CVE-2023-24204
📋 TL;DR
This SQL injection vulnerability in Simple Customer Relationship Management System v1.0 allows attackers to execute arbitrary SQL commands via the name parameter in get-quote.php. This can lead to unauthorized data access, modification, or deletion. Organizations using this specific version of the software are affected.
💻 Affected Systems
- SourceCodester Simple Customer Relationship Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data destruction, or remote code execution if database functions allow it
Likely Case
Unauthorized access to customer data, potential privilege escalation, and data manipulation
If Mitigated
Limited impact with proper input validation and database permissions in place
🎯 Exploit Status
Simple SQL injection via GET parameter; public exploit code available
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch available. Consider upgrading to newer version if available or implementing workarounds.
🔧 Temporary Workarounds
Input Validation and Sanitization
allAdd parameterized queries or proper input validation to get-quote.php
Modify get-quote.php to use prepared statements: $stmt = $conn->prepare('SELECT * FROM quotes WHERE name = ?'); $stmt->bind_param('s', $name);
Web Application Firewall (WAF)
allDeploy WAF rules to block SQL injection patterns
Add WAF rule: SecRule ARGS:name "@detectSQLi" "id:1001,phase:2,deny,status:403"
🧯 If You Can't Patch
- Disable or remove get-quote.php if not required
- Implement network segmentation to restrict database access
🔍 How to Verify
Check if Vulnerable:
Test get-quote.php with SQL injection payloads: get-quote.php?name=' OR '1'='1Check Version:
Check software version in admin panel or readme filesVerify Fix Applied:
Test with same payloads; should return error or no data instead of executing SQL📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts from single IP
- GET requests to get-quote.php with SQL keywords
Network Indicators:
- Unusual database port traffic from web server
- SQL error messages in HTTP responses
SIEM Query:
source="web_logs" AND uri="/get-quote.php" AND (query="*OR*" OR query="*UNION*" OR query="*SELECT*" OR query="*--*" OR query="*;*")