CVE-2023-34751
📋 TL;DR
This SQL injection vulnerability in bloofox v0.5.2.1 allows attackers to execute arbitrary SQL commands via the gid parameter in the admin interface. This affects all systems running the vulnerable version of bloofox, potentially enabling unauthorized data access, modification, or deletion.
💻 Affected Systems
- bloofox
📦 What is this software?
Bloofoxcms by Bloofox
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data exfiltration, privilege escalation to admin, and potential remote code execution if database functions allow it.
Likely Case
Unauthorized access to user data, modification of user permissions, and potential administrative control of the bloofox application.
If Mitigated
Limited impact with proper input validation and database permissions, potentially only allowing data viewing without modification.
🎯 Exploit Status
SQL injection via gid parameter is well-documented and easy to exploit with standard SQLi techniques.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a newer version if available, or implement workarounds.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement proper input validation and parameterized queries for the gid parameter
Modify admin/index.php to use prepared statements for SQL queries involving gid parameter
Web Application Firewall Rules
allBlock SQL injection patterns in the gid parameter
Add WAF rule: deny requests containing SQL keywords in gid parameter
🧯 If You Can't Patch
- Restrict access to admin interface using IP whitelisting or VPN
- Implement database user with minimal necessary permissions (read-only where possible)
🔍 How to Verify
Check if Vulnerable:
Test the gid parameter with SQL injection payloads like ' OR '1'='1 at admin/index.php?mode=user&page=groups&action=edit
Check Version:
Check bloofox version in configuration files or admin interface
Verify Fix Applied:
Test with same SQL injection payloads and verify they no longer execute
📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts followed by admin access
- Requests with SQL keywords in gid parameter
Network Indicators:
- Unusual database connections from web server
- Large data transfers from database
SIEM Query:
source=web_logs AND (gid CONTAINS "UNION" OR gid CONTAINS "SELECT" OR gid CONTAINS "OR '1'='1")