CVE-2024-6277: School Management System SQLi Vulnerability

CVE-2024-6277 Overview

CVE-2024-6277 is a SQL injection vulnerability in Lahirudanushka School Management System versions 1.0.0 and 1.0.1. The flaw resides in the student.php file within the Student Page component. Attackers can manipulate the update argument to inject arbitrary SQL statements against the backend database. The vulnerability is exploitable remotely and requires high privileges on the target application. Public disclosure of the exploit has occurred, increasing the risk of opportunistic attacks against exposed instances. The issue is tracked as VulDB identifier VDB-269490 and is classified under CWE-89.

Critical Impact
Authenticated remote attackers can inject SQL statements through the update parameter in student.php, exposing student records and enabling unauthorized data modification.

Affected Products

Lahirudanushka School Management System 1.0.0
Lahirudanushka School Management System 1.0.1
Component: Student Page (student.php)

Discovery Timeline

2024-06-24 - CVE-2024-6277 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2024-6277

Vulnerability Analysis

The vulnerability is a classic SQL injection flaw affecting the student.php script in the Student Page component of the Lahirudanushka School Management System. The application accepts an update argument from the client and incorporates its value into a SQL query without proper sanitization or parameterization. Attackers with authenticated access can supply crafted input to alter query logic, extract data, or modify records in the underlying database. The publicly disclosed exploit lowers the barrier to attack against internet-facing deployments. The current EPSS probability is 0.573%, placing the CVE in the 44.64 percentile of exploited vulnerabilities tracked.

Root Cause

The root cause is improper neutralization of special elements used in a SQL command, tracked as CWE-89. The application concatenates untrusted user input from the update parameter directly into database queries. No prepared statements or input validation routines gate the parameter before it reaches the query builder. This design allows attackers to break out of the intended query context and execute additional SQL syntax.

Attack Vector

Exploitation occurs over the network against the web-facing student management interface. An authenticated user with sufficient application privileges submits a crafted HTTP request containing malicious SQL payloads in the update parameter. Because the exploit code has been publicly disclosed, defenders should assume adversaries can weaponize the flaw with minimal effort. Refer to the Notion SQL Injection Case Study and the VulDB entry #269490 for additional technical context.

Detection Methods for CVE-2024-6277

Indicators of Compromise

HTTP requests to student.php containing SQL metacharacters such as single quotes, UNION, SELECT, or comment sequences (--, #, /*) in the update parameter.
Unexpected database error responses returned to clients following requests to the Student Page component.
Anomalous outbound queries or bulk record reads from the school management database service.

Detection Strategies

Deploy web application firewall rules that inspect the update query parameter for SQL injection patterns.
Enable verbose query logging on the backend database and alert on syntactically anomalous queries originating from the application service account.
Correlate authentication logs with access patterns to student.php to identify credential misuse preceding injection attempts.

Monitoring Recommendations

Monitor authenticated user sessions for repeated failed queries or SQL syntax errors that may indicate injection probing.
Track access to student.php endpoints and baseline normal parameter values to flag deviations.
Alert on unauthorized changes to student records or unusual bulk export activity from the database.

How to Mitigate CVE-2024-6277

Immediate Actions Required

Restrict network access to the School Management System to trusted internal networks or VPN users until a fix is applied.
Rotate application and database credentials if exposure is suspected, especially for accounts with write access to the student database.
Audit application user accounts and disable any inactive or unnecessary privileged accounts.

Patch Information

No vendor patch has been published in the referenced advisories. Users of Lahirudanushka School Management System 1.0.0 and 1.0.1 should monitor the VulDB entry and the project repository for remediation updates. In the interim, apply source-level fixes by replacing dynamic SQL concatenation in student.php with parameterized queries using PDO or MySQLi prepared statements.

Workarounds

Place the application behind a web application firewall configured to block SQL injection payloads targeting the update parameter.
Implement server-side input validation for the update parameter, allowing only expected data types and lengths.
Enforce least-privilege database roles so the application account cannot perform destructive operations such as DROP or cross-table reads.

bash

# Example ModSecurity rule to block SQL metacharacters in the update parameter
SecRule ARGS:update "@rx (?i)(union(\s|\/\*.*\*\/)+select|--|;|\bor\b\s+1=1)" \
    "id:1002774,phase:2,deny,status:403,log,msg:'Potential SQLi against student.php (CVE-2024-6277)'"