CVE-2024-12943
📋 TL;DR
This critical SQL injection vulnerability in CodeAstro House Rental Management System 1.0 allows remote attackers to execute arbitrary SQL commands via the /ownersignup.php endpoint. Attackers can potentially access, modify, or delete database contents, including sensitive user and rental data. All users running version 1.0 of this software are affected.
💻 Affected Systems
- CodeAstro House Rental Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, system takeover, and potential lateral movement to other systems
Likely Case
Data exfiltration of sensitive information including user credentials, personal data, and financial records
If Mitigated
Limited impact with proper input validation and database permissions restricting damage to non-critical data
🎯 Exploit Status
Exploit details are publicly available on GitHub and vuldb.com, making this easily weaponizable by attackers with basic SQL injection knowledge
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://codeastro.com/
Restart Required: No
Instructions:
No official patch available. Check vendor website for updates. Consider implementing workarounds or migrating to alternative software.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement parameterized queries and input validation for all parameters in ownersignup.php
Modify PHP code to use prepared statements: $stmt = $conn->prepare('INSERT INTO owners (field1, field2) VALUES (?, ?)'); $stmt->bind_param('ss', $param1, $param2);
Web Application Firewall Rules
allDeploy WAF rules to block SQL injection patterns targeting /ownersignup.php
Example ModSecurity rule: SecRule ARGS "@detectSQLi" "id:1001,phase:2,deny,status:403,msg:'SQL Injection Attempt'"
🧯 If You Can't Patch
- Block external access to /ownersignup.php via firewall rules or web server configuration
- Implement network segmentation to isolate the vulnerable system from sensitive data and critical infrastructure
🔍 How to Verify
Check if Vulnerable:
Test for SQL injection by sending crafted payloads to /ownersignup.php parameters (e.g., m=1' OR '1'='1) and observing database errors or unexpected behaviorCheck Version:
Check PHP files for version information or consult system documentation. Default installation is version 1.0.Verify Fix Applied:
Verify that parameterized queries are implemented and test with SQL injection payloads that should be rejected or sanitized📡 Detection & Monitoring
Log Indicators:
- Unusual SQL errors in web server logs
- Multiple failed signup attempts with SQL-like patterns in parameters
- Unexpected database queries from web application user
Network Indicators:
- HTTP POST requests to /ownersignup.php containing SQL keywords (UNION, SELECT, INSERT, etc.)
- Unusual traffic patterns to the signup endpoint
SIEM Query:
source="web_server.log" AND (uri="/ownersignup.php" AND (message="sql" OR message="syntax" OR message="database"))