CVE-2024-33147
📋 TL;DR
J2EEFAST v2.7.0 contains a SQL injection vulnerability in the authRoleList function's sql_filter parameter. This allows attackers to execute arbitrary SQL commands on the database. Organizations using J2EEFAST v2.7.0 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, authentication bypass, and potential remote code execution via database functions.
Likely Case
Unauthorized data access, privilege escalation, and data exfiltration from the application database.
If Mitigated
Limited impact with proper input validation, parameterized queries, and database permission restrictions in place.
🎯 Exploit Status
SQL injection via sql_filter parameter requires some authentication but is straightforward to exploit.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: No official vendor advisory found
Restart Required: Yes
Instructions:
1. Check for updated version from J2EEFAST developers
2. Apply parameterized queries to authRoleList function
3. Implement input validation for sql_filter parameter
4. Restart application after changes
🔧 Temporary Workarounds
Input Validation Filter
allAdd server-side validation to reject malicious sql_filter input
Implement regex validation: ^[a-zA-Z0-9_\s]+$ for sql_filter parameter
WAF Rule
allBlock SQL injection patterns in sql_filter parameter
Add WAF rule: Detect SQL keywords in sql_filter parameter
🧯 If You Can't Patch
- Implement network segmentation to isolate J2EEFAST from critical databases
- Enable database audit logging and monitor for unusual SQL queries
🔍 How to Verify
Check if Vulnerable:
Test sql_filter parameter with SQL injection payloads like ' OR '1'='1Check Version:
Check application version in J2EEFAST admin panel or configuration filesVerify Fix Applied:
Verify parameterized queries are used and input validation rejects SQL injection attempts📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts with SQL patterns
Network Indicators:
- HTTP requests containing SQL keywords in sql_filter parameter
SIEM Query:
source="web_logs" AND (sql_filter CONTAINS "UNION" OR sql_filter CONTAINS "SELECT" OR sql_filter CONTAINS "OR 1=1")