CVE-2007-3196 in Vbsupport Integrated Ticket System
Summary
by MITRE
SQL injection vulnerability in vBSupport.php in vSupport Integrated Ticket System 3.x.x allows remote attackers to execute arbitrary SQL commands via the ticketid parameter in a showticket action.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 10/27/2017
The vulnerability identified as CVE-2007-3196 represents a critical SQL injection flaw within the vSupport Integrated Ticket System version 3.x.x, specifically affecting the vBSupport.php component. This vulnerability arises from inadequate input validation and sanitization mechanisms that fail to properly escape or filter user-supplied data before incorporating it into SQL query constructions. The affected parameter ticketid within the showticket action creates an exploitable pathway where malicious actors can inject arbitrary SQL commands into the backend database through carefully crafted input sequences.
The technical exploitation of this vulnerability occurs when an attacker submits a malicious ticketid parameter value that contains SQL payload instructions. The vSupport system processes this unvalidated input directly within SQL query execution contexts without proper parameterization or input sanitization, allowing the injected SQL commands to be interpreted and executed by the underlying database engine. This flaw falls under the Common Weakness Enumeration category CWE-89, which specifically addresses SQL injection vulnerabilities where insufficient input validation enables attackers to manipulate database queries through malicious input data.
The operational impact of this vulnerability extends beyond simple data exfiltration, as remote attackers can potentially achieve complete database compromise including unauthorized data manipulation, privilege escalation, and system-wide information disclosure. Attackers may leverage this vulnerability to extract sensitive user credentials, customer information, support ticket details, and other confidential data stored within the integrated ticketing system. The remote nature of the attack means that exploitation can occur from any location without requiring physical access to the target system, making it particularly dangerous for organizations relying on web-based ticketing solutions.
Security professionals should implement immediate mitigations including input validation and parameterized query implementations to prevent further exploitation of this vulnerability. The recommended approach involves establishing strict input filtering mechanisms that validate ticketid parameter values against expected formats and implementing prepared statements or parameterized queries to ensure user input cannot alter the intended SQL query structure. Organizations should also consider implementing web application firewalls and intrusion detection systems to monitor for suspicious SQL injection patterns. Additionally, regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other components of the vSupport system or related applications, as this flaw demonstrates the importance of robust input validation practices in database-driven web applications. The vulnerability highlights the critical need for proper database access controls and the implementation of the principle of least privilege to limit potential damage from successful exploitation attempts.