CVE-2023-49989
📋 TL;DR
Hotel Booking Management v1.0 contains a SQL injection vulnerability in the id parameter of update.php, allowing attackers to execute arbitrary SQL commands. This affects all users running the vulnerable version of this hotel management software. Successful exploitation could lead to data theft, modification, or complete system compromise.
💻 Affected Systems
- Hotel Booking Management
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including sensitive guest data, financial records, and administrative credentials; potential for remote code execution and full system takeover.
Likely Case
Unauthorized access to guest information, booking data, and potentially administrative credentials leading to data theft or manipulation.
If Mitigated
Limited impact with proper input validation and database permissions, potentially only allowing data viewing without modification.
🎯 Exploit Status
Multiple public proof-of-concept exploits exist on GitHub; exploitation requires minimal technical skill.
🛠️ 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
Input Validation and Parameterized Queries
allModify update.php to use prepared statements with parameterized queries instead of direct SQL concatenation.
Replace vulnerable SQL code with: $stmt = $conn->prepare('UPDATE table SET column = ? WHERE id = ?'); $stmt->bind_param('si', $value, $id); $stmt->execute();
Web Application Firewall (WAF)
linuxDeploy a WAF with SQL injection protection rules to block malicious requests.
Install and configure ModSecurity with OWASP Core Rule Set: apt-get install libapache2-mod-security2 && cp /usr/share/modsecurity-crs/crs-setup.conf.example /etc/modsecurity/crs-setup.conf
🧯 If You Can't Patch
- Isolate the vulnerable system from the internet and restrict access to authorized users only.
- Implement strict network segmentation and monitor all database access attempts.
🔍 How to Verify
Check if Vulnerable:
Test the update.php endpoint with SQL injection payloads like: update.php?id=1' OR '1'='1Check Version:
Check software version in admin panel or readme files; default is v1.0.Verify Fix Applied:
Attempt SQL injection attacks after implementing fixes; successful attacks should be blocked or return errors.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in application logs
- Multiple failed login attempts or SQL injection patterns in access logs
Network Indicators:
- HTTP requests to update.php with SQL keywords (UNION, SELECT, etc.) in parameters
- Unusual database query patterns from web server
SIEM Query:
source="web_logs" AND (uri="*update.php*" AND (param="*id=*'*" OR param="*id=*%27*" OR param="*id=* UNION *"))