CVE-2009-3148 in PortalXP
Summary
by MITRE
Multiple SQL injection vulnerabilities in PortalXP Teacher Edition 1.2 allow remote attackers to execute arbitrary SQL commands via the id parameter to (1) calendar.php, (2) news.php, and (3) links.php; and the (4) assignment_id parameter to assignments.php.
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Analysis
by VulDB Data Team • 12/07/2024
The vulnerability identified as CVE-2009-3148 represents a critical SQL injection flaw affecting PortalXP Teacher Edition version 1.2, a web-based educational portal system designed for academic institutions. This vulnerability exposes the application to remote code execution attacks through improper input validation mechanisms that fail to sanitize user-supplied data before incorporating it into database queries. The flaw specifically targets four distinct script endpoints including calendar.php, news.php, links.php, and assignments.php, each of which processes user input through the id parameter and assignment_id parameter respectively. The vulnerability classification aligns with CWE-89 which defines SQL injection as the insertion of malicious SQL code into input fields for execution by the database engine, making it a fundamental weakness in application security architecture.
The technical exploitation of this vulnerability occurs when remote attackers submit malicious input through the affected parameters, allowing them to manipulate the underlying database queries and execute arbitrary SQL commands. When the application processes the id parameter in calendar.php, news.php, and links.php, it directly incorporates user-supplied values into SQL statements without proper sanitization or parameterization. Similarly, the assignment_id parameter in assignments.php presents the same risk, enabling attackers to inject malicious SQL payloads that can bypass authentication mechanisms, extract sensitive data, or even modify database contents. This type of vulnerability falls under the ATT&CK technique T1071.004 which describes application layer protocol manipulation, specifically targeting database communication protocols. The vulnerability demonstrates poor input validation practices and lacks proper database query parameterization, creating a direct pathway for attackers to compromise the database backend.
The operational impact of this vulnerability extends beyond simple data theft, as successful exploitation can lead to complete system compromise and unauthorized access to sensitive educational information. Attackers can leverage these vulnerabilities to gain unauthorized access to student records, teacher information, academic schedules, and other confidential data stored within the PortalXP system. The remote nature of the attack means that threat actors do not require physical access to the network or system to exploit the vulnerability, making it particularly dangerous for educational institutions that may have limited security monitoring capabilities. Database administrators and system operators face significant risks including potential data breaches, compliance violations under educational privacy regulations, and reputational damage to their institutions. The vulnerability also creates opportunities for attackers to establish persistent access through database manipulation or to use the compromised system as a launch point for further attacks within the network infrastructure.
Mitigation strategies for CVE-2009-3148 must address the fundamental input validation issues that enable the SQL injection attacks. The primary remediation approach involves implementing proper parameterized queries or prepared statements throughout all affected script endpoints to ensure that user input cannot be interpreted as SQL commands. Input validation should be strengthened through the implementation of strict data type checking, length restrictions, and character set validation for all parameters. The system should also implement proper output encoding when displaying data retrieved from database queries to prevent potential cross-site scripting vulnerabilities that could compound the attack surface. Network-level protections such as web application firewalls and intrusion detection systems can provide additional layers of defense by monitoring for suspicious SQL injection patterns. Security patches and updates should be applied immediately to address the vulnerability, while access controls should be reviewed to ensure that only authorized users can access the affected components. The implementation of database activity monitoring and audit logging can help detect and respond to exploitation attempts, while regular security assessments should be conducted to identify similar vulnerabilities in other application components. Organizations should also consider implementing the principle of least privilege for database accounts used by the PortalXP application, limiting the potential damage from successful exploitation attempts.