CVE-2024-35091
📋 TL;DR
J2EEFAST v2.7.0 contains a SQL injection vulnerability in the findPage function within SysTenantMapper.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 leading to data theft, data manipulation, or 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 restricting damage to non-critical data.
🎯 Exploit Status
SQL injection is well-understood with many automated tools available. Exploitation requires access to the vulnerable endpoint.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.j2eefast.com/
Restart Required: No
Instructions:
1. Check vendor website for security updates. 2. Apply any available patches. 3. Test functionality after patching.
🔧 Temporary Workarounds
Input Validation
allImplement strict input validation and parameterized queries for the findPage function.
WAF Rules
allDeploy web application firewall rules to block SQL injection patterns.
🧯 If You Can't Patch
- Restrict network access to the application to trusted IPs only.
- Implement database user permissions with least privilege principles.
🔍 How to Verify
Check if Vulnerable:
Check application version in configuration files or admin interface. If version is 2.7.0, assume vulnerable.Check Version:
Check application.properties or similar configuration files for version information.Verify Fix Applied:
Test the findPage function with SQL injection payloads after applying fixes.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts via findPage endpoint
Network Indicators:
- SQL keywords in HTTP POST parameters to findPage endpoint
SIEM Query:
SELECT * FROM web_logs WHERE url LIKE '%findPage%' AND (params LIKE '%SELECT%' OR params LIKE '%UNION%' OR params LIKE '%OR%')