CVE-2022-28512

9.8 CRITICAL

📋 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

Products:
  • Fantastic Blog CMS
Versions: 1.0
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: All default installations are vulnerable. The vulnerability exists in the core single.php file.

📦 What is this software?

⚠️ 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.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

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

all

Add 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

all

Deploy 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|--|#|;)")

🔗 References

📤 Share & Export