CVE-2023-24641
📋 TL;DR
Judging Management System v1.0 contains a SQL injection vulnerability in the sid parameter at /php-jms/updateview.php that allows attackers to execute arbitrary SQL commands. This affects all deployments of Judging Management System v1.0. The vulnerability can lead to complete database compromise.
💻 Affected Systems
- Judging Management System
📦 What is this software?
Judging Management System by Judging Management System Project
⚠️ Risk & Real-World Impact
Worst Case
Full database compromise including data theft, data manipulation, authentication bypass, and potential remote code execution via database functions.
Likely Case
Database information disclosure, data manipulation, and potential privilege escalation within the application.
If Mitigated
Limited impact with proper input validation and parameterized queries in place.
🎯 Exploit Status
SQL injection via GET parameter requires minimal technical skill to exploit.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: Unknown
Restart Required: No
Instructions:
No official patch available. Implement parameterized queries and input validation in updateview.php.
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allDeploy WAF rules to block SQL injection patterns targeting the sid parameter.
Input Validation
allAdd server-side validation to ensure sid parameter contains only expected values.
🧯 If You Can't Patch
- Isolate the system from internet access and restrict to internal network only.
- Implement strict network segmentation and monitor all access to the vulnerable endpoint.
🔍 How to Verify
Check if Vulnerable:
Test the /php-jms/updateview.php endpoint with SQL injection payloads in the sid parameter.
Check Version:
Check application version in source code or documentation.
Verify Fix Applied:
Verify that parameterized queries are implemented and SQL injection attempts are properly rejected.
📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in application logs
- Multiple failed requests to updateview.php with SQL syntax
Network Indicators:
- HTTP requests to /php-jms/updateview.php with SQL keywords in parameters
SIEM Query:
source="web_logs" AND uri="/php-jms/updateview.php" AND (param="sid" AND value CONTAINS "UNION" OR value CONTAINS "SELECT" OR value CONTAINS "OR 1=1")