CVE-2022-28439
📋 TL;DR
Baby Care System v1.0 contains a SQL injection vulnerability in the admin users deletion function that allows attackers to execute arbitrary SQL commands. This affects all deployments of this specific version of the software. Attackers can potentially gain unauthorized access to the database and system.
💻 Affected Systems
- Baby Care System
📦 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 administrative account takeover.
If Mitigated
Limited impact with proper input validation and database permissions restricting damage to non-critical data.
🎯 Exploit Status
Exploit requires access to admin panel but SQL injection could bypass authentication. Public proof-of-concept exists in GitHub repository.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None found
Restart Required: No
Instructions:
No official patch available. Implement parameterized queries and input validation in /admin/uesrs.php file.
🔧 Temporary Workarounds
Web Application Firewall
allDeploy WAF with SQL injection rules to block malicious requests
Input Validation
allAdd server-side validation for userid parameter to accept only numeric values
In /admin/uesrs.php, add: if(!is_numeric($_GET['userid'])) { die('Invalid input'); }
🧯 If You Can't Patch
- Restrict admin panel access to trusted IP addresses only
- Implement database user with minimal privileges (read-only where possible)
🔍 How to Verify
Check if Vulnerable:
Test /admin/uesrs.php?action=delete&userid=4' OR '1'='1 for SQL injection responseCheck Version:
Check software version in admin panel or configuration filesVerify Fix Applied:
Test same payload after fix - should return error or no database modification📡 Detection & Monitoring
Log Indicators:
- Unusual SQL errors in application logs
- Multiple failed login attempts followed by admin panel access
- Database queries with SQL injection patterns
Network Indicators:
- HTTP requests to /admin/uesrs.php with SQL payloads in parameters
- Unusual database connection patterns from web server
SIEM Query:
source="web_logs" AND uri="/admin/uesrs.php" AND (param="userid" AND value MATCHES "[';]|OR|UNION|SELECT")