CVE-2017-17591
📋 TL;DR
CVE-2017-17591 is a critical SQL injection vulnerability in Realestate Crowdfunding Script version 2.7.2 that allows attackers to execute arbitrary SQL commands via the 'pid' parameter in single-cause.php. This affects all deployments of this specific version of the crowdfunding software. Attackers can potentially access, modify, or delete database content.
💻 Affected Systems
- Realestate Crowdfunding Script
📦 What is this software?
Realestate Crowdfunding Script by Realestate Crowdfunding Script Project
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data theft, data destruction, authentication bypass, and potential remote code execution if database functions allow it.
Likely Case
Database information disclosure, data manipulation, and potential privilege escalation within the application.
If Mitigated
Limited impact with proper input validation and parameterized queries preventing SQL injection.
🎯 Exploit Status
Multiple public exploit scripts available. Exploitation requires no authentication and is straightforward.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None known
Restart Required: No
Instructions:
1. Upgrade to a newer version if available
2. If no newer version exists, manually patch the single-cause.php file to implement parameterized queries or proper input validation
3. Replace raw SQL queries with prepared statements
🔧 Temporary Workarounds
Input Validation Filter
allAdd input validation to sanitize the pid parameter before processing
Edit single-cause.php and add: if(!is_numeric($_GET['pid'])) { die('Invalid parameter'); }
WAF Rule
allImplement web application firewall rules to block SQL injection patterns
🧯 If You Can't Patch
- Implement network segmentation to isolate the vulnerable system
- Deploy a web application firewall with SQL injection detection rules
🔍 How to Verify
Check if Vulnerable:
Check if single-cause.php exists and contains unsanitized $_GET['pid'] parameter usage in SQL queriesCheck Version:
Check script version in admin panel or configuration filesVerify Fix Applied:
Test the single-cause.php endpoint with SQL injection payloads to confirm they're blocked📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in logs
- Multiple requests with SQL syntax in pid parameter
- Database error logs showing injection attempts
Network Indicators:
- HTTP requests containing SQL keywords in GET parameters
- Unusual database connection patterns from web server
SIEM Query:
source="web_logs" AND (uri="*single-cause.php*" AND query="*pid=*SELECT*" OR query="*pid=*UNION*")