CVE-2006-0252 in Benders Calendar
Summary
by MITRE
SQL injection vulnerability in Benders Calendar 1.0 allows remote attackers to execute arbitrary SQL commands via multiple parameters, as demonstrated by the (1) year, (2) month, and (3) day parameters.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 08/31/2017
The vulnerability identified as CVE-2006-0252 represents a critical SQL injection flaw in Benders Calendar version 1.0, a web-based calendar application that was widely used for scheduling and event management. This vulnerability resides in the application's handling of user input parameters, specifically affecting three key date-related parameters that are commonly used in calendar applications. The flaw allows remote attackers to inject malicious SQL code directly into the application's database queries, bypassing normal authentication and authorization mechanisms. The vulnerability affects the core functionality of the calendar system by enabling unauthorized access to sensitive data stored in the backend database, potentially exposing personal information, scheduling data, and user credentials.
The technical implementation of this vulnerability stems from inadequate input validation and sanitization within the calendar application's codebase. When users interact with the calendar interface, the application accepts date parameters including year, month, and day values without proper sanitization or parameterized query construction. This allows malicious actors to inject SQL payload strings that get executed within the database context, effectively transforming the legitimate calendar functionality into a vector for database exploitation. The vulnerability demonstrates a classic lack of input filtering that enables attackers to manipulate database queries through carefully crafted input sequences, making it particularly dangerous as it can be exploited without requiring authentication or specific privileges. The flaw aligns with CWE-89, which specifically addresses SQL injection vulnerabilities where untrusted data is incorporated into SQL commands without proper escaping or parameterization.
The operational impact of this vulnerability extends beyond simple data theft, as it can enable complete database compromise and potential system takeover. Attackers can leverage this vulnerability to extract sensitive information including user accounts, personal schedules, and potentially system configuration details that could be used for further attacks. The remote nature of the exploit means that attackers can target vulnerable systems from anywhere on the internet without requiring physical access or local network presence. This vulnerability also poses significant risk to organizations that rely on calendar applications for business operations, as it could lead to unauthorized access to confidential scheduling information and potential disruption of business processes. The attack surface is particularly concerning given that calendar applications often contain sensitive personal and business information that could be monetized or used for social engineering attacks.
Mitigation strategies for CVE-2006-0252 should focus on immediate application patching and input validation improvements. Organizations should implement parameterized queries or prepared statements to ensure that user input is properly escaped and treated as data rather than executable code. Input validation should be implemented at multiple levels including application code, web application firewalls, and database-level restrictions to provide defense in depth. Network segmentation and access control measures can help limit the potential impact of exploitation by restricting access to vulnerable systems. Additionally, implementing proper logging and monitoring of database queries can help detect suspicious activity that may indicate exploitation attempts. The vulnerability highlights the importance of following secure coding practices and adhering to standards such as those outlined in the OWASP Top Ten and NIST guidelines for preventing SQL injection attacks. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other applications and ensure that proper security controls are in place to prevent unauthorized database access. Organizations should also consider implementing intrusion detection systems and database activity monitoring tools to provide early warning of potential exploitation attempts.