CVE-2023-5373
📋 TL;DR
This critical SQL injection vulnerability in SourceCodester Online Computer and Laptop Store 1.0 allows attackers to manipulate database queries through the email parameter in the register function. Attackers can execute arbitrary SQL commands remotely, potentially compromising the entire database. All users running version 1.0 of this software are affected.
💻 Affected Systems
- SourceCodester Online Computer and Laptop Store
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data theft, data manipulation, authentication bypass, and potential remote code execution on the database server.
Likely Case
Data exfiltration of user information, administrative credentials theft, and database manipulation leading to system compromise.
If Mitigated
Limited impact with proper input validation and parameterized queries preventing SQL injection.
🎯 Exploit Status
Exploit details are publicly available in GitHub repositories, making exploitation straightforward for attackers.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: Not available
Restart Required: No
Instructions:
No official patch available. Implement parameterized queries and input validation in Master.php register function.
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement strict input validation and sanitization for the email parameter in the register function.
Modify Master.php to use prepared statements with parameterized queries for all database operations
Web Application Firewall Rules
allDeploy WAF rules to block SQL injection patterns targeting the register endpoint.
Configure WAF to detect and block SQL injection patterns in POST parameters
🧯 If You Can't Patch
- Implement network segmentation to isolate the vulnerable system from critical assets
- Deploy intrusion detection systems to monitor for SQL injection attempts
🔍 How to Verify
Check if Vulnerable:
Test the register endpoint with SQL injection payloads in the email parameter and observe database errors or unexpected behavior.Check Version:
Check the software version in the application's configuration or about pageVerify Fix Applied:
Attempt SQL injection attacks against the fixed endpoint and verify they are properly rejected without database errors.📡 Detection & Monitoring
Log Indicators:
- Unusual database queries from web application logs
- SQL syntax errors in application logs
- Multiple failed registration attempts with suspicious email patterns
Network Indicators:
- HTTP POST requests to register endpoint containing SQL keywords in email parameter
- Unusual database connection patterns from web server
SIEM Query:
source="web_logs" AND (url="*/register*" OR url="*/Master.php*") AND (email="*' OR *" OR email="*;--*" OR email="*UNION*" OR email="*SELECT*" OR email="*INSERT*")🔗 References
- https://github.com/Szlllc/Cve/blob/main/Computer%20and%20Laptop%20Store%20System%20Master.php%20has%20Sqlinjection.pdf
- https://vuldb.com/?ctiid.241254
- https://vuldb.com/?id.241254
- https://github.com/Szlllc/Cve/blob/main/Computer%20and%20Laptop%20Store%20System%20Master.php%20has%20Sqlinjection.pdf
- https://vuldb.com/?ctiid.241254
- https://vuldb.com/?id.241254
