for this vulnerability require immediate patching of the affected phpEventCalendar application to version 0.2.4 or later where the sql injection flaw has been resolved. Organizations should implement proper input validation and parameterized queries to prevent similar issues in the future, ensuring that all user-supplied data is properly sanitized before database interaction. Additionally, deployment of web application firewalls and regular security assessments can help detect and prevent exploitation attempts. The fix typically involves implementing proper escaping mechanisms for sql queries and adopting prepared statements that separate sql command structure from user data, thereby eliminating the possibility of malicious sql command injection through the id parameter.