CVE-2012-2923 in eLearning Server
Summary
by MITRE
SQL injection vulnerability in news.php4 in Hypermethod eLearning Server 4G allows remote attackers to execute arbitrary SQL commands via the nid parameter.
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Analysis
by VulDB Data Team • 01/05/2025
The CVE-2012-2923 vulnerability represents a critical sql injection flaw in the Hypermethod eLearning Server 4G platform, specifically within the news.php4 script. This vulnerability resides in the handling of the nid parameter, which serves as an identifier for news items within the learning management system. The flaw enables remote attackers to manipulate database queries by injecting malicious sql code through this parameter, potentially compromising the entire underlying database infrastructure. The vulnerability stems from inadequate input validation and sanitization mechanisms that fail to properly escape or filter user-supplied data before incorporating it into sql statements.
This vulnerability directly maps to CWE-89 which defines sql injection as the insertion of malicious sql code into input fields for execution by the database engine. The attack vector leverages the fact that the news.php4 script constructs sql queries dynamically using user-provided nid values without proper parameterization or input sanitization. Attackers can exploit this by crafting malicious input that alters the intended sql query structure, potentially allowing them to extract sensitive data, modify database records, or even execute administrative commands on the database server. The remote nature of this vulnerability means that attackers do not require physical access to the system, making it particularly dangerous for online learning platforms that handle sensitive educational and personal data.
The operational impact of this vulnerability extends beyond simple data theft, as it can lead to complete system compromise and unauthorized access to educational content, user credentials, and institutional data. In the context of eLearning platforms, this vulnerability poses significant risks to student privacy, academic integrity, and institutional security. The exploitation could result in unauthorized modification of course content, deletion of important educational materials, or even complete database takeover. Organizations using Hypermethod eLearning Server 4G would face potential regulatory compliance violations, reputational damage, and legal consequences if such an attack were to occur. The vulnerability also creates opportunities for attackers to establish persistent access points within the network infrastructure, potentially enabling further lateral movement and escalation of privileges.
Mitigation strategies for CVE-2012-2923 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 stored procedures that separate sql code from data. The ATT&CK framework categorizes this type of vulnerability under T1190 - Exploit Public-Facing Application, highlighting the importance of regular security assessments and vulnerability scanning of public-facing systems. Additionally, implementing web application firewalls, database activity monitoring, and regular security patching protocols can significantly reduce the attack surface. Organizations should also consider network segmentation, access control measures, and comprehensive security monitoring to detect and respond to potential exploitation attempts. The remediation process must include thorough code review, input validation implementation, and regular security testing to ensure that similar vulnerabilities do not exist in other components of the eLearning platform infrastructure.