CVE-2009-2243 in ASP Inline Corporate Calendar
Summary
by MITRE
SQL injection vulnerability in active_appointments.asp in ASP Inline Corporate Calendar allows remote attackers to execute arbitrary SQL commands via the sortby parameter. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
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Analysis
by VulDB Data Team • 06/25/2024
The vulnerability identified as CVE-2009-2243 represents a critical SQL injection flaw within the ASP Inline Corporate Calendar application's active_appointments.asp component. This weakness enables remote attackers to manipulate the application's database interactions through the sortby parameter, potentially allowing full database access and arbitrary command execution. The vulnerability resides in the application's handling of user-supplied input without proper sanitization or parameterization, creating an exploitable entry point for malicious actors to compromise the underlying database infrastructure.
The technical implementation of this vulnerability stems from the application's failure to properly validate and sanitize input parameters before incorporating them into SQL query constructions. When the sortby parameter is processed, the application directly concatenates user input into database queries without appropriate escaping or parameter binding mechanisms. This design flaw aligns with CWE-89, which specifically addresses SQL injection vulnerabilities where untrusted data is incorporated into SQL commands without proper validation or sanitization. The vulnerability operates at the application layer where user input transitions into database execution contexts, making it particularly dangerous as it bypasses standard database access controls.
From an operational perspective, this vulnerability presents significant risks to organizations utilizing the ASP Inline Corporate Calendar system. Attackers can leverage this weakness to extract sensitive data including employee information, calendar entries, and potentially other organizational data stored within the database. The remote execution capability means that attackers do not require physical access to the system or network to exploit the vulnerability, making it particularly attractive for widespread attacks. The impact extends beyond simple data theft to include potential system compromise, data manipulation, and service disruption that could affect business operations and compliance requirements.
Security mitigations for this vulnerability should focus on implementing proper input validation and parameterized queries throughout the application code. The most effective approach involves replacing direct string concatenation with prepared statements or parameterized queries that separate user input from SQL command structure. Additionally, implementing proper input sanitization, output encoding, and least privilege database access controls can significantly reduce the attack surface. Organizations should also consider implementing web application firewalls and intrusion detection systems to monitor for exploitation attempts. The remediation process requires thorough code review and testing to ensure that all input parameters are properly validated before database interaction, aligning with industry best practices outlined in the OWASP Top Ten and NIST cybersecurity guidelines. This vulnerability demonstrates the critical importance of secure coding practices and input validation in preventing database-related exploits that can lead to comprehensive system compromise.