CVE-2024-4594
📋 TL;DR
This CSRF vulnerability in DedeCMS 5.7 allows attackers to trick authenticated administrators into performing unintended actions by visiting malicious web pages. It affects all DedeCMS 5.7 installations with the vulnerable /src/dede/sys_safe.php file. Attackers can exploit this remotely without direct access to the target system.
💻 Affected Systems
- DedeCMS
📦 What is this software?
Dedecms by Dedecms
⚠️ Risk & Real-World Impact
Worst Case
Attackers could compromise administrator accounts, modify system settings, inject malicious code, or take full control of the CMS installation.
Likely Case
Attackers trick administrators into changing system configurations, creating backdoor accounts, or modifying content without their knowledge.
If Mitigated
With proper CSRF protections and user awareness, impact is limited to failed attack attempts with no successful exploitation.
🎯 Exploit Status
Exploit details are publicly available on GitHub. Attack requires social engineering to trick authenticated users.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: No
Instructions:
No official patch available. Vendor did not respond to disclosure. Consider upgrading to a different CMS or implementing workarounds.
🔧 Temporary Workarounds
Implement CSRF Tokens
allAdd CSRF protection tokens to all forms and validate them server-side
Manual code modification required - add CSRF tokens to forms in /src/dede/sys_safe.php and validate them
Restrict Admin Access
linuxLimit admin panel access to specific IP addresses or VPN
Add to .htaccess: Order Deny,Allow\nDeny from all\nAllow from 192.168.1.0/24
Or configure web server firewall rules
🧯 If You Can't Patch
- Implement strict SameSite cookie policies and require re-authentication for sensitive actions
- Use browser extensions that block CSRF attacks and educate administrators about phishing risks
🔍 How to Verify
Check if Vulnerable:
Check if /src/dede/sys_safe.php exists and examine forms for CSRF token validationCheck Version:
Check DedeCMS version in admin panel or look for version files in installation directoryVerify Fix Applied:
Test forms with and without CSRF tokens to ensure they're properly validated📡 Detection & Monitoring
Log Indicators:
- Multiple failed admin actions from same session
- Unusual configuration changes without corresponding admin login
Network Indicators:
- External requests to admin endpoints without referrer headers
- Suspicious redirects to admin functions
SIEM Query:
source="web_logs" AND (uri="/src/dede/sys_safe.php" OR uri CONTAINS "admin") AND (referrer="" OR referrer CONTAINS "malicious-domain")