CVE-2024-9818
📋 TL;DR
This critical SQL injection vulnerability in SourceCodester Online Veterinary Appointment System 1.0 allows remote attackers to execute arbitrary SQL commands via the 'id' parameter in /admin/categories/manage_category.php. This can lead to unauthorized data access, modification, or deletion. Organizations using this veterinary appointment system are affected.
💻 Affected Systems
- SourceCodester Online Veterinary Appointment System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including theft of sensitive client/patient data, administrative credential theft, and potential system takeover via SQL injection leading to remote code execution.
Likely Case
Unauthorized access to appointment data, client information, and potential modification/deletion of veterinary records.
If Mitigated
Limited impact if proper input validation and parameterized queries are implemented, with database permissions restricted to minimum necessary privileges.
🎯 Exploit Status
Exploit requires access to the admin interface. The vulnerability is in an admin function, so attacker needs admin credentials or another path to reach the vulnerable endpoint.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.sourcecodester.com/
Restart Required: No
Instructions:
1. Check vendor website for updates
2. If patch available, download and apply
3. Replace vulnerable manage_category.php file
4. Test functionality after patching
🔧 Temporary Workarounds
Input Validation and Sanitization
allAdd server-side validation to sanitize the 'id' parameter before processing
Modify /admin/categories/manage_category.php to validate 'id' parameter as integer
Web Application Firewall (WAF)
allDeploy WAF rules to block SQL injection patterns
🧯 If You Can't Patch
- Restrict access to /admin/ directory to trusted IP addresses only
- Implement database user with minimal privileges (read-only if possible) for the application
🔍 How to Verify
Check if Vulnerable:
Test the /admin/categories/manage_category.php endpoint with SQL injection payloads in the 'id' parameterCheck Version:
Check system version in admin panel or readme filesVerify Fix Applied:
Attempt SQL injection after applying fixes and verify no database errors or unexpected behavior occurs📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts to admin panel
- Requests to manage_category.php with suspicious 'id' parameters
Network Indicators:
- HTTP requests containing SQL keywords (UNION, SELECT, etc.) in URL parameters
- Unusual traffic patterns to admin endpoints
SIEM Query:
source="web_logs" AND (url="*manage_category.php*" AND (param="*id=*UNION*" OR param="*id=*SELECT*" OR param="*id=*' OR '*"))