CVE-2007-1602 in Weekly Drawing Contest
Summary
by MITRE
SQL injection vulnerability in check_vote.php in Weekly Drawing Contest 0.0.1 allows remote attackers to execute arbitrary SQL commands via the order parameter.
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Analysis
by VulDB Data Team • 10/11/2017
The vulnerability identified as CVE-2007-1602 represents a critical SQL injection flaw within the Weekly Drawing Contest web application version 0.0.1. This security weakness exists in the check_vote.php script which processes user input for voting operations within the contest system. The vulnerability specifically affects the order parameter handling, where user-supplied data is directly incorporated into SQL query constructions without proper sanitization or parameterization mechanisms. This design flaw creates an exploitable condition where malicious actors can manipulate the application's database interactions by injecting crafted SQL commands through the vulnerable parameter.
The technical exploitation of this vulnerability occurs when an attacker submits specially crafted input through the order parameter in the check_vote.php script. The application fails to validate or escape user input before incorporating it into database queries, allowing attackers to append malicious SQL statements that execute with the privileges of the database user. This type of vulnerability falls under the Common Weakness Enumeration category CWE-89, which specifically addresses SQL injection weaknesses in software applications. The flaw enables attackers to perform unauthorized database operations including data retrieval, modification, deletion, or even complete database compromise depending on the underlying database system's configuration and access controls.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with extensive database access capabilities that can lead to complete system compromise. Attackers can extract sensitive user information, manipulate contest results, modify application data, or potentially escalate privileges within the database environment. The vulnerability affects the integrity and confidentiality of the entire contest system, potentially compromising user privacy and contest fairness. Organizations running this version of the Weekly Drawing Contest application face significant risk of unauthorized data access and system manipulation, particularly in environments where database credentials have elevated privileges.
Mitigation strategies for this vulnerability require immediate implementation of proper input validation and parameterized query construction techniques. The recommended approach involves implementing prepared statements or parameterized queries to ensure that user input is properly separated from SQL command structures. Additionally, input sanitization measures should be applied to filter or escape special characters that could be used in SQL injection attacks. The application should also implement proper error handling to prevent information disclosure that could aid attackers in crafting successful exploits. Organizations should consider implementing web application firewalls and input validation rules to detect and block suspicious SQL injection attempts. This vulnerability demonstrates the critical importance of secure coding practices and the necessity of following established security guidelines such as those outlined in the OWASP Top Ten project to prevent such fundamental database security flaws. The remediation process should include comprehensive code review and testing to ensure that all database interaction points are properly secured against similar injection attacks.