CVE-2024-7286
📋 TL;DR
This critical SQL injection vulnerability in SourceCodester Establishment Billing Management System 1.0 allows attackers to execute arbitrary SQL commands via the username parameter in the login function. Attackers can potentially bypass authentication, access sensitive data, or take control of the database. All deployments of version 1.0 are affected.
💻 Affected Systems
- SourceCodester Establishment Billing Management System
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, authentication bypass, privilege escalation, and potential remote code execution on the underlying server.
Likely Case
Unauthorized access to sensitive billing data, customer information, and administrative credentials stored in the database.
If Mitigated
Limited impact with proper input validation and database permissions, potentially only error messages or failed login attempts.
🎯 Exploit Status
Exploit code is publicly available in GitHub gist. Simple SQL injection via username parameter.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None known
Restart Required: No
Instructions:
No official patch available. Consider migrating to alternative software or implementing workarounds.
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allDeploy WAF rules to block SQL injection patterns targeting /admin/ajax.php
Input Validation Filter
allAdd server-side input validation to reject SQL special characters in username parameter
🧯 If You Can't Patch
- Block external access to /admin/ajax.php endpoint at network firewall
- Implement strict database user permissions with least privilege principle
🔍 How to Verify
Check if Vulnerable:
Test the /admin/ajax.php?action=login endpoint with SQL injection payloads in username parameter (e.g., admin' OR '1'='1)Check Version:
Check software version in admin panel or configuration filesVerify Fix Applied:
Verify that SQL injection payloads no longer execute and return proper error handling📡 Detection & Monitoring
Log Indicators:
- Unusual SQL errors in application logs
- Multiple failed login attempts with SQL patterns
- Access to /admin/ajax.php from unexpected IPs
Network Indicators:
- HTTP POST/GET requests to /admin/ajax.php containing SQL keywords
- Unusual database connection patterns
SIEM Query:
source="web_logs" AND uri="/admin/ajax.php" AND (username CONTAINS "' OR" OR username CONTAINS "UNION" OR username CONTAINS "SELECT")