CVE-2022-30393
📋 TL;DR
Merchandise Online Store v1.0 contains a SQL injection vulnerability in the product management admin interface. Attackers can inject malicious SQL queries through the 'id' parameter to manipulate database queries. This affects all deployments of this specific e-commerce software version.
💻 Affected Systems
- Merchandise Online Store
📦 What is this software?
Merchandise Online Store by Merchandise Online Store Project
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data theft, data manipulation, authentication bypass, and potential remote code execution if database functions allow it.
Likely Case
Unauthorized data access, extraction of sensitive information like customer data, passwords, and payment information.
If Mitigated
Limited impact with proper input validation and database permissions, potentially only error messages or partial data exposure.
🎯 Exploit Status
Exploit requires access to admin panel but SQL injection could bypass authentication. Public proof-of-concept available in GitHub repository.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None found
Restart Required: No
Instructions:
No official patch available. Consider migrating to alternative e-commerce platforms or implementing custom fixes with parameterized queries.
🔧 Temporary Workarounds
Input Validation Filter
allAdd server-side validation to sanitize the 'id' parameter to accept only numeric values
Modify /vloggers_merch/admin/?page=product/manage_product to validate id parameter as integer
WAF Rule
allImplement web application firewall rules to block SQL injection patterns
Add WAF rule: Detect and block SQL keywords in id parameter
🧯 If You Can't Patch
- Isolate the vulnerable system behind a reverse proxy with strict input validation
- Implement network segmentation and restrict access to admin interface to trusted IPs only
🔍 How to Verify
Check if Vulnerable:
Test the vulnerable endpoint with SQL injection payloads: /vloggers_merch/admin/?page=product/manage_product&id=1' OR '1'='1
Check Version:
Check software version in admin panel or configuration files
Verify Fix Applied:
Test with same payloads and verify no SQL errors or unexpected behavior occurs
📡 Detection & Monitoring
Log Indicators:
- SQL syntax errors in web server logs
- Unusual database query patterns from admin interface
- Multiple failed login attempts followed by SQL injection attempts
Network Indicators:
- HTTP requests containing SQL keywords to admin endpoint
- Unusual database connection patterns from web server
SIEM Query:
source="web_logs" AND (uri="/vloggers_merch/admin/" AND (query="*id=*'*" OR query="*id=*%27*" OR query="*id=*SELECT*" OR query="*id=*UNION*"))