CVE-2007-3981 in WSN Links
Summary
by MITRE
SQL injection vulnerability in index.php in WSN Links Basic Edition allows remote attackers to execute arbitrary SQL commands via the catid parameter in a displaycat action.
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Analysis
by VulDB Data Team • 09/27/2024
The vulnerability identified as CVE-2007-3981 represents a critical sql injection flaw in the WSN Links Basic Edition web application. This vulnerability specifically targets the index.php script and occurs when processing the catid parameter within a displaycat action. The flaw allows remote attackers to inject malicious sql commands directly into the application's database query execution flow, potentially compromising the entire database infrastructure. Such vulnerabilities fall under the category of CWE-89 sql injection as defined by the common weakness enumeration framework, which categorizes this as a serious security weakness that can lead to complete system compromise.
The technical implementation of this vulnerability exploits the lack of proper input validation and sanitization within the web application's parameter handling mechanism. When the catid parameter is passed through the displaycat action, the application fails to properly escape or validate user-supplied input before incorporating it into sql queries. This creates an environment where malicious actors can craft specific payloads that manipulate the intended sql query structure, effectively bypassing normal authentication and authorization mechanisms. The vulnerability operates at the application layer and requires no special privileges to exploit, making it particularly dangerous as it can be leveraged by anyone with access to the vulnerable web interface.
The operational impact of this vulnerability extends far beyond simple data theft, as successful exploitation can lead to complete database compromise, unauthorized data modification, and potential lateral movement within the affected network. Attackers can leverage this vulnerability to extract sensitive information including user credentials, personal data, and business-critical information stored in the database. Additionally, the attacker could modify or delete database records, potentially causing significant operational disruption and data integrity issues. According to the mitre att&ck framework, this vulnerability maps to the execution and credential access tactics, as it enables adversaries to execute arbitrary commands and potentially escalate privileges within the database environment.
Mitigation strategies for this vulnerability should focus on implementing proper input validation and parameterized queries throughout the application code. The most effective remediation involves sanitizing all user inputs and utilizing prepared statements or parameterized queries to separate sql logic from user data. Organizations should also implement web application firewalls and input filtering mechanisms to detect and prevent malicious sql injection attempts. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities within the application codebase. The vulnerability also highlights the importance of keeping web applications updated with the latest security patches and following secure coding practices as outlined in owasp top ten and other industry security standards.