CVE-2024-0479
📋 TL;DR
This is a critical SQL injection vulnerability in Taokeyun's login function that allows attackers to execute arbitrary SQL commands by manipulating the username parameter in HTTP POST requests. Attackers can exploit this remotely to potentially access, modify, or delete database contents. All Taokeyun installations up to version 1.0.5 are affected.
💻 Affected Systems
- Taokeyun
📦 What is this software?
Taokeyun by Jifeer
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data destruction, authentication bypass, or remote code execution if database permissions allow.
Likely Case
Unauthorized database access allowing extraction of sensitive user data, credentials, or application data.
If Mitigated
Limited impact with proper input validation, parameterized queries, and database permission restrictions in place.
🎯 Exploit Status
Exploit has been publicly disclosed and requires no authentication. Simple SQL injection via username parameter.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None found
Restart Required: No
Instructions:
1. Check for official patch from Taokeyun developers. 2. If patch available, apply following vendor instructions. 3. Verify fix by testing login functionality.
🔧 Temporary Workarounds
Input Validation Filter
allImplement strict input validation for username parameter to reject SQL special characters
Add input sanitization in application/index/controller/m/User.php before SQL execution
WAF Rule
allDeploy web application firewall rules to block SQL injection patterns in login requests
Configure WAF to detect and block SQL injection patterns in POST parameters
🧯 If You Can't Patch
- Implement parameterized queries or prepared statements in the login function
- Restrict database user permissions to minimum required for application functionality
🔍 How to Verify
Check if Vulnerable:
Test login endpoint with SQL injection payloads in username parameter (e.g., admin' OR '1'='1)Check Version:
Check Taokeyun version in application configuration or package filesVerify Fix Applied:
Attempt SQL injection payloads in login requests and verify they are rejected or properly handled📡 Detection & Monitoring
Log Indicators:
- Unusual SQL errors in application logs
- Multiple failed login attempts with SQL special characters
- Login attempts with unusually long usernames
Network Indicators:
- HTTP POST requests to login endpoint containing SQL keywords (UNION, SELECT, etc.)
- Abnormal database query patterns from application server
SIEM Query:
source="web_logs" AND uri="/login" AND (payload CONTAINS "' OR" OR payload CONTAINS "UNION" OR payload CONTAINS "SELECT")