CVE-2018-5977
📋 TL;DR
CVE-2018-5977 is a critical SQL injection vulnerability in Affiligator Affiliate Webshop Management System 2.1.0 that allows attackers to execute arbitrary SQL commands via the search functionality. This affects all organizations using the vulnerable version of this e-commerce platform. Successful exploitation could lead to complete database compromise.
💻 Affected Systems
- Affiligator Affiliate Webshop Management System
📦 What is this software?
Affiligator by Getaffiligator
⚠️ Risk & Real-World Impact
Worst Case
Complete database takeover allowing data theft, modification, or deletion; potential remote code execution if database configuration permits; full system compromise.
Likely Case
Database information disclosure including customer data, financial records, and administrative credentials; potential privilege escalation.
If Mitigated
Limited impact with proper input validation and parameterized queries; database access restricted to read-only operations.
🎯 Exploit Status
Public exploit code is available; exploitation requires no authentication and uses simple SQL injection techniques.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: No official vendor advisory found
Restart Required: No
Instructions:
1. Check for updated versions from the vendor
2. If no patch available, implement workarounds
3. Consider migrating to alternative software
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement strict input validation and parameterized queries for all search parameters
Modify search.php to use prepared statements:
$stmt = $conn->prepare('SELECT * FROM products WHERE name LIKE ? AND price BETWEEN ? AND ?');
$stmt->bind_param('sdd', $q, $min_price, $max_price);
Web Application Firewall (WAF)
allDeploy WAF rules to block SQL injection patterns in search parameters
Add WAF rule: Block requests containing SQL keywords in q, price_type, or price parameters
🧯 If You Can't Patch
- Disable the vulnerable search functionality entirely
- Implement network segmentation to restrict access to the affected system
🔍 How to Verify
Check if Vulnerable:
Test the search endpoint with SQL injection payloads: /search/?q=test' OR '1'='1&price_type=range&price=1-100
Check Version:
Check software version in admin panel or configuration files
Verify Fix Applied:
Test with the same payloads and verify they are rejected or sanitized; check that prepared statements are implemented
📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in application logs
- Multiple failed login attempts following search requests
- Long or malformed search parameters
Network Indicators:
- HTTP requests with SQL keywords in search parameters
- Unusual database connection patterns from web server
SIEM Query:
source="web_logs" AND (uri="/search/" AND (param="q" CONTAINS "' OR" OR param="q" CONTAINS "UNION" OR param="q" CONTAINS "SELECT"))