CVE-2008-2301 in Kostenloses Linkmanagementscript
Summary
by MITRE
SQL injection vulnerability in Kostenloses Linkmanagementscript allows remote attackers to execute arbitrary SQL commands via the id parameter to (1) view.php and (2) top_view.php.
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Analysis
by VulDB Data Team • 10/23/2024
The vulnerability described in CVE-2008-2301 represents a critical sql injection flaw within a free link management script that enables remote attackers to execute arbitrary sql commands through manipulated input parameters. This particular weakness resides in the id parameter handling within two specific script files: view.php and top_view.php, making the affected system susceptible to unauthorized database access and potential data compromise. The vulnerability falls under the category of insecure input handling and demonstrates a classic sql injection attack vector where user-supplied data is directly incorporated into sql queries without proper sanitization or parameterization.
The technical implementation of this vulnerability stems from the script's failure to properly validate or escape user input before incorporating it into database queries. When an attacker submits a malicious id parameter to either view.php or top_view.php, the application processes this input directly within sql command construction without appropriate input filtering mechanisms. This allows attackers to inject malicious sql code that gets executed by the database server, potentially enabling them to extract sensitive information, modify database contents, or even gain elevated privileges within the database environment. The vulnerability specifically affects the sql injection attack pattern where the attacker manipulates the id parameter to alter the intended sql query structure, leading to unauthorized access to backend database resources.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with substantial control over the affected system's database operations. Successful exploitation could result in complete database compromise including unauthorized access to user credentials, personal information, or business-critical data stored within the link management system. The vulnerability's remote nature means that attackers can exploit it from anywhere on the internet without requiring local system access, significantly increasing the attack surface and potential impact. Organizations using this link management script face risks of data breaches, regulatory compliance violations, and potential system compromise that could affect their entire infrastructure.
Mitigation strategies for this vulnerability should focus on implementing proper input validation and parameterized queries to prevent sql injection attacks. The recommended approach involves using prepared statements with parameterized queries to ensure that user input is never directly incorporated into sql command strings. Additionally, input sanitization measures including input length validation, character set filtering, and proper escaping of special sql characters should be implemented. Organizations should also consider implementing web application firewalls to detect and block malicious sql injection attempts, along with regular security audits and code reviews to identify similar vulnerabilities. This vulnerability aligns with common weakness enumeration cwes 89 and 77, and represents a typical attack pattern documented in the attack technique matrix under the sql injection category. System administrators should immediately patch the affected application or implement input validation controls to prevent exploitation of this vulnerability that could lead to complete system compromise and unauthorized data access.