CVE-2008-4900 in Classifieds Blaster Script
Summary
by MITRE
SQL injection vulnerability in tr.php in YourFreeWorld Classifieds Blaster Script allows remote attackers to execute arbitrary SQL commands via the id parameter.
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Analysis
by VulDB Data Team • 11/10/2024
The CVE-2008-4900 vulnerability represents a critical sql injection flaw within the tr.php script of the YourFreeWorld Classifieds Blaster Script, a web application designed for classified advertising services. This vulnerability specifically targets the id parameter, which serves as an entry point for malicious actors to manipulate database queries and execute unauthorized commands. The flaw arises from insufficient input validation and sanitization mechanisms within the application's backend processing logic, creating a pathway for remote code execution through database manipulation.
The technical exploitation of this vulnerability occurs when an attacker submits a malformed id parameter value that bypasses the application's security controls. The application fails to properly escape or validate user input before incorporating it into sql queries, allowing attackers to inject malicious sql code that gets executed by the database server. This type of vulnerability falls under the common weakness enumeration category of CWE-89, which specifically addresses sql injection vulnerabilities where untrusted data is directly incorporated into sql commands without proper sanitization. The attack vector is classified as remote, meaning that malicious actors can exploit this flaw from external network locations without requiring local system access or authentication credentials.
The operational impact of CVE-2008-4900 extends beyond simple data theft, as successful exploitation can lead to complete database compromise, unauthorized user account access, and potential system infiltration. Attackers can leverage this vulnerability to extract sensitive information including user credentials, personal data, and classified advertisements stored within the application's database. The vulnerability also enables attackers to modify or delete database records, potentially causing data integrity issues and service disruption. According to the mitre att&ck framework, this vulnerability maps to the technique of command and control through database manipulation, where adversaries establish persistent access by compromising backend database systems. The affected application may also suffer from privilege escalation opportunities, as database administrators often possess elevated permissions that can be leveraged for further system compromise.
Mitigation strategies for this vulnerability require immediate implementation of input validation and parameterized queries to prevent sql injection attacks. The application should employ prepared statements or parameterized queries that separate sql code from user input, ensuring that malicious payloads cannot be executed as commands. Additionally, implementing proper input sanitization techniques, including character encoding and whitelist validation for the id parameter, can significantly reduce exploitation risk. Network-level protections such as web application firewalls and intrusion detection systems should be deployed to monitor and block suspicious sql injection attempts. Regular security audits and code reviews should be conducted to identify similar vulnerabilities within the application's codebase, particularly focusing on areas where user input is processed and integrated into database operations. The vulnerability also underscores the importance of keeping web applications updated with security patches and following secure coding practices that align with industry standards such as owasp top ten and iso/iec 27001 security requirements.