CVE-2024-57770
📋 TL;DR
This SQL injection vulnerability in JFinalOA allows attackers to execute arbitrary SQL commands through the contract application component. It affects all organizations using JFinalOA versions before 2025.01.01, potentially leading to data theft, modification, or deletion.
💻 Affected Systems
- JFinalOA
📦 What is this software?
Jfinaloa by Jfinaloa Project
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data exfiltration, privilege escalation, and potential remote code execution via database functions.
Likely Case
Unauthorized access to sensitive business data, manipulation of contract records, and potential lateral movement within the database.
If Mitigated
Limited impact with proper input validation and database permissions, potentially only error messages or partial data exposure.
🎯 Exploit Status
Exploitation requires access to the application interface but no authentication to the vulnerable endpoint.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2025.01.01
Vendor Advisory: https://gitee.com/r1bbit/JFinalOA/issues/IBHUP1
Restart Required: No
Instructions:
1. Download JFinalOA version 2025.01.01 or later. 2. Replace the affected files with patched versions. 3. Verify the fix by testing the contract application functionality.
🔧 Temporary Workarounds
Input Validation Filter
allImplement server-side input validation for the 'id' parameter in contract applications
Implement parameterized queries or prepared statements for all database operations involving user input
🧯 If You Can't Patch
- Implement a web application firewall (WAF) with SQL injection rules
- Restrict network access to the JFinalOA application to trusted users only
🔍 How to Verify
Check if Vulnerable:
Test the /apply/save endpoint with SQL injection payloads in the 'oaContractApply.id' parameterCheck Version:
Check application version in admin panel or configuration filesVerify Fix Applied:
Attempt SQL injection on patched version and verify proper error handling without database interaction📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts followed by contract application requests
- Error messages containing SQL syntax in application logs
Network Indicators:
- Unusual patterns of requests to /apply/save endpoint
- SQL keywords in URL parameters
SIEM Query:
source="web_logs" AND (url="/apply/save" AND (param="oaContractApply.id" AND value CONTAINS "' OR "))