CVE-2008-4498 in Phpautos
Summary
by MITRE
SQL injection vulnerability in searchresults.php in PHP Autos 2.9.1 allows remote attackers to execute arbitrary SQL commands via the catid parameter.
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Analysis
by VulDB Data Team • 11/07/2024
The vulnerability identified as CVE-2008-4498 represents a critical SQL injection flaw within the PHP Autos 2.9.1 web application, specifically affecting the searchresults.php script. This vulnerability resides in the handling of user-supplied input through the catid parameter, which is processed without adequate sanitization or validation mechanisms. The flaw enables malicious actors to inject arbitrary SQL commands into the database query execution flow, potentially compromising the entire backend database infrastructure. Such vulnerabilities are particularly dangerous in web applications where user input directly influences database operations, as they can lead to complete system compromise and data exfiltration. The vulnerability affects the application's search functionality where category identifiers are used to filter database results, making it a prime target for exploitation by attackers seeking to manipulate or extract sensitive information from the underlying database.
The technical implementation of this vulnerability stems from improper input validation and sanitization practices within the PHP Autos application codebase. When the catid parameter is passed to searchresults.php, the application fails to properly escape or parameterize the input before incorporating it into SQL queries. This allows attackers to craft malicious payloads that can manipulate the intended database query structure, potentially leading to unauthorized data access, modification, or deletion. The vulnerability aligns with CWE-89, which specifically addresses SQL injection weaknesses in software applications, and represents a classic example of unsafe query construction where user-controllable data is directly concatenated into SQL statements without proper security measures. The attack vector is particularly straightforward since it involves a single parameter that can be manipulated through standard web request methods, making exploitation relatively accessible to attackers with basic knowledge of SQL injection techniques.
The operational impact of this vulnerability extends beyond simple data theft, encompassing potential system compromise and business disruption. Successful exploitation could enable attackers to extract sensitive customer information, user credentials, and other proprietary data stored within the database. Additionally, the vulnerability may allow for data manipulation, enabling attackers to modify or delete critical information within the application's database. The implications for organizations using PHP Autos 2.9.1 are severe, as this vulnerability could be leveraged to establish persistent access to the system, potentially leading to further lateral movement within network infrastructure. The vulnerability also creates opportunities for attackers to escalate privileges and gain deeper system access, particularly if the database user account has elevated permissions. This type of vulnerability commonly maps to ATT&CK technique T1071.004 for application layer protocol usage and T1190 for exploitation of remote services, representing significant threats to organizational security postures.
Mitigation strategies for CVE-2008-4498 should prioritize immediate implementation of input validation and parameterized queries to prevent SQL injection attacks. Organizations should implement proper input sanitization techniques, including the use of prepared statements and parameterized queries that separate SQL command structure from data values. The application code must be updated to validate and sanitize all user-supplied input, particularly parameters used in database operations. Additionally, implementing proper access controls and database user privilege management can limit the potential damage from successful exploitation attempts. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities within the application codebase. The remediation process should also include implementing web application firewalls and intrusion detection systems that can help identify and block malicious SQL injection attempts. Organizations should also consider implementing proper error handling that prevents detailed database error messages from being exposed to end users, as these can provide valuable information to attackers attempting to exploit vulnerabilities. Regular security updates and patches should be applied to ensure that known vulnerabilities are addressed promptly, and comprehensive security training should be provided to development teams to prevent similar issues in future application development cycles.