CVE-2020-22205
📋 TL;DR
This vulnerability allows attackers to execute arbitrary SQL commands through the id parameter in ECShop 3.0's admin/shophelp.php file. This affects all ECShop 3.0 installations with the vulnerable admin interface accessible. Attackers can potentially read, modify, or delete database content.
💻 Affected Systems
- ECShop
📦 What is this software?
Ecshop by Shopex
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data destruction, or full system takeover via SQL injection to execute arbitrary commands.
Likely Case
Unauthorized data access, privilege escalation, or data manipulation in the ECShop database.
If Mitigated
Limited impact if proper input validation and parameterized queries are implemented.
🎯 Exploit Status
Exploitation requires access to admin interface; SQL injection via id parameter is straightforward.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.0 with security updates
Vendor Advisory: https://github.com/ECShop/ecshop
Restart Required: No
Instructions:
1. Update to latest ECShop 3.0 version. 2. Apply vendor security patches. 3. Validate all user inputs, especially id parameter.
🔧 Temporary Workarounds
Input Validation
allImplement strict input validation for id parameter to allow only numeric values.
Modify admin/shophelp.php to validate id parameter as integer
Access Restriction
linuxRestrict access to admin interface via firewall rules or authentication.
iptables -A INPUT -p tcp --dport 80 -s trusted_ip -j ACCEPT
iptables -A INPUT -p tcp --dport 80 -j DROP
🧯 If You Can't Patch
- Implement web application firewall (WAF) with SQL injection rules
- Disable or restrict admin interface access to trusted IPs only
🔍 How to Verify
Check if Vulnerable:
Test id parameter in admin/shophelp.php with SQL injection payloads like ' OR '1'='1Check Version:
Check ECShop version in admin panel or configuration files.Verify Fix Applied:
Verify input validation rejects non-numeric id values and parameterized queries are used.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts to admin interface
Network Indicators:
- SQL injection patterns in HTTP requests to admin/shophelp.php
SIEM Query:
source="web_logs" AND uri="/admin/shophelp.php" AND (id="*' OR*" OR id="*;--*" OR id="*UNION*" OR id="*SELECT*" OR id="*INSERT*" OR id="*UPDATE*" OR id="*DELETE*")