CVE-2017-17624
📋 TL;DR
CVE-2017-17624 is a critical SQL injection vulnerability in PHP Multivendor Ecommerce 1.0 that allows attackers to execute arbitrary SQL commands through multiple parameters. This affects all installations of PHP Multivendor Ecommerce 1.0, potentially compromising the entire database and application.
💻 Affected Systems
- PHP Multivendor Ecommerce
📦 What is this software?
Php Multivendor Ecommerce by Php Multivendor Ecommerce Project
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data manipulation, authentication bypass, and potential remote code execution via database functions.
Likely Case
Database information disclosure, including user credentials, payment information, and sensitive business data.
If Mitigated
Limited impact with proper input validation and parameterized queries in place.
🎯 Exploit Status
Multiple public exploit scripts are available. Attack requires no authentication and can be automated.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown - No official patch released
Vendor Advisory: No official vendor advisory found
Restart Required: No
Instructions:
1. Upgrade to a newer version if available. 2. Manually patch vulnerable files by implementing parameterized queries. 3. Replace single_detail.php and category.php with secure versions.
🔧 Temporary Workarounds
Input Validation and Sanitization
allAdd input validation and sanitization for sid, searchcat, and chid1 parameters
# Example PHP code to sanitize input:
$sid = mysqli_real_escape_string($connection, $_GET['sid']);
# Or use prepared statements:
$stmt = $connection->prepare('SELECT * FROM products WHERE id = ?');
$stmt->bind_param('i', $_GET['sid']);
Web Application Firewall (WAF)
linuxDeploy WAF rules to block SQL injection patterns
# Example ModSecurity rule:
SecRule ARGS "(?i:(union\s+.*select|select.*from|insert\s+into|update\s+.*set|delete\s+from))" \
"phase:2,deny,status:403,id:1001,msg:'SQL Injection Attempt'"
# Example naxsi rule:
MainRule "str:union" "msg:sql union" "mz:ARGS|BODY|URL|$HEADERS_VAR:Cookie" "s:$SQL:4" id:1001;
🧯 If You Can't Patch
- Implement network segmentation to isolate the vulnerable application
- Deploy a reverse proxy with strict input filtering and rate limiting
🔍 How to Verify
Check if Vulnerable:
Test the vulnerable endpoints with SQL injection payloads: /single_detail.php?sid=1' OR '1'='1 or /category.php?searchcat=1' OR '1'='1Check Version:
# Check PHP Multivendor Ecommerce version in configuration files or admin panel
# Common location: /includes/config.php or /admin/config.phpVerify Fix Applied:
Test with the same payloads and verify they are rejected or sanitized. Check that prepared statements are implemented in the code.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in application logs
- Multiple failed login attempts from single IP
- Requests with SQL keywords in parameters (UNION, SELECT, INSERT, etc.)
Network Indicators:
- Unusual database connection patterns
- Large volume of requests to vulnerable endpoints
- SQL syntax in HTTP GET parameters
SIEM Query:
source="web_logs" AND (uri="*single_detail.php*" OR uri="*category.php*") AND (query="*UNION*" OR query="*SELECT*" OR query="*INSERT*" OR query="*' OR '*" OR query="*'--*" OR query="*'/*")