CVE-2024-35083
📋 TL;DR
J2EEFAST v2.7.0 contains a SQL injection vulnerability in the findPage function of SysLoginInfoMapper.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, privilege escalation, and potential data exfiltration from the database.
If Mitigated
Limited impact with proper input validation and database permissions, potentially only error messages or limited data exposure.
🎯 Exploit Status
SQL injection vulnerabilities are well-understood and frequently weaponized. The findPage function suggests authentication may be required.
🛠️ 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
allImplement strict input validation and parameterized queries for the findPage function.
Modify SysLoginInfoMapper.xml to use parameterized queries instead of string concatenation
WAF Rules
allDeploy web application firewall rules to block SQL injection patterns.
Configure WAF to detect and block SQL injection attempts
🧯 If You Can't Patch
- Implement network segmentation to isolate the vulnerable system
- Apply strict database permissions and use least privilege accounts
🔍 How to Verify
Check if Vulnerable:
Check if running J2EEFAST v2.7.0 and examine SysLoginInfoMapper.xml for vulnerable findPage function.Check Version:
Check application version in web interface or configuration files.Verify Fix Applied:
Test the findPage function with SQL injection payloads to ensure they are properly sanitized or blocked.📡 Detection & Monitoring
Log Indicators:
- Unusual database queries from application
- SQL syntax errors in application logs
- Multiple failed login attempts
Network Indicators:
- SQL keywords in HTTP POST parameters
- Unusual database connection patterns
SIEM Query:
source="application.log" AND ("SQL" OR "syntax" OR "injection")