CVE-2022-27104
📋 TL;DR
CVE-2022-27104 is an unauthenticated blind SQL injection vulnerability in Forma LMS that allows attackers to execute arbitrary SQL queries without authentication. This affects all Forma LMS installations prior to version 1.4.3, potentially exposing sensitive database information.
💻 Affected Systems
- Forma LMS
📦 What is this software?
Formalms by Formalms
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including user credentials, personal data, and administrative access leading to full system takeover.
Likely Case
Data exfiltration of sensitive information, user credential theft, and potential privilege escalation.
If Mitigated
Limited information disclosure if database permissions are properly restricted and input validation is enforced.
🎯 Exploit Status
Time-based blind SQL injection requires automated tools but is well-documented and easily weaponized.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.4.3 and later
Vendor Advisory: https://www.formalms.org/download.html
Restart Required: No
Instructions:
1. Backup your Forma LMS installation and database. 2. Download Forma LMS version 1.4.3 or later from the official website. 3. Replace all files with the new version. 4. Run any database update scripts if provided. 5. Verify the installation works correctly.
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allImplement WAF rules to block SQL injection patterns targeting Forma LMS endpoints.
Network Segmentation
allRestrict access to Forma LMS to trusted IP addresses only.
🧯 If You Can't Patch
- Implement strict input validation and parameterized queries in custom code
- Deploy a web application firewall with SQL injection protection rules
🔍 How to Verify
Check if Vulnerable:
Check Forma LMS version in admin panel or by examining the installation files. Versions below 1.4.3 are vulnerable.Check Version:
Check admin panel or examine forma_lms_version.txt in installation directoryVerify Fix Applied:
Confirm version is 1.4.3 or higher in admin panel and test SQL injection attempts return proper error handling.📡 Detection & Monitoring
Log Indicators:
- Unusual database query patterns
- Multiple failed login attempts with SQL-like payloads
- Long response times indicating time-based injection
Network Indicators:
- HTTP requests containing SQL keywords (SELECT, UNION, etc.) to Forma LMS endpoints
- Unusual traffic patterns to database ports from web server
SIEM Query:
source="web_logs" AND (url="*forma*" OR url="*lms*") AND (message="*SELECT*" OR message="*UNION*" OR message="*SLEEP*")