CVE-2008-3673 in Classified Ads
Summary
by MITRE
SQL injection vulnerability in browsecats.php in PozScripts Classified Ads allows remote attackers to execute arbitrary SQL commands via the cid parameter, a different vector than CVE-2008-3672.
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Analysis
by VulDB Data Team • 11/02/2024
The vulnerability identified as CVE-2008-3673 represents a critical SQL injection flaw within the browsecats.php component of PozScripts Classified Ads software. This security weakness specifically affects the handling of user input through the cid parameter, creating an avenue for malicious actors to manipulate database queries and potentially gain unauthorized access to sensitive information. The vulnerability operates independently from CVE-2008-3672, indicating a distinct attack vector that requires separate mitigation strategies. The flaw resides in the application's failure to properly sanitize or validate input parameters before incorporating them into database operations.
The technical implementation of this vulnerability stems from inadequate input validation mechanisms within the browsecats.php script. When a user provides a value for the cid parameter, the application directly incorporates this input into SQL query construction without appropriate sanitization or parameterization. This practice violates fundamental secure coding principles and creates a pathway for attackers to inject malicious SQL code that executes with the privileges of the database user. The vulnerability classifies under CWE-89, which specifically addresses SQL injection weaknesses, and aligns with ATT&CK technique T1071.004 for application layer protocol manipulation.
The operational impact of this vulnerability extends beyond simple data theft, as it enables attackers to execute arbitrary SQL commands against the underlying database system. Successful exploitation could result in complete database compromise, allowing unauthorized users to read, modify, or delete sensitive information including user credentials, classified advertisements, and potentially system configuration data. The remote nature of this attack vector means that adversaries can exploit the vulnerability from outside the network perimeter without requiring local system access. This capability significantly increases the attack surface and potential damage scope, particularly in environments where classified ads systems contain sensitive user data or business-critical information.
Mitigation strategies for CVE-2008-3673 should prioritize immediate implementation of proper input validation and parameterized queries throughout the PozScripts Classified Ads platform. The most effective approach involves implementing prepared statements or parameterized queries for all database interactions, ensuring that user input is properly escaped or validated before database processing. Additionally, input sanitization measures should be deployed to filter out potentially malicious characters and patterns that could be used in SQL injection attacks. Network-level protections including web application firewalls and intrusion prevention systems can provide additional layers of defense, though these should complement rather than replace proper code-level fixes. Regular security assessments and code reviews should be conducted to identify and remediate similar vulnerabilities throughout the application codebase, ensuring adherence to secure coding standards and reducing the overall attack surface of the classified ads platform.