CVE-2006-3518 in Webvizyon Portal
Summary
by MITRE
SQL injection vulnerability in SayfalaAltList.asp in Webvizyon Portal 2006 allows remote attackers to execute arbitrary SQL commands via the ID parameter.
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Analysis
by VulDB Data Team • 12/03/2024
The vulnerability identified as CVE-2006-3518 represents a critical SQL injection flaw within the Webvizyon Portal 2006 web application, specifically affecting the SayfalaAltList.asp component. This vulnerability arises from inadequate input validation and sanitization practices within the application's parameter handling mechanisms, creating a pathway for malicious actors to manipulate database queries through the ID parameter. The flaw exists in the application's inability to properly escape or validate user-supplied input before incorporating it into SQL command structures, thereby exposing the underlying database system to unauthorized access and manipulation attempts.
The technical exploitation of this vulnerability follows the classic SQL injection attack pattern where an attacker crafts malicious input containing SQL syntax within the ID parameter of the SayfalaAltList.asp page. When the vulnerable application processes this input without proper sanitization, the malicious SQL commands become part of the executed database query, potentially allowing attackers to extract sensitive data, modify database contents, or even gain elevated privileges within the database environment. This vulnerability directly maps to CWE-89 which categorizes SQL injection as a fundamental weakness in input validation and data handling processes. The attack vector operates through standard HTTP requests where the ID parameter is manipulated to inject malicious SQL code that bypasses normal application security controls.
The operational impact of this vulnerability extends beyond simple data theft, encompassing potential system compromise and unauthorized access to sensitive information stored within the Webvizyon Portal's database. Attackers could leverage this vulnerability to access confidential user data, administrative credentials, or business-critical information depending on the database schema and access permissions. The remote nature of the attack means that exploitation can occur from any location without requiring physical access to the target system, making this vulnerability particularly dangerous for web applications hosting sensitive data. This type of vulnerability also aligns with ATT&CK technique T1190 which describes the use of SQL injection to gain access to databases and extract or modify data. The vulnerability affects the confidentiality and integrity of the system's data layer, potentially leading to cascading security failures if the database contains privileged information or if the attacker can escalate privileges through the compromised database access.
Mitigation strategies for CVE-2006-3518 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 code from data, thereby eliminating the risk of malicious SQL code execution. Additionally, the application should employ proper error handling that does not expose database structure information to end users, as this information can aid attackers in crafting more sophisticated attacks. The system should also implement proper access controls and privilege management to limit the potential damage from successful exploitation attempts. Regular security audits and penetration testing should be conducted to identify similar vulnerabilities in other components of the web application. Network-level protections such as web application firewalls and intrusion detection systems can provide additional layers of defense against SQL injection attempts, though these should complement rather than replace proper application-level security controls. The remediation process should include comprehensive code review of all database interaction points to ensure that similar vulnerabilities do not exist elsewhere in the application codebase, as SQL injection remains one of the most prevalent and dangerous web application security flaws identified by security organizations worldwide.