CVE-2005-3932 in O-Kiraku Nikki
Summary
by MITRE
SQL injection vulnerability in okiraku.php in O-Kiraku Nikki 1.3 and earlier allows remote attackers to execute arbitrary SQL commands via the day_id parameter.
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Analysis
by VulDB Data Team • 09/03/2025
The vulnerability identified as CVE-2005-3932 represents a critical SQL injection flaw in the O-Kiraku Nikki web application version 1.3 and earlier. This vulnerability specifically affects the okiraku.php script which processes user input through the day_id parameter, creating an exploitable entry point for malicious actors to manipulate the underlying database operations. The flaw stems from insufficient input validation and sanitization mechanisms within the application's data handling processes, allowing attackers to inject malicious SQL code directly into the database query execution flow. This type of vulnerability falls under the common weakness enumeration CWE-89 which specifically addresses SQL injection vulnerabilities where untrusted data is incorporated into SQL commands without proper escaping or parameterization.
The technical exploitation of this vulnerability occurs when an attacker submits a crafted day_id parameter value that contains malicious SQL syntax. The application fails to properly escape or validate this input before incorporating it into database queries, enabling the attacker to manipulate the intended query structure. This manipulation can result in unauthorized data access, data modification, or complete database compromise depending on the attacker's objectives and the privileges of the database user account. The vulnerability is particularly dangerous because it allows remote code execution capabilities through SQL injection, enabling attackers to bypass authentication mechanisms and gain unauthorized access to sensitive information stored within the application's database. The attack vector is straightforward and requires minimal technical expertise, making it a popular target for both skilled and less experienced attackers.
The operational impact of this vulnerability extends beyond simple data theft to encompass complete system compromise and potential business disruption. Organizations using affected versions of O-Kiraku Nikki face significant risks including unauthorized data modification, complete database exposure, and potential lateral movement within network environments if the database server has access to other systems. The vulnerability's remote nature means that attackers can exploit it from anywhere on the internet without requiring physical access to the target system. This characteristic aligns with the attack technique T1071.004 from the MITRE ATT&CK framework which describes application layer protocol manipulation. The vulnerability also demonstrates characteristics of T1190 which involves exploiting vulnerabilities in web applications, making it a prime target for automated scanning tools and exploit frameworks that target known web application vulnerabilities.
Mitigation strategies for CVE-2005-3932 must focus on immediate patching of the affected application to the latest available version that addresses the SQL injection vulnerability. Organizations should implement proper input validation and sanitization measures including parameterized queries, prepared statements, and proper escaping of user-supplied data before database interaction. The application should enforce strict input validation on the day_id parameter to reject any non-numeric values or suspicious SQL syntax patterns. Additionally, implementing proper database access controls and privilege management ensures that even if exploitation occurs, the attacker's capabilities are limited. Security monitoring should be enhanced to detect unusual database query patterns that may indicate SQL injection attempts. Organizations should also consider implementing web application firewalls and intrusion detection systems to provide additional layers of protection against exploitation attempts. The vulnerability highlights the critical importance of regular security updates and the implementation of secure coding practices including the use of parameterized queries and proper input validation as recommended by the OWASP Top Ten project and other industry security standards.