CVE-2008-1344 in EasyCalendar
Summary
by MITRE
Multiple SQL injection vulnerabilities in MyioSoft EasyCalendar 4.0tr and earlier allow remote attackers to execute arbitrary SQL commands via the (1) year parameter in a dayview action to plugins/calendar/calendar_backend.php and the (2) page parameter to ajaxp_backend.php.
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Analysis
by VulDB Data Team • 10/19/2024
The vulnerability identified as CVE-2008-1344 represents a critical security flaw in MyioSoft EasyCalendar version 4.0tr and earlier, exposing the application to remote SQL injection attacks. This vulnerability stems from insufficient input validation and sanitization within the calendar application's backend components, specifically affecting two distinct attack vectors that leverage user-controllable parameters to manipulate database queries. The flaw exists in the calendar_backend.php file where the year parameter in the dayview action is not properly sanitized, and in ajaxp_backend.php where the page parameter lacks adequate input filtering mechanisms.
The technical implementation of this vulnerability demonstrates poor secure coding practices that directly violate established security principles and standards. According to CWE-89, this vulnerability maps to SQL injection flaws where user-supplied input is directly incorporated into SQL query construction without proper escaping or parameterization. The attack occurs when remote adversaries manipulate the year parameter in calendar_backend.php or the page parameter in ajaxp_backend.php, allowing them to inject malicious SQL commands that execute within the database context. This represents a classic case of insecure direct object reference combined with SQL injection, where attackers can bypass authentication, extract sensitive data, modify database records, or even gain complete control over the underlying database system.
The operational impact of this vulnerability extends beyond simple data compromise, creating significant risks for organizations relying on the affected calendar application. Attackers can leverage these vulnerabilities to perform unauthorized database operations including but not limited to data exfiltration, privilege escalation, and potential system compromise. The remote nature of the attack means that exploitation does not require physical access to the system, making it particularly dangerous for web applications that are publicly accessible. The vulnerability affects the core functionality of the calendar application, potentially disrupting business operations while simultaneously providing attackers with persistent access to sensitive organizational data stored within the database.
Mitigation strategies for this vulnerability must address the fundamental root cause through proper input validation and parameterized query implementation. Organizations should immediately upgrade to a patched version of MyioSoft EasyCalendar or implement proper input sanitization measures that filter and validate all user-controllable parameters before they are processed by database queries. The implementation of prepared statements or parameterized queries should be enforced throughout the application codebase to prevent direct concatenation of user input with SQL commands. Additionally, network-level protections such as web application firewalls and intrusion detection systems can provide additional layers of defense against exploitation attempts. According to ATT&CK framework domain T1190, this vulnerability aligns with the technique of exploiting vulnerabilities in applications, and organizations should implement comprehensive patch management processes to prevent such exploitation vectors from being successfully utilized against their systems.