CVE-2024-8340
📋 TL;DR
This critical SQL injection vulnerability in SourceCodester Electric Billing Management System 1.0 allows attackers to manipulate database queries via the username parameter during login. Attackers can potentially access, modify, or delete sensitive billing data. Organizations using this specific version of the software are affected.
💻 Affected Systems
- SourceCodester Electric Billing Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data destruction, authentication bypass, and potential remote code execution.
Likely Case
Unauthorized access to sensitive billing data, customer information theft, and potential privilege escalation.
If Mitigated
Limited impact with proper input validation, WAF protection, and database permission restrictions.
🎯 Exploit Status
Public exploit available on GitHub, SQL injection via login endpoint requires no authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.sourcecodester.com/
Restart Required: No
Instructions:
No official patch available. Consider upgrading to a newer version if available, or implement workarounds.
🔧 Temporary Workarounds
Input Validation and Parameterized Queries
allImplement proper input validation and use parameterized queries in the login functionality.
Web Application Firewall Rules
allDeploy WAF rules to block SQL injection patterns targeting the /Actions.php endpoint.
🧯 If You Can't Patch
- Isolate the system from internet access and restrict to internal network only
- Implement strict network segmentation and monitor all database access attempts
🔍 How to Verify
Check if Vulnerable:
Test the login endpoint with SQL injection payloads in the username parameter: /Actions.php?a=login with malicious username valuesCheck Version:
Check application version in admin panel or configuration filesVerify Fix Applied:
Verify that SQL injection attempts no longer succeed and proper input validation is implemented📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in application logs
- Multiple failed login attempts with SQL patterns
Network Indicators:
- HTTP POST requests to /Actions.php with SQL keywords in parameters
SIEM Query:
source="web_logs" AND uri="/Actions.php" AND (username CONTAINS "' OR" OR username CONTAINS "UNION" OR username CONTAINS "SELECT")🔗 References
- https://github.com/enjoyworld/webray.com.cn/blob/main/cves/Electric%20Billing%20Management%20System/Electric%20Billing%20Managemen%20SQL-inject%20System%20Action.php%20SQL-inject.md
- https://vuldb.com/?ctiid.276219
- https://vuldb.com/?id.276219
- https://vuldb.com/?submit.399548
- https://www.sourcecodester.com/
