CVE-2022-23882
📋 TL;DR
CVE-2022-23882 is a SQL injection vulnerability in TuziCMS 2.0.6 that allows attackers to execute arbitrary SQL commands through the BannerController component. This affects all TuziCMS 2.0.6 installations, potentially compromising the entire database. Attackers could steal sensitive data, modify content, or gain administrative access.
💻 Affected Systems
- TuziCMS
📦 What is this software?
Tuzicms by Tuzicms
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, website defacement, privilege escalation to admin, and potential server takeover via SQL injection to RCE chaining.
Likely Case
Unauthenticated attackers extracting sensitive data like user credentials, personal information, and administrative access to modify website content.
If Mitigated
Limited impact with proper input validation, parameterized queries, and WAF protection blocking malicious SQL payloads.
🎯 Exploit Status
SQL injection vulnerabilities are commonly weaponized. The public GitHub issue demonstrates the vulnerability with technical details.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.0.7 or later
Vendor Advisory: https://github.com/yeyinshi/tuzicms/issues/10
Restart Required: No
Instructions:
1. Backup your current TuziCMS installation and database. 2. Download TuziCMS 2.0.7 or later from the official repository. 3. Replace vulnerable files with patched versions. 4. Verify the BannerController.class.php file has proper input validation and parameterized queries.
🔧 Temporary Workarounds
WAF Rule Implementation
allDeploy web application firewall rules to block SQL injection patterns targeting the BannerController endpoint.
# Example ModSecurity rule: SecRule ARGS "@detectSQLi" "id:1001,phase:2,deny,status:403,msg:'SQL Injection Attempt'"
# Cloudflare WAF: Enable SQLi protection in firewall rules
Input Validation Filter
allImplement server-side input validation to sanitize all user inputs before processing in BannerController.
# PHP example: $input = filter_var($_POST['param'], FILTER_SANITIZE_STRING);
# Add parameter binding: $stmt = $pdo->prepare('SELECT * FROM banners WHERE id = ?'); $stmt->execute([$input]);
🧯 If You Can't Patch
- Isolate the TuziCMS instance behind a reverse proxy with strict WAF rules blocking SQL injection patterns.
- Disable or restrict access to the BannerController functionality if not essential for operations.
🔍 How to Verify
Check if Vulnerable:
Check if TuziCMS version is 2.0.6 by examining the version file or admin panel. Review \App\Manage\Controller\BannerController.class.php for lack of parameterized queries.Check Version:
grep -r 'version' /path/to/tuzicms/ || cat /path/to/tuzicms/version.txtVerify Fix Applied:
After patching, test the BannerController endpoints with SQL injection payloads (e.g., ' OR '1'='1) and verify they are rejected. Check that version shows 2.0.7 or later.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in application logs
- Multiple failed login attempts or SQL syntax errors from BannerController endpoints
- Unexpected database queries containing UNION, SELECT, or DROP statements
Network Indicators:
- HTTP requests to /App/Manage/Controller/BannerController with SQL payloads in parameters
- Abnormal traffic patterns to admin interfaces
SIEM Query:
source="web_logs" AND (url="*BannerController*" AND (message="*SQL*" OR message="*syntax*" OR param="*UNION*" OR param="*SELECT*"))