CVE-2022-28421
📋 TL;DR
Baby Care System v1.0 contains a SQL injection vulnerability in the admin.php endpoint that allows attackers to execute arbitrary SQL commands. This affects all installations of Baby Care System v1.0, particularly those with internet-facing admin interfaces. Attackers can potentially access, modify, or delete database content.
💻 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 data manipulation affecting user information and system configuration.
If Mitigated
Limited impact with proper input validation, parameterized queries, and network segmentation preventing database access.
🎯 Exploit Status
Exploit requires access to admin interface. Public proof-of-concept demonstrates SQL injection via postid parameter.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None known
Restart Required: No
Instructions:
No official patch available. Consider upgrading to newer version if available or implementing workarounds.
🔧 Temporary Workarounds
Input Validation Filter
allAdd input validation to sanitize postid parameter to accept only numeric values
Modify admin.php to validate $_GET['postid'] with is_numeric() or filter_var()
Web Application Firewall Rule
allBlock SQL injection patterns in admin.php requests
Add WAF rule: deny requests to /admin.php with SQL keywords in parameters
🧯 If You Can't Patch
- Restrict access to admin.php endpoint using IP whitelisting or authentication
- Implement network segmentation to isolate database server from web server
🔍 How to Verify
Check if Vulnerable:
Test /admin.php?id=posts&action=display&value=1&postid=1' OR '1'='1 for SQL error response
Check Version:
Check system documentation or configuration files for version information
Verify Fix Applied:
Test same payload and verify no SQL errors or unexpected behavior occurs
📡 Detection & Monitoring
Log Indicators:
- SQL syntax errors in web server logs
- Unusual database queries from web application user
Network Indicators:
- HTTP requests to admin.php with SQL keywords in parameters
- Unusual database port traffic from web server
SIEM Query:
web.url:*admin.php* AND (web.param:*OR* OR web.param:*UNION* OR web.param:*SELECT*)