CVE-2024-6951
📋 TL;DR
This critical SQL injection vulnerability in Simple Online Book Store System 1.0 allows remote attackers to execute arbitrary SQL commands via the 'bookisbn' parameter in admin_delete.php. Attackers can potentially read, modify, or delete database contents, including sensitive user data. All deployments of this specific software version are affected.
💻 Affected Systems
- SourceCodester Simple Online Book Store System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data destruction, authentication bypass, or remote code execution if database functions allow it.
Likely Case
Unauthorized data access and manipulation, potentially exposing customer information, order history, and administrative credentials.
If Mitigated
Limited impact with proper input validation and database permissions restricting damage to non-critical data.
🎯 Exploit Status
Exploit details are publicly available on GitHub. The vulnerability requires access to the admin interface, but authentication requirements are unclear from available information.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None known
Restart Required: No
Instructions:
No official patch available. Consider implementing input validation and parameterized queries as described in workarounds, or replace the software entirely.
🔧 Temporary Workarounds
Implement Input Validation
allAdd server-side validation to ensure the bookisbn parameter contains only expected characters (numbers, dashes).
Use Parameterized Queries
allRewrite the SQL query in admin_delete.php to use prepared statements with bound parameters instead of string concatenation.
🧯 If You Can't Patch
- Restrict access to admin_delete.php using web server rules (e.g., .htaccess for Apache) or network firewalls.
- Implement a Web Application Firewall (WAF) with SQL injection protection rules enabled.
🔍 How to Verify
Check if Vulnerable:
Test the admin_delete.php endpoint with SQL injection payloads in the bookisbn parameter (e.g., ' OR '1'='1). Monitor for unexpected database responses or errors.
Check Version:
Check the software version in the application's configuration files or admin panel. Look for version 1.0 indicators.
Verify Fix Applied:
After implementing fixes, retest with the same payloads to ensure they are properly rejected or sanitized without executing SQL commands.
📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in web server logs
- Multiple failed or suspicious requests to admin_delete.php with SQL-like parameters
Network Indicators:
- HTTP requests to admin_delete.php containing SQL keywords (UNION, SELECT, etc.) in parameters
SIEM Query:
source="web_server_logs" AND uri="*admin_delete.php*" AND (param="*bookisbn*" AND value="*OR*" OR value="*UNION*" OR value="*SELECT*")