CVE-2008-2336 in 68 Classifieds
Summary
by MITRE
SQL injection vulnerability in category.php in 68 Classifieds 4.0.1 allows remote attackers to execute arbitrary SQL commands via the cat parameter.
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Analysis
by VulDB Data Team • 10/23/2024
The vulnerability identified as CVE-2008-2336 represents a critical sql injection flaw within the 68 Classifieds 4.0.1 web application, specifically affecting the category.php script. This vulnerability resides in the handling of user-supplied input through the cat parameter, which is processed without adequate sanitization or validation mechanisms. The flaw enables remote attackers to inject malicious sql commands directly into the application's database query execution pipeline, potentially compromising the entire backend database system.
The technical implementation of this vulnerability stems from improper input validation within the category.php file where the cat parameter is directly incorporated into sql queries without appropriate escaping or parameterization techniques. This primitive approach to input handling creates an exploitable condition where attacker-controlled data can manipulate the intended sql query structure. The vulnerability aligns with CWE-89, which specifically addresses sql injection weaknesses in software applications. Attackers can leverage this flaw by crafting malicious payloads that exploit the lack of input sanitization, allowing them to execute unauthorized database operations including data retrieval, modification, or deletion.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with potential persistence mechanisms and privilege escalation opportunities within the affected system. Remote code execution capabilities may be achieved through database-level commands, depending on the database management system in use and the privileges assigned to the database user. The attack surface is particularly concerning given that the vulnerability affects a classifieds application, which typically contains sensitive user data, business information, and potentially financial records. This type of vulnerability also aligns with ATT&CK technique T1071.004, which covers application layer protocol manipulation, and T1046, representing network service scanning that can lead to exploitation of such vulnerabilities.
Mitigation strategies for CVE-2008-2336 should focus on immediate input validation and parameterized query implementation. The most effective remediation involves implementing proper input sanitization routines that filter or escape special sql characters from user-supplied parameters before they are processed. Database administrators should also enforce the principle of least privilege, ensuring that database accounts used by the application have minimal required permissions. Additionally, implementing web application firewalls and intrusion detection systems can help detect and prevent exploitation attempts. The vulnerability demonstrates the critical importance of secure coding practices and input validation as outlined in OWASP Top Ten security principles, particularly focusing on prevention of injection flaws through proper parameterization and input sanitization techniques. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other application components and ensure comprehensive protection against sql injection attacks.