CVE-2007-6566 in Community Classifieds
Summary
by MITRE
SQL injection vulnerability in post.php in XZero Community Classifieds 4.95.11 and earlier allows remote attackers to execute arbitrary SQL commands via the subcatid parameter to index.php.
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Analysis
by VulDB Data Team • 10/13/2024
The vulnerability identified as CVE-2007-6566 represents a critical sql injection flaw within the XZero Community Classifieds version 4.95.11 and earlier systems. This security weakness exists in the post.php script where the subcatid parameter from index.php is not properly sanitized or validated before being incorporated into database queries. The flaw enables remote attackers to manipulate the application's database interactions by injecting malicious sql code through the vulnerable parameter, potentially leading to unauthorized data access, modification, or deletion.
This vulnerability falls under the CWE-89 category of sql injection as defined by the common weakness enumeration framework, which classifies it as a severe weakness that allows attackers to execute arbitrary sql commands against the database. The attack vector is particularly concerning because it operates over remote network connections without requiring authentication, making it accessible to any attacker with knowledge of the application's structure. The specific parameter subcatid in the index.php script serves as the entry point for malicious sql payloads that can bypass normal input validation mechanisms.
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 flaw to extract sensitive user information including usernames, passwords, and personal data stored in the classifieds database. The vulnerability also permits unauthorized modification of classified listings, deletion of critical data, and potentially full administrative access to the application. This type of attack can result in significant financial losses, reputational damage, and regulatory compliance violations for organizations using affected versions of the classifieds platform.
Organizations should implement immediate mitigations including input validation and parameterized queries to prevent sql injection attacks. The recommended approach involves sanitizing all user inputs through proper escaping mechanisms and implementing prepared statements that separate sql code from data. Additionally, applying the latest security patches from the vendor and implementing web application firewalls can provide layered defense against such attacks. The vulnerability demonstrates the importance of regular security assessments and the need for secure coding practices that prevent sql injection through proper input handling and database query construction. Compliance with security standards such as those outlined in the owasp top ten and nist cybersecurity frameworks should be maintained to prevent similar vulnerabilities in future deployments.