CVE-2008-1913 in Lasernet CMS
Summary
by MITRE
SQL injection vulnerability in index.php in Lasernet CMS 1.5 and 1.11, when magic_quotes_gpc is disabled, allows remote attackers to execute arbitrary SQL commands via the new parameter in a new action.
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Analysis
by VulDB Data Team • 10/21/2024
The vulnerability identified as CVE-2008-1913 represents a critical SQL injection flaw within the Lasernet Content Management System version 1.5 and 1.11. This vulnerability specifically targets the index.php script and exploits a fundamental weakness in input validation mechanisms. The flaw occurs when the PHP configuration parameter magic_quotes_gpc is disabled, which removes the automatic escaping of special characters in GET, POST, and COOKIE data. This configuration setting serves as a basic protective measure against SQL injection attacks by automatically escaping certain characters in user input. Without this protection, malicious actors can craft specially designed payloads that bypass normal input sanitization routines.
The technical exploitation of this vulnerability occurs through the manipulation of the 'new' parameter within the 'new' action of the index.php script. When an attacker submits malicious input through this parameter, the application fails to properly sanitize or escape the data before incorporating it into SQL query constructions. This allows an attacker to inject arbitrary SQL commands that execute within the context of the database connection. The vulnerability is classified under CWE-89, which specifically addresses SQL injection flaws, and represents a direct violation of secure coding practices that mandate proper input validation and parameterized queries. The attack vector is particularly dangerous because it enables remote code execution capabilities, allowing attackers to potentially extract sensitive data, modify database contents, or even escalate privileges within the affected system.
The operational impact of this vulnerability extends beyond simple data theft, as it provides attackers with comprehensive database access capabilities that can compromise the entire CMS infrastructure. An attacker who successfully exploits this vulnerability can potentially gain access to user credentials, configuration files, and other sensitive information stored within the database. The vulnerability's remote nature means that attackers do not require physical access to the server or local network connectivity, making it particularly dangerous for publicly accessible web applications. From an adversarial perspective, this vulnerability aligns with ATT&CK technique T1071.004, which covers application layer protocol manipulation, and T1046, which involves network service scanning and exploitation. The flaw demonstrates a critical gap in the application's security architecture where input validation fails to account for the absence of automatic escaping mechanisms.
Mitigation strategies for CVE-2008-1913 require immediate implementation of multiple defensive measures to protect against exploitation attempts. The primary recommendation involves enabling proper input validation and parameterized queries throughout the application codebase, eliminating the reliance on magic_quotes_gpc as a security control. Organizations should implement strict input sanitization routines that validate and filter all user-supplied data before processing, particularly focusing on SQL reserved words and special characters. The system configuration should also enforce the use of prepared statements or parameterized queries when interacting with database systems, which prevents the direct concatenation of user input into SQL commands. Additionally, implementing web application firewalls and intrusion detection systems can provide additional layers of protection against known exploitation patterns. Security hardening measures should include regular code reviews focusing on database interaction patterns and ensuring that all database connections utilize least privilege principles. The vulnerability also highlights the importance of keeping CMS systems updated, as newer versions typically incorporate more robust security measures and proper input validation mechanisms that prevent such injection attacks.