CVE-2022-28512
📋 TL;DR
This SQL injection vulnerability in Fantastic Blog CMS 1.0 allows attackers to execute arbitrary SQL commands through the 'id' parameter in single.php. Attackers can potentially access, modify, or delete database content. All installations of Fantastic Blog CMS 1.0 are affected.
💻 Affected Systems
- Fantastic Blog CMS
📦 What is this software?
Fantastic Blog by Fantastic Blog Project
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data destruction, authentication bypass, and potential remote code execution via database functions.
Likely Case
Unauthorized data access, privilege escalation, and potential website defacement through database manipulation.
If Mitigated
Limited impact with proper input validation and database permissions, potentially only allowing data viewing without modification.
🎯 Exploit Status
Simple SQL injection via GET parameter. Public proof-of-concept exists in GitHub repositories.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: N/A
Vendor Advisory: N/A
Restart Required: No
Instructions:
No official patch available. Consider migrating to alternative CMS solutions or implementing custom fixes.
🔧 Temporary Workarounds
Input Validation Filter
allAdd parameter validation to single.php to ensure 'id' parameter contains only numeric values
Modify fantasticblog/single.php to validate $_GET['id'] with is_numeric() or intval()
Web Application Firewall
allDeploy WAF with SQL injection rules to block malicious requests
🧯 If You Can't Patch
- Isolate the CMS instance behind a reverse proxy with strict input filtering
- Implement network segmentation and restrict database access to minimal required privileges
🔍 How to Verify
Check if Vulnerable:
Test single.php with SQL injection payloads like 'id=5' UNION SELECT 1,2,3--
Check Version:
Check CMS version in configuration files or admin panel
Verify Fix Applied:
Test with same payloads after implementing fixes - should return error or no data
📡 Detection & Monitoring
Log Indicators:
- Unusual SQL errors in web server logs
- Requests to single.php with SQL keywords in parameters
Network Indicators:
- HTTP requests containing SQL injection patterns to /fantasticblog/single.php
SIEM Query:
source="web_logs" AND uri="/fantasticblog/single.php" AND (param="id" AND value MATCH "(?i)(union|select|insert|update|delete|drop|--|#|;)")