CVE-2024-33799 in Complete Web-Based School Management System
Summary
by MITRE • 05/28/2024
A SQL injection vulnerability in /model/get_teacher.php in campcodes Complete Web-Based School Management System 1.0 allows an attacker to execute arbitrary SQL commands via the id parameter.
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Analysis
by VulDB Data Team • 08/23/2024
The vulnerability identified as CVE-2024-33799 represents a critical SQL injection flaw within the campcodes Complete Web-Based School Management System version 1.0. This vulnerability specifically affects the /model/get_teacher.php endpoint which processes user input through the id parameter. The flaw arises from inadequate input validation and sanitization mechanisms that fail to properly escape or filter user-supplied data before incorporating it into SQL query constructions. The system's failure to implement proper parameterized queries or input sanitization techniques creates an exploitable pathway for malicious actors to manipulate the underlying database operations.
The technical implementation of this vulnerability stems from the application's direct concatenation of user-provided id parameter values into SQL statements without appropriate security measures. When an attacker submits a malicious value through the id parameter, the application processes this input directly within the SQL query structure, allowing for arbitrary SQL command execution. This type of vulnerability falls under CWE-89 which specifically addresses SQL injection flaws where untrusted data is incorporated into SQL queries without proper escaping or parameterization. The attack vector is particularly concerning as it requires no authentication or privileged access, making it accessible to any potential attacker who can reach the vulnerable endpoint.
The operational impact of this vulnerability extends far beyond simple data retrieval manipulation. An attacker could potentially extract sensitive information from the database including student records, teacher information, administrative credentials, and other confidential educational data. The vulnerability also enables data modification or deletion operations, potentially compromising the integrity of the entire school management system. Given that this is a web-based school management system, the exposure could affect thousands of students and staff members, creating significant privacy and security concerns. The attack could result in complete database compromise, data exfiltration, and potential system availability disruption.
Mitigation strategies for CVE-2024-33799 must focus on implementing robust input validation and parameterized query execution throughout the application. The primary defense mechanism involves replacing direct string concatenation with proper parameterized queries or prepared statements that separate SQL code from data. Input validation should be implemented at multiple levels including client-side and server-side filtering to prevent malicious payloads from reaching the database layer. Additionally, the application should implement proper error handling that does not reveal database structure information to users. Network-level protections such as web application firewalls and intrusion detection systems can provide additional monitoring and blocking capabilities. The remediation process should also include comprehensive code review to identify and fix similar patterns throughout the codebase, as this vulnerability likely represents a broader architectural issue. Organizations should also implement proper access controls and regularly monitor database activities for suspicious patterns that may indicate exploitation attempts. This vulnerability aligns with several ATT&CK tactics including TA0001 Initial Access through web application exploitation and TA0002 Execution through SQL command injection, making it a significant threat that requires immediate attention and remediation.