CVE-2024-35086
📋 TL;DR
J2EEFAST v2.7.0 contains a SQL injection vulnerability in the findPage function of BpmTaskFromMapper.xml. This allows attackers to execute arbitrary SQL commands on the database. All systems running the vulnerable version are affected.
💻 Affected Systems
- J2EEFAST
📦 What is this software?
J2eefast by J2eefast
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data theft, data manipulation, and potential remote code execution on the database server.
Likely Case
Unauthorized data access, data exfiltration, and potential privilege escalation within the application.
If Mitigated
Limited impact with proper input validation and database permissions, though SQL injection attempts would still be logged.
🎯 Exploit Status
SQL injection vulnerabilities are commonly weaponized. The specific exploit details are available in public repositories.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.j2eefast.com/
Restart Required: Yes
Instructions:
1. Check vendor website for security updates. 2. Apply any available patches. 3. Restart the application server. 4. Verify the fix.
🔧 Temporary Workarounds
Input Validation and Parameterized Queries
allImplement proper input validation and use parameterized queries/prepared statements in the findPage function.
Modify BpmTaskFromMapper.xml to use parameterized queries
Add input validation in the controller layer
Web Application Firewall (WAF)
allDeploy a WAF with SQL injection protection rules to block exploitation attempts.
Configure WAF with SQL injection detection rules
Enable blocking mode for SQL injection patterns
🧯 If You Can't Patch
- Implement network segmentation to isolate the vulnerable system
- Apply strict database permissions (principle of least privilege)
🔍 How to Verify
Check if Vulnerable:
Check if running J2EEFAST v2.7.0 and examine BpmTaskFromMapper.xml for vulnerable findPage function implementation.Check Version:
Check application version in web interface or configuration filesVerify Fix Applied:
Test the findPage function with SQL injection payloads to ensure they are properly sanitized or blocked.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in application logs
- Multiple failed login attempts with SQL syntax
- Database error messages containing SQL fragments
Network Indicators:
- HTTP requests containing SQL keywords (SELECT, UNION, etc.)
- Unusual database connection patterns
SIEM Query:
source="application.log" AND ("SQL" OR "syntax" OR "union" OR "select")