CVE-2022-26279
📋 TL;DR
EyouCMS v1.5.5 lacks access control on the /data/sqldata component, allowing unauthenticated attackers to directly access sensitive database files. This affects all deployments using the vulnerable version, potentially exposing database credentials and content.
💻 Affected Systems
- EyouCMS
📦 What is this software?
Eyoucms by Eyoucms
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, credential harvesting, and potential remote code execution via database manipulation.
Likely Case
Unauthenticated attackers download database files containing sensitive information like user credentials, configuration data, and content.
If Mitigated
Proper access controls prevent unauthorized access, limiting exposure to authenticated administrators only.
🎯 Exploit Status
Exploitation requires only web browser access to the vulnerable URL. No special tools or skills needed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: v1.5.6 or later
Vendor Advisory: https://www.eyoucms.com/rizhi/
Restart Required: No
Instructions:
1. Backup current installation. 2. Download latest version from official site. 3. Replace affected files. 4. Verify /data/sqldata directory has proper access controls.
🔧 Temporary Workarounds
Restrict directory access
allAdd .htaccess or web server configuration to block access to /data/sqldata directory
# Apache .htaccess
Deny from all
# Nginx
location ^~ /data/sqldata { deny all; }
Move database files
linuxRelocate database backup files outside web root directory
mv /path/to/webroot/data/sqldata/* /secure/location/
🧯 If You Can't Patch
- Implement strict network access controls to limit who can reach the EyouCMS instance
- Monitor access logs for requests to /data/sqldata path and alert on any hits
🔍 How to Verify
Check if Vulnerable:
Attempt to access http://[target]/data/sqldata/ in browser. If database files are downloadable, system is vulnerable.Check Version:
Check EyouCMS admin panel or read version.txt file in installation directoryVerify Fix Applied:
Attempt same access after patching. Should receive 403 Forbidden or similar access denied error.📡 Detection & Monitoring
Log Indicators:
- HTTP 200 responses for /data/sqldata/* requests
- Unusual file downloads from database directory
Network Indicators:
- GET requests to /data/sqldata/ paths from unauthorized IPs
SIEM Query:
web_access_logs | where url contains "/data/sqldata" and response_code = 200