CVE-2008-6033 in WSN Links
Summary
by MITRE
SQL injection vulnerability in comments.php in WSN Links 2.20 allows remote attackers to execute arbitrary SQL commands via the id parameter.
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Analysis
by VulDB Data Team • 11/04/2024
The vulnerability identified as CVE-2008-6033 represents a critical SQL injection flaw within the WSN Links 2.20 web application, specifically affecting the comments.php script. This vulnerability resides in the handling of user input through the id parameter, which is processed without proper 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. The vulnerability is classified under CWE-89, which specifically addresses SQL injection attacks where untrusted data is incorporated into SQL commands without proper escaping or parameterization.
The technical exploitation of this vulnerability occurs when an attacker submits a specially crafted id parameter value that contains malicious SQL code. When the comments.php script processes this input, it directly incorporates the user-supplied data into the SQL query without any protective measures such as prepared statements or input validation. This allows attackers to manipulate the database query structure, potentially extracting sensitive information, modifying database records, or even executing administrative commands on the database server. The vulnerability is particularly dangerous because it operates at the database level, bypassing traditional application-level security controls and potentially providing attackers with full database access privileges.
The operational impact of this vulnerability extends beyond simple data theft, as it can lead to complete system compromise and data destruction. Attackers can leverage this vulnerability to perform unauthorized data access, data modification, or data deletion operations on the WSN Links database. The attack surface is broad since the comments.php script is likely used for user-generated content management, making it a frequent target for exploitation. Organizations using WSN Links 2.20 are at significant risk of unauthorized access to user accounts, personal information, and potentially sensitive business data stored within the application's database. This vulnerability aligns with ATT&CK technique T1190, which covers exploiting vulnerabilities in software applications, and T1071.004, which addresses application layer protocol manipulation.
Mitigation strategies for CVE-2008-6033 require immediate implementation of proper input validation and parameterized queries. The most effective approach involves replacing the vulnerable direct SQL query construction with prepared statements that separate SQL commands from user data. Organizations should also implement proper input sanitization routines that validate and filter all user-supplied data before processing. Additionally, the application should be updated to a patched version of WSN Links that addresses this vulnerability. Network-level protections such as web application firewalls can provide additional defense-in-depth measures, though they should not replace proper code-level fixes. Regular security auditing and penetration testing should be conducted to identify similar vulnerabilities in other application components, as SQL injection remains one of the most prevalent and dangerous web application security flaws according to OWASP Top Ten Project standards.