CVE-2024-26517
📋 TL;DR
This SQL injection vulnerability in School Task Manager v1.0 allows remote attackers to execute arbitrary SQL commands via the delete-task.php component. Attackers can potentially access, modify, or delete sensitive database information. All users running the vulnerable version are affected.
💻 Affected Systems
- School Task Manager
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data theft, data destruction, and potential remote code execution if database permissions allow.
Likely Case
Unauthorized access to sensitive student/teacher data, grade manipulation, and potential privilege escalation.
If Mitigated
Limited impact with proper input validation and database permission restrictions.
🎯 Exploit Status
Simple SQL injection with publicly available proof-of-concept.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available. Apply manual fixes or replace with secure alternative.
🔧 Temporary Workarounds
Input Validation and Parameterized Queries
allModify delete-task.php to use prepared statements and validate all user inputs.
Replace vulnerable SQL queries with parameterized queries using PDO or mysqli prepared statements.
WAF Rule Implementation
allDeploy web application firewall rules to block SQL injection patterns.
Add WAF rules to detect and block SQL injection attempts targeting delete-task.php.
🧯 If You Can't Patch
- Disable or remove delete-task.php component if not essential
- Implement strict network segmentation and limit database access permissions
🔍 How to Verify
Check if Vulnerable:
Test delete-task.php endpoint with SQL injection payloads like ' OR '1'='1
Check Version:
Check PHP files for version information or review installation documentation.
Verify Fix Applied:
Verify parameterized queries are implemented and test with SQL injection payloads that should be rejected.
📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed delete requests with SQL syntax
Network Indicators:
- HTTP POST requests to delete-task.php containing SQL keywords
SIEM Query:
source="web_logs" AND uri="/delete-task.php" AND (request_body CONTAINS "OR" OR request_body CONTAINS "UNION" OR request_body CONTAINS "SELECT")