CVE-2007-2621 in Thyme Calndar
Summary
by MITRE
SQL injection vulnerability in event_view.php in Thyme Calendar 1.3 allows remote attackers to execute arbitrary SQL commands via the eid parameter.
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Analysis
by VulDB Data Team • 09/15/2024
The vulnerability identified as CVE-2007-2621 represents a critical SQL injection flaw within the Thyme Calendar 1.3 web application, specifically affecting the event_view.php script. This issue arises from inadequate input validation and sanitization mechanisms that fail to properly filter user-supplied data before incorporating it into database queries. The vulnerability is particularly concerning as it operates through the eid parameter, which serves as the primary entry point for malicious actors to inject arbitrary SQL commands into the underlying database system. The flaw exists in the application's handling of calendar event identifiers, where user input is directly concatenated into SQL query strings without proper escaping or parameterization techniques. This vulnerability falls under the CWE-89 category, which specifically addresses SQL injection weaknesses in software applications. The attack vector is remote and requires no authentication, making it highly exploitable by malicious actors who can craft specially formatted requests to manipulate the database directly. The operational impact of this vulnerability extends beyond simple data theft, as successful exploitation can lead to complete database compromise, unauthorized data modification, privilege escalation, and potential system-wide compromise. Attackers can leverage this vulnerability to extract sensitive information from the calendar database, including user credentials, event details, and potentially other system-related data that may be stored within the same database infrastructure. The vulnerability demonstrates a fundamental flaw in the application's security architecture, specifically in its data handling and query construction processes. According to ATT&CK framework methodology, this vulnerability maps to the T1190 technique for exploiting vulnerabilities in web applications, and represents a classic example of how insufficient input validation can create pathways for malicious command execution. The attack surface is particularly broad as the vulnerability affects any user who can access the calendar application and has knowledge of the event identifier parameter structure. The exploitation process typically involves crafting malicious SQL payloads that are designed to bypass existing security controls and manipulate the database through the vulnerable endpoint. Organizations utilizing Thyme Calendar 1.3 should immediately implement mitigation strategies including input validation, parameterized queries, and proper database access controls. The vulnerability highlights the critical importance of secure coding practices and proper input sanitization, particularly in applications that handle user-supplied data for database operations. Database administrators should also implement monitoring solutions to detect anomalous query patterns that may indicate exploitation attempts. Additionally, the vulnerability underscores the need for regular security assessments and patch management processes to address known vulnerabilities in third-party applications. The affected application should be updated to a version that implements proper parameterized queries and input validation techniques to prevent similar issues from occurring in the future. Security teams should also conduct comprehensive penetration testing to identify and remediate other potential injection vulnerabilities throughout the application's codebase. The long-term solution involves implementing robust security frameworks that enforce secure coding practices and establish automated testing procedures to identify such vulnerabilities during the development lifecycle rather than after deployment.