CVE-2025-14537

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CVE-2025-14537 vulnerability security high severity SQL injection Class and Exam Timetable Management CVE database

Summary

CVE-2025-14537 describes a critical SQL injection vulnerability found in Class and Exam Timetable Management 1.0. This vulnerability allows a remote attacker to execute arbitrary SQL commands by manipulating input to the /preview7.php file, potentially leading to unauthorized data access or modification.

Technical Details

CVE-2025-14537 is a SQL injection vulnerability present in the /preview7.php file of Class and Exam Timetable Management 1.0. The application fails to properly sanitize user-supplied input passed through the course_year_section and/or semester parameters. This lack of sanitization allows an attacker to inject malicious SQL code into the database query. By crafting a specific URL with a malicious payload, an attacker can bypass authentication and execute arbitrary SQL commands. This can lead to the disclosure of sensitive information, modification of data, or even complete compromise of the database server. The vulnerability is remotely exploitable, meaning an attacker does not need local access to the system to exploit it. The publicly available exploit code demonstrates the ease with which this vulnerability can be leveraged.

Affected Products and Versions

The following product and version are confirmed to be affected by CVE-2025-14537:

  • fabian Class and Exam Timetable Management System 1.0

Impact Assessment

Successful exploitation of CVE-2025-14537 can have severe consequences, including:

  • Data Breach: An attacker can extract sensitive information from the database, such as user credentials, student records, and timetable information.
  • System Compromise: In some cases, the attacker may be able to gain control of the underlying database server, leading to complete system compromise.
  • Data Modification: An attacker can modify or delete data within the database, potentially disrupting the application's functionality and causing data integrity issues.
  • Denial of Service: By injecting resource-intensive SQL queries, an attacker can potentially overload the database server and cause a denial of service.

Remediation

Addressing CVE-2025-14537 requires immediate action to mitigate the risk of exploitation.

Immediate Actions

  • Apply Input Validation: Implement robust input validation and sanitization on the course_year_section and semester parameters in the /preview7.php file. Ensure that all user-supplied input is properly escaped before being used in SQL queries.
  • Disable Remote Access (If Possible): If remote access to the database server is not required, consider disabling it to reduce the attack surface.
  • Monitor System Logs: Closely monitor system logs for any suspicious activity that may indicate an attempted exploitation of this vulnerability.

Long-term Solutions

  • Upgrade to a Secure Version: Check for any available updates or patches from the vendor (fabian). If a patched version is available, upgrade to it as soon as possible.
  • Implement Prepared Statements: Use parameterized queries or prepared statements to prevent SQL injection attacks. This technique separates the SQL code from the user-supplied data, making it impossible for an attacker to inject malicious code.
  • Least Privilege Principle: Ensure that the database user account used by the application has only the necessary privileges to perform its tasks. This can limit the damage that an attacker can cause if they gain access to the database.

References

Detection & Scanning

Detecting CVE-2025-14537 involves identifying potentially malicious SQL injection attempts targeting the /preview7.php endpoint. This can be achieved through:

  • Web Application Firewalls (WAFs): WAFs can be configured to detect and block SQL injection attacks by analyzing HTTP requests for suspicious patterns.
  • Intrusion Detection Systems (IDS): IDSs can monitor network traffic for malicious activity, including SQL injection attempts.
  • Vulnerability Scanners: Security scanners can automatically identify vulnerable software and configurations, including the presence of CVE-2025-14537.
  • Log Analysis: Analyzing web server logs for unusual or suspicious requests targeting the /preview7.php endpoint can help identify potential exploitation attempts.

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