CVE-2008-2906 in WebChamado
Summary
by MITRE
SQL injection vulnerability in lista_anexos.php in WebChamado 1.1 allows remote attackers to execute arbitrary SQL commands via the tsk_id parameter.
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Analysis
by VulDB Data Team • 10/28/2024
The vulnerability identified as CVE-2008-2906 represents a critical SQL injection flaw within the WebChamado 1.1 web application, specifically affecting the lista_anexos.php component. This security weakness resides in the application's handling of user-supplied input through the tsk_id parameter, which is processed without adequate sanitization or validation measures. The flaw enables malicious actors to manipulate the underlying database queries by injecting specially crafted SQL commands through the vulnerable parameter, potentially compromising the entire database infrastructure.
The technical exploitation of this vulnerability occurs when an attacker submits a malicious value through the tsk_id parameter in the lista_anexos.php script. The application fails to properly escape or validate this input before incorporating it into SQL query constructs, creating an environment where arbitrary SQL commands can be executed with the privileges of the database user. This type of injection vulnerability directly maps to CWE-89, which categorizes SQL injection as a fundamental weakness in input validation and data sanitization. The attack vector is particularly dangerous as it allows for remote code execution, data exfiltration, and potential system compromise without requiring authentication credentials.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with extensive control over the affected system's database layer. Successful exploitation could result in unauthorized access to sensitive information, data modification or deletion, privilege escalation, and potentially full system compromise. The vulnerability affects the confidentiality, integrity, and availability of the WebChamado 1.1 application, as attackers can manipulate database contents, extract confidential information, or disrupt normal operations. This weakness particularly threatens organizations relying on the application for ticket management or helpdesk functionality, where sensitive user data and business information may be stored.
Mitigation strategies for CVE-2008-2906 should prioritize immediate implementation of input validation and parameterized queries. The recommended approach involves implementing strict input sanitization for all user-supplied parameters, particularly the tsk_id field, through proper escaping mechanisms and validation routines. Organizations should deploy web application firewalls to detect and block malicious SQL injection attempts, while also implementing the principle of least privilege for database accounts. The remediation process requires updating the lista_anexos.php script to utilize prepared statements or parameterized queries, ensuring that user input is treated as data rather than executable code. Additionally, comprehensive security testing including penetration testing and code review should be conducted to identify and address similar vulnerabilities within the application's codebase, aligning with ATT&CK technique T1190 for exploitation of remote services and T1071.3 for application layer protocol manipulation.