CVE-2007-3234 in Fuzzylime Forum
Summary
by MITRE
SQL injection vulnerability in low.php in Fuzzylime Forum 1.0 allows remote attackers to execute arbitrary SQL commands via the topic parameter.
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Analysis
by VulDB Data Team • 09/21/2024
The vulnerability identified as CVE-2007-3234 represents a critical sql injection flaw within the Fuzzylime Forum 1.0 software, specifically affecting the low.php script. This vulnerability resides in the handling of user input through the topic parameter, which is processed without adequate sanitization or validation mechanisms. The flaw enables remote attackers to manipulate the underlying database queries by injecting malicious sql code through the topic parameter, potentially allowing full database access and control over the forum's data. This vulnerability directly aligns with CWE-89 which categorizes sql injection as a fundamental weakness in software design where untrusted data is incorporated into sql queries without proper escaping or parameterization.
The technical exploitation of this vulnerability occurs when an attacker submits malicious input through the topic parameter in the low.php script. The application fails to properly escape or validate the input before incorporating it into database queries, creating an opportunity for sql injection attacks. When the vulnerable code processes the topic parameter, it directly concatenates user-supplied data into sql statements without appropriate security measures such as prepared statements or input sanitization. This allows attackers to manipulate the intended query structure and potentially execute arbitrary sql commands, including data extraction, modification, or deletion operations. The vulnerability operates at the application layer and requires no special privileges to exploit, making it particularly dangerous for web applications that handle sensitive user data.
The operational impact of CVE-2007-3234 extends beyond simple data theft, potentially enabling complete system compromise through database manipulation. Attackers could leverage this vulnerability to extract sensitive user information including passwords, personal data, and forum content. The vulnerability also permits modification or deletion of forum data, potentially causing denial of service or data corruption. In more severe scenarios, attackers might escalate privileges to gain shell access or execute arbitrary code on the web server, especially if the database user has elevated permissions. The vulnerability affects the confidentiality, integrity, and availability of the forum system, representing a significant risk to user privacy and system security. This type of vulnerability is categorized under the attack technique T1071.004 in the ATT&CK framework, which covers application layer protocol manipulation.
Mitigation strategies for CVE-2007-3234 must address both immediate remediation and long-term security improvements. The primary solution involves implementing proper input validation and parameterized queries to prevent sql injection attacks. Developers should replace direct string concatenation with prepared statements or stored procedures that separate sql code from data. Additionally, all user inputs must undergo strict validation and sanitization before processing, with appropriate escaping mechanisms applied based on the target database system. The forum software should implement proper error handling to prevent information disclosure and establish least privilege principles for database access. Security patches should be applied immediately, and the application should be updated to use modern database interaction methods that inherently prevent sql injection vulnerabilities. Organizations should also implement web application firewalls and conduct regular security assessments to identify and remediate similar vulnerabilities in their systems, aligning with security best practices outlined in NIST SP 800-45 and OWASP Top Ten security guidelines.